BUCHI NIRMaste User Manual

Operation Manual
®
NIRMaster
11593389
en
Table of contents
1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 User qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Improper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Safety warnings and safety signs used in this manual . . . . . . . . . . . . . . . . . . 7
2.5 Product safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5.1 General hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5.2 Warning labels on housing and assemblies . . . . . . . . . . . . . . . . . . . . . . 10
2.5.3 Personal protective equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.5.4 Built-in safety elements and measures . . . . . . . . . . . . . . . . . . . . . . . . 11
2.6 General safety rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Materials used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Description of function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1 Functional principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Measurement modes and setups . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.1 Diffuse reflection mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.2 Transflectance mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.3 NIRWare software suite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5 Putting into operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.1 System ingress protection class after installation . . . . . . . . . . . . . . . . . . . 20
5.2 Basic installation site requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.3 Electrical connection requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.1 Initializing the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.1.1 System warm-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2 System Suitability Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2.1 Temperature tests in detail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.2.2 NIR linearity test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.2.3 Signal-to-noise ratio determination . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.2.4 Wavenumber stability test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.3 Reference measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.3.1 Performing a reference measurement . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3.2 Frequency of reference measurement . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.4 Operator software – the user interface for spectroscopy. . . . . . . . . . . . . . . . 30
6.4.1 Starting the NIRMaster Operator software. . . . . . . . . . . . . . . . . . . . . . . 31
6.4.2 Button overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.4.3 Program login . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.5 How to perform a measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.5.1 Step 1 — Select an application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.5.2 Step 2 — Select / create a batch for the sample . . . . . . . . . . . . . . . . . . . . 35
6.5.3 Step 3 — Perform a measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.5.4 Step 4 — Result handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.5.5 No / invalid result. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3 NIRFlex N-500 Operation Manual, Version E
Table of contents
6.5.6 Start new / rerun / close measurement . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.6 Shutting down the NIRMaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.6.1 Standard shutdown instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.6.2 Forced power-off instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7 Maintenance and repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.1 Maintenance schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2.1 Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.2.2 External reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.2.3 Add-ons and custom sample vessels . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.3 How to perform a database backup. . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.3.1 Creating a database backup-file. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
7.3.2 Advanced selective archive actions . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.3.2 Backup on USB storage devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.3.3 Backup on network storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.4 How to lift off the top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
7.5 How to exchange inner / outer filters . . . . . . . . . . . . . . . . . . . . . . . . . . 50
7.6 NIRMaster basic instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
7.6.1 Resetting the system fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
7.6.2 Lamp exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.6.3 Resetting the lamp lifetime counter . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.7 Laser unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
7.8 Special settings and enhanced system diagnose . . . . . . . . . . . . . . . . . . . 56
7.8.1 Setting a new password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.1 Malfunctions and their remedy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.2 Enhanced system diagnose (NADIA) . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.3 Reference measurement fails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.4 Connection to a local network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
9 Storage, transport and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
9.1 Storage and transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
9.2 Transportation lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
9.2.1 How to lock/unlock the interferometer. . . . . . . . . . . . . . . . . . . . . . . . . 62
9.3 Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
10 Spare parts and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
10.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
10.2 Spare parts, optional accessories and consumables . . . . . . . . . . . . . . . . . 65
11 Declarations and requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
11.1 FCC requirements (for USA and Canada) . . . . . . . . . . . . . . . . . . . . . . . 68
11.2 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4
NIRFlex N-500 Operation Manual, Version E
1 About this manual
This manual describes the NIRMaster including its standard software and provides all information required for its safe operation and to maintain it in good working order.
It is addressed to laboratory personnel and operators in particular.
Read this manual carefully before installing and running your system and note the safety precautions in section 2 in particular. Store the manual in the immediate vicinity of the instrument, so that it can be consulted at any time. No technical modifications may be made to the instrument without the prior written agreement of Buchi. Unauthorized modifications may affect the system safety or result in accidents. Technical data are subject to change without notice.
NOTE
The symbols pertaining to safety are explained in section 2.
1 About this manual
This manual is copyright. Information from it may not be reproduced, distributed or used for competi­tive purposes, nor made available to third parties. The manufacture of any component with the aid of this manual without prior written agreement is also prohibited.
The English manual is the original language version and serves as basis for all translations into other languages. If you need another language version of this manual, you can download available versions at www.buchi.com.
5 NIRMaster Operation Manual, Version A
2 Safety
This section introduces the safety concept of the instrument and contains general rules of behavior and warnings from direct and indirect hazards concerning the use of the product. For the users safety, all safety instructions and safety messages in the individual sections shall be strictly observed and followed. Therefore, the manual must always be available to all persons performing any tasks described herein.
2.1 User qualification
The instrument may only be used by laboratory personnel and other persons who on account of training and professional experience know the potential dangers that can develop when operating the instrument. Untrained personnel, or persons who are currently being trained, require careful supervision by a qualified person. This Operation Manual serves as a basis for training.
2 Safety
2.2 Proper use
The NIRMaster is a compact and robust system, designed for harsh environment (e.g. production chains). It serves to determine the matter and concentration of substances in samples above its measuring tolerance limit (no trace analysis). The NIRMaster system can be applied in the laboratory, in production environments (at-line) and in production processes for the following tasks:
Qualitative analysis
Differentiation of chemically different substances (e.g. raw material testing of incoming goods);• Differentiation of chemically similar substances or substance grades.•
Quantitative analysis
Determination of quantifiable product properties such as concentrations or physical parameters • (viscosity, particle size).
2.3 Improper use
Any other use than the one stated above and any application that does not comply with the technical data is considered to be improper use. Improper use can cause hazardous situations for the operator and / or for the instrument and might cause consequential property damage.
The operator bears the sole risk for any damages or hazards caused by improper use!
In particular, the following uses shall not be permitted
User repair and maintenance work other than described in this manual• Reuse of sample material for production that has been in direct contact with non-food safe mate-•
rials and surfaces
6 NIRMaster Operation Manual, Version A
2.4 Safety warnings and safety signs used in this manual
!
DANGER, WARNING, CAUTION and NOTICE are standardized signal words for identifying levels of hazards and risks related to personal injury and property damage. All signal words, which are related to personal injury are accompanied by the general safety sign.
For your safety it is important to read and fully understand the table below with the different signal words and their definitions!
Sign Signal word Definition Risk level
DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
2 Safety
★★★★
WARNING
CAUTION
NOTICE
no
Supplementary safety information symbols may be placed in a rectangular panel on the left to the signal word and the supplementary text (see example below).
Space for
supplementary
safety
information
symbols.
Table of supplementary safety information symbols The reference list below incorporates all safety information symbols used in this manual and their
meaning.
Symbol Meaning
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, may result in minor or moderate injury.
Indicates possible property damage, but no practices related to personal injury.
SIGNAL WORD
Supplementary text, describing the kind and level of hazard / risk seriousness.
List of measures to avoid the herein described, hazard or hazardous situation.• ...• ...•
★★★☆
★★☆☆
★☆☆☆
(property damage only)
General warning
Electrical hazard
LASER emission
7 NIRMaster Operation Manual, Version A
Symbol Meaning
Explosive gases, explosive environment
Hot item, hot surface
Device damage
Inhalation of substances
2 Safety
Fragile components
Magnetic field
Unplug device
Wear protective goggles
Wear protective gloves
Carry load with two persons
Do not dispose as unsorted household waste!
8 NIRMaster Operation Manual, Version A
Additional user information
!
Paragraphs starting with NOTE transport helpful information for working with the device / software or its supplementaries. NOTEs are not related to any kind of hazard or damage (see following example).
NOTE
Useful tips for the easy operation of the instrument / software.
2.5 Product safety
The NIRMaster has been designed and built in accordance with state-of-the-art technology, at the time of development. Safety warnings in this manual (as described in section 2.4) serve to make the user alert to and avoid hazardous situations emanating from residual dangers by giving appropriate counter measures. However, risks to users, property and the environment can arise when the instrument is damaged, used carelessly or improperly.
2.5.1 General hazards
2 Safety
The following safety messages show hazards of general kind which may occur when handling the instrument. The user shall observe all listed counter measures in order to achieve and maintain the lowest possible level of hazard.
Additional warning messages can be found whenever actions and situations described in this manual are related to situational hazards.
DANGER
Death or serious injuries by use in explosive environments.
Do not store or operate the instrument in explosive environments• Remove all sources of flammable vapors• Do not store chemicals in the vicinity of the device• Only operate and maintain the device in environment with sufficient ventilation•
Risk of instrument damage by mechanical shocks.
NOTICE
Do not move the instrument when it is active• Do not drop the instrument or its components• Keep external vibrations away from the instrument• Do not transport the instrument without transportation lock engaged•
9 NIRMaster Operation Manual, Version A
2.5.2 Warning labels on housing and assemblies
The following warning sticker(s) can be found on the housing or assemblies of the NIRMaster:
Symbol Meaning Location
Hot item, hot surface Inside housing, next to lamp modules
2 Safety
LASER emission
Electrical hazard HV supply LASER
Device labels Meaning Location
FCC declaration Sticker at the rear side
See text. Sticker at the rear side
Sticker at the rear side Sticker inside housing, at the LASER module
2.5.3 Personal protective equipment
Safety precautions and personal protective equipment might be necessary to comply with industrial safety standards in some working environments. However, for standard operation with the instrument, no additional protective equipment is necessary.
10 NIRMaster Operation Manual, Version A
LASER emission class Sticker at the rear side
LASER emission Sticker inside housing, at the LASER module
2.5.4 Built-in safety elements and measures
The instrument is equipped with the following safety elements:
Two outer filter elements with covering frame• Two inner filter elements• Multiple overtemperature sensors to monitor thermal spots inside the instrument• Protective cable feedthrough at the housing rear side• Transportation lock of interferrometer•
2.6 General safety rules
Responsibility of the operator The head of the laboratory is responsible for training his/her personnel.
The operator shall inform the manufacturer without delay of any safety-related incidents which might occur during operation of the instrument or its accessories. Legal regulations, such as local, state and federal laws applying to the instrument or its accessories must be strictly followed.
2 Safety
Duty of maintenance and care The operator is responsible for the proper condition of instrument. This includes maintenance, service
and repair jobs that are performed on schedule as described in this manual. Any work, not explicitly described in this manual must be performed by authorized and trained personnel (e.g. service techni­cians) only. See section 7.1, maintenance schedule.
Spare parts to be used Use only genuine consumables and spare parts for maintenance to assure good system performance,
reliability and safety. Any modifications of spare parts or assemblies are only allowed with the prior written permission of the manufacturer.
Modifications Modifications to the instrument are only permitted after prior consultation and with the written approval
of the manufacturer. Modifications and upgrades shall only be carried out by an authorized Buchi tech­nical engineer. The manufacturer will decline any claim resulting from unauthorized modifications.
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3 Technical data
This section introduces the reader to the instrument specifications. It contains the technical data and materials used.
Information on type plate:
a
b
c
d
3 Technical data
e
Instrument type code
a
Serial Number
b
Supply voltage range / type
c
Frequency of supply voltage
d
Nominal power rating
e
Year of manufacture
f
Technical data NIRMaster — IP class 54 versions only
Electrical connection data
Voltage 100 – 240 VAC ±10% Frequency 50/60 Hz Max. power consumption 150 W IP class 54 Installation category II Internal fuse 4 A / 240 V
Example: NIRM54P = NIRMaster + 54 (IP class) + P (Pro version, steel)
(2× resettable automatic fuses, all poles)
f
Environmental conditions (indoor use only)
Pollution degree
Temperature
Altitude (above sea level)
Humidity (curve parameter)
12 NIRMaster Operation Manual, Version A
2 5 – 35 °C (25 ±5 °C recommended)
up to 2000 m
Maximum relative humidity < 80% up to < 31 °C, then decreasing linearly to 67% relative humidity at 35 °C
3 Technical data
Technical data NIRMaster — IP class 54 versions only (cont.)
Dimensions and weight
Height 360 mm Width 420 mm Depth 540 mm Weight 43 kg Weight (Pro – version) 49 kg
Interferometer data
Type of interferometer Polarization interferometer Spectral range 800 - 2500 nm (default 1000 - 2500 nm)
-1
12‘500 - 4‘000 cm
-1
Resolution 8 cm
(with boxcar apodisation)
Type of interferometer Polarisation interferometer with TeO
-1
Wavenumber accuracy ± 0.2 cm
(measured with HF gascell at an ambient temper-
(default 10‘000 - 4‘000 cm-1)
wedges
2
ature of 25 °C ± 5 °C)
SNR (Signal to Noise Ratio) 10000 (peak-to-peak noise of a linear corrected baseline
-1
between 5600−6000 cm
, measured with NIRFlex Liquids, 2
x 64 scans, Blackman apodisation) Number of scans/sec. 2−4 Measurement mode Diffuse reflection and transflectance Analog digital converter 24 bit Type of lamp/lifetime lamp (MTBF) Tungsten halogen lamp / 12000 h (2 x 6000 h) Type of laser 12 VDC HeNe, wavelength at 632.992 nm Detector Extended range InGaAs (temperature controlled)
Supported peripherals
Easy-Spin drive Magnetic coupling for sample rotator Monitor VGA / DVI type, recommended resolution 1280 x 1024 USB 2.0 sockets 2 x internal (via cable feedthrough), 1 x external (with cap) Input devices (i.e. Keyboard / Mouse) USB devices, compatible to plug type A LAN 1 x GbE internal (via cable feedthrough) Add-on connector LEMO socket, external (with cap)
Embedded PC data
CPU Intel® Core™2 Duo RAM 2 GB Hard drive 16 GB SSD (Solid State Drive) Operating system Windows XP embedded standard 2009
13 NIRMaster Operation Manual, Version A
3.1 Materials used
Materials used
Component Material designation
Spectrometer base Aluminum
Wedges TeO
Polarizers Glass
Upper housing part (NIRMaster) PMMA (food grade)
Upper housing part (NIRMaster Pro) Stainless steel, food grade (1.4301), PETP inlay
Lower housing part Stainless steel, food grade (1.4301)
Spinner PETP, stainless steel 1.4305 / 1.4301
XL add-on Stainless steel 1.4305, glass
External reference Aluminum, glass inlay, PTFE inlay
Transflectance adapter Stainless steel 1.4435
Detector InGaAs
Magnets NdFeB
3 Technical data
2
3.2 Trademarks
The following product names and any registered and unregistered trademarks mentioned in this manual are used for identification purposes only and remain the exclusive property of their respective owners:
NIRMaster• NIRCal• Kimwipes• Spectralon• Windows•
®
Intel• Meliseptol•
is a trademark of BÜCHI Labortechnik AG
®
is a registered trademark of BÜCHI Labortechnik AG
®
is a registered trademark of Kimberly Clark
®
is a registered trademark of Labsphere, Inc.
®
XP embedded standard 2009 is a registered trademark of the Microsoft Corporation
Core™2 Duo is a registered trademark of the Intel Corporation
®
is a registered trademark of the B.Braun Melsungen AG
14 NIRMaster Operation Manual, Version A
4 Description of function
This section explains the basic principle of the instrument, shows how it is structured and gives a functional description of the assemblies.
4.1 Functional principle
The NIRMaster is an optical instrument to determine the matter and concentration of substances in samples. In detail, the NIRMaster is a Fourier Transformation Near Infrared spectrometer (FT-NIR). It generates an invisible near infrared interferogram beam which interacts with the molecules of a sample, generating a characteristic feedback. The feedback is picked up by a detector and math­ematically processed via Fourier transformation into a spectrum. This spectrum is used to extract the requested material information. Inside the spectrometer, a laser beam is used as a high-precision wavelength reference to allow best possible reproducibility and accuracy of detection.
4 Description of function
Advantages of FT-NIR polarization inteferometer
Simultaneous measurement of all wavenumbers giving an improved signal-to-noise ratio• Higher intensity giving an improved signal-to-noise ratio and short measuring times• Laser as wavenumber reference giving high wavenumber stability and good data • transferability Single-beam interferometer without typical double-beam divergence for mechanically and tempera-• ture stable beam alignment More robust design than standard Michelson interferometer•
How the interferogram is generated An interferogram is an interference pattern of phase-shifted beams. The NIRMaster is a single-beam
polarisation interferometer, generating its interferogram in four steps:
Step 1— Polarization of the light source output The polarizer B generates a well-defined polarization output of the undefined polarized light, emitted by the light source A. Thus, only diagonally polarized light is transmitted.
Step 2 — Beam splitting and orthogonal polarization The polarized light enters a double refracting block (comparator) C. Here, the light is broken down into two, orthogonally polarized components with a small, static phase shift.
Step 3 — Generating the ongoing phase shift An assembly of two double refracting wedges is arranged after the comparator. Wedge D is stationary, while wedge E is constantly shifted back and forwards by a fast linear-drive. The move­ment and the geometric arrangement provides a change of thickness in the light path. This leads to an ongoing phase shift between the light beams.
Step 4 — Beam recombination and interferogram output A second polarizer F converts the phase shifted beams into a single light output with intensity varia­tion – the interferogram.
15 NIRMaster Operation Manual, Version A
4 Description of function
Reference laser control The laser deliveres a constant, wavelength-stable beam of 633 nm. The laser beam a is coupled into the NIR beam b to pass the interferometer before being decoupled d and analysed by the “Laser feedback sensor” e. A fraction of the beam is splitted at the polarizer b and picked up by an inten­sity sensor c to monitor the laser beam quality. The position and movement-frequency of the wedge by the linear drive f causes an alternating relative phase shift of the laser light. Being reflected by the second polarizer d, the phase shift generates an alternating amplitude. This alternating amplitude is detected via the the “Laser sensor” e, giving precise information about velocity and (relative) position of the wedge. The feedback signal is used to control the velocity of the linear drive f as well as to set the sampling-points of the NIR interferogram.
a
LASER – 633 nm
F + b
H G
DE
c
Effective NIR light path
NIR light source assembly with spare lamp and motorized parabolic reflector
A
First polarizer
B
B
f
Spare lamp
e
+ dC
A
Comparator (double refracting block)
C
Stationary double refracting wedge
D
Moving double refracting wedge
E
Second polarizer
F
Sample
G
Interferogram detector
H
Reference laser signal path
Laser output window
a
Second polarizator (works as a beam splitter for the laser)
b
Laser output-power sensor
c
First polarizer
d
Laser feedback detector
e
Linear motor for wedge movement
f
16 NIRMaster Operation Manual, Version A
Data processing and interferogram analysis The NIR light interacts with the sample G material in different ways, leaving a characteristical finger-
print on the interferogram. At liquids the light is mostly transmitted and at solids reflected. The remaining light is collected by the detector H. The built-in computer further processes the raw signal.
Process steps Result
Signal preprocessing Interferogram
Fourier transformation Raw spectrum
Signal background correction Spectrum of sample
Chemometric analysis of the spectral data Sample analysis
Display of the result via NIRWare Operator on the attached monitor Sample analysis is displayed
4.2 Measurement modes and setups
At the NIRMaster, different measurement setups can easily be attached to the basic intrument to meet the individual sample requirements. To choose the best setup for a specific range of samples the optical properties of the sample material must be known.
4 Description of function
Mode overview and application
Sample characteristics (for NIR light) Section Measurement setup Typical application
Diffuse reflection 4.2.1 Adequate sample cup Predominantly non-translucent solids
Transflectance 4.2.2 Sample cup / petri dish+
4.2.1 Diffuse reflection mode
Most non-translucent materials (e.g. solids such as powders, pellets and cereals) can be analyzed via diffuse reflection. The NIR light penetration is limited by the sample material. It interacts with the sample, is refracted and diffusely reflected into the sensor. The reflected rays contain the spectral information of the sample.
matching transflectance cover
Sample material
such as powders, pellets and cereals
Liquids with weak diffuse reflection and medium transmission rate characteristics (e.g. transparent to opaque liquids)
NIR light
Sensor
17 NIRMaster Operation Manual, Version A
Factors that can influence the measurement:
Not enough sample material available• Sample not homogenious or representative• Humidity of sample material• Temperature of sample material• Sample cup inadeqate (e.g. cup material and thickness, blind spots, dirt etc.)•
NOTE
The samples should either be measured at a constant temperature or the temperature influences • must be considered during calibration. Coarse grained samples should be milled before carrying out the measurement. Recommended • number of scans: Qualitative calibration: 4−16; quantitative calibration: 16−32; granules: 64.
4.2.2 Transflectance mode
Translucent and opaque liquids can be analyzed via transflectance mode. The light penetrates the liquid, is diffusely reflected by the reference plate and passes the sample a second time. The trans­flected rays contain the spectral information of the sample.
4 Description of function
Factors that can influence the measurement:
Not enough sample material available• Air bubbles in the measurement path and under the transflectance cover• Sample not homogenious or representative• Temperature of sample material• Sample cup or transflectance cover inadequate (e.g. cup material and thickness, blind spots, dirt • etc.)
Diffuse reflecting / reference plate
NIR light
Sample cup / petri dish
Small, defined gap for liquid samples
Sensor
NOTE
The samples should either be measured at a constant temperature or the temperature influences • must be considered during calibration. Recommended number of scans: • Qualitative calibration: 4−16; quantitative calibration: 16−32 Most liquid sample materials can be constantly analyzed with the help of a flow-cell adapter.•
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4.3 NIRWare software suite
NIRWare is the interface program suite between the instrument and the operator. All program parts are hosted on the embedded PC.
About the embedded PC
The compact embedded PC runs an embedded Windows® operating system. The NIRWare soft­ware suite and database are preinstalled. It communicates with the spectrometer via internal network adapter. A second network interface is available to connect the NIRMaster to a local network, e.g. for data backup or to communicate with enterprise resource planning etc.
The suite includes the following program elements by default:
Operator interface(s)• Administrative tools• Report templates• Software to run routine analysis• Comprehensive database with analysis data and other •
4 Description of function
The NIRWare software meets industrial standards in terms of inner strukture combined with a compre­hensive and intuitive, wizard guided user interface. It is also ideally suited for many applications in the pharmaceutical, food and feed industry.
Advanced software and system management is done with the NIRWare Management Console tool.
The
NIRWare Management Console combines various software modules:
NIRWare Application Designer• to define NIRWare Operator applications NIRWare Sample Manager• to administrate all samples and reference values
• NIRWare Administrative Tools for applications and calibrations interchange and other administra- tive tasks
• NIRWare Security Designer to define users and user groups according to custom security policies
Optional:
•
NIRWare LIMS to import and export sample information and measurement data
• NIRWare Library Designer is a powerful software module for substance identity control using full spectral comparison. It is designed for the development of spectral libraries tailored to individual user requirements.
NIRWare Regulatory Kit• provides all components to comply with pharmaceutical regulations.
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5 Putting into operation
IP 54
This section lists the basic environmental installation requirements. Also see environmental data in the table of technical data, section 3 ff.
At delivery, the system does not have full ingress protection! It is highly recommended NOT to
unpack the system. For installation, a trained service person is required!
If unpacking is inevitable repack the device afterwards and store it in a dry and moderate tempera­tured environment to avoid damage by improper storage conditions.
To avoid damage by condensate moisture, special attention is needed when the instrument was deliv­ered at cold temperatures. Do not remove the instrument from its plastic bag for at least two hours to let the instrument acclimatize to the ambient temperature!
5 Putting into operation
Risk of instrument damage by moisture condensate.
NOTE
Inspect the instrument package for damage immediately after delivery. If necessary, prepare a status report immediately and inform customer and your local Buchi representative. Keep the original packaging for future transportation.
NOTICE
Let the instrument sufficiently acclimatize before unpacking•
5.1 System ingress protection class after installation
Safe environmental conditions depend on the respective IP (Ingress Protection) class of the system. The IP class is labelled on a sticker close to the type plate at the rear side of the NIRMaster. Compare the actual IP class of your system with the table below to find out about the allowed, safe environ­mental conditions!
Example:
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5 Putting into operation
!
Risk of instrument damage by liquid and particle ingress
Protection against ingress of dust and water
IP Code First digit Second digit
IP54
IP65
5 – dust protected
Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment; complete protection against contact.
6 – dust tight
No ingress of dust; complete protec­tion against contact.
NOTICE
Store and operate the instrument only in accordance to its ingress protection class only• Install dust caps and covers and housing parts tight to establish safe operation conditions•
4 – splashing water
Water splashing against the enclosure from any direction shall have no harmful effect.
5 – water jets
Water projected by a nozzle against enclosure from any direction shall have no harmful effects.
5.2 Basic installation site requirements
After initial installtion After intial installation, the IP level of the instrument will be established as labeled at the housing rear
side. The instrument can be relocated within the range and type of installation (e.g. limiting cable lenght). For more information about transport and device handling see also section 9. ff. Mind that the weight of the instrument is between ~ 43 kg for the white top-cover and ~ 50 kg for the stainless steel version!
WARNING
Risk of injury by heavy weight of the instrument.
A second person is mandatory for transport• Do not drop the instrument or its transport box• Place the instrument on a stable, even and vibration-free surface• Keep limbs out of crushing zone•
To avoid damage by condensate moisture, special attention is needed when the instrument is moved between environments with bigger temperature difference! When moving the instrument from a colder to a warmer environment, let it acclimatize to the ambient temperature befor switching it on!
Risk of instrument damage by moisture condensate.
21 NIRMaster Operation Manual, Version A
NOTICE
Let the instrument sufficiently acclimatize at relocation•
5 Putting into operation
!
Basic installation conditions
DANGER
Death or serious injuries by use in explosive environments.
Do not store or operate the instrument in explosive environments• Remove all sources of flammable vapors• Do not store chemicals in the vicinity of the device•
The instrument must be installed:
indoor only with a clearance of 15 cm minimum to walls and any other objects• without being exposed to heating or cooling source (e.g. direct sunlight or air conditioning)• with the transportation lock in unlocked position (see section 9.2)• on a stable and horizontal position•
If the instrument is installed on a laboratory cart, the cart should have large, soft wheels (approx. 10 cm diameter) for better shock absorption at transport on even floors.
Worst case environmental conditions at installation site must meet IP class and all other tech-
nical data (see section 3 ff.).
5.3 Electrical connection requirements
To maintain the systems ingress protection against liquids, dust and others, a proper installation
is required! Therefore, installation of cables (e.g. for a touchscreen monitor) must be performed
by a service technician with appropriate training only.
After the pre-installation procedure (all internal connections have been established and transportation lock is in unlocked position) has been completed successfully, the power plug of the NIRMaster can be connected to mains.
The used mains circuit has to:
provide the voltage that is given on the type plate of the instrument.• be able to handle the load of the connected instruments.• be equipped with adequat fuses and electrical safety measures, in particular proper grounding.•
See also technical data of all components regarding the different minimum system requirements!
NOTICE
Risk of instrument damage by wrong mains supply.
External mains supply must meet the voltage given on the type plate• Check for proper grounding• Exchange defective cabling instantly•
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5 Putting into operation
NOTE
To cut the power in case of an emergency by unplugging, the instrument or any other item must • not block the mains plug! In this case, the plug must be able to be pulled out instantly.
When the system is installed with a locked or secured plug an external power switch is required.•
When the system is installed stationary (without power plug) an external power switch is • required.
External power switches (e.g. emergency stop switches) must meet IEC 60947-1 and IEC • 60947-3 requirements. Such devices must be clearly labeled and accessible at any time.
Additional electrical safety measures such as residual current breakers may be necessary to meet • local laws and regulations!
External connections and extension lines must be provided with a grounded conductor lead • (3-pole couplings, cord or plug equipment). All used power cords must meet the input power requirements.
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6 Operation
+
This section describes how to start a measurement and how to prepare a reference measurement and gives recommendations on possible applications of the instrument. Additional information can be found in the NIRWare online help.
6 Operation
Risk of instrument damage at use with engaged transportation lock.
Disengage the transportation lock prior use• Keep shocks and vibrations away•
6.1 Initializing the system
Before starting the NIRMaster, switch ON the monitor a. To start the NIRMaster press the green power button on the left side of the instrument for 1 – 3 seconds b. The indicator light at the housing front will light up yellow, to indicate the bootup process. After approximately 60 seconds the indicator light will change from yellow to green c and the instrument is ready to use (respectively to log in).
a
NOTICE
Switch ON the monitor
b
1 – 3 sec.
~ 60 sec.
c
NIRWare / Login
Green
Yellow
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Preconfigured Windows login accounts
User name Minimum skill level Intended use of this account
Administrator IT specialist or advanced PC administrative user Administration of network and PC settings niradmin Trained Buchi service specialists Administration / repair / advanced system
User Standard operator Standard operations and measurements
6.1.1 System warm-up
When cooled down below working temperature, the spectrometer needs a warm-up time of approx. 15 min. The warm-up time starts as soon as the instrument is switched on.
NOTE
Insufficient warm-up time can influence the quality of measurement. A longer warm-up time might be required at low environmental temperature!
6.2 System Suitability Test
6 Operation
configuration etc.
The System Suitability Test (SST) serves as an internal functionality and performance test of the spec­trometer. It is recommended to run an SST after each restart of the NIRMaster to monitor and verify the system performance.
The following SST values are tested:
Internal system temperatures (e.g. Laser, interferometer, detectors) • Linearity• Signal-to-noise ratio• Wavenumber stability•
At the end of each SST a report protocol will be generated. The test results are compared to values ex factory and inform the user about the system condition.
The report data are stored in the internal database for service and quality control.
NOTE
The time between two SST requests can be set with the NIRWare Application Designer. The recom­mended standard value between two tests is 24 hours, a test-run takes approximately 5 min. Test results can be exported and stored in XML-format, e.g. for service purpose.
If the instrument is used in continuous operation (e.g. several days of ON-time), a longer checking interval might be suitable. However, frequent tests should be performed to minimize the risk of erro­neous measurement.
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6.2.1 Temperature tests in detail
The system is equipped with numerous temperature sensors. Individual lower and upper temperature limits are predefined for each sensor. To pass this test, all actual temperature values must be within the limits.
NOTE
Mind the ambient temperature data as listed in section 3, Technical data.
If temperature is too low • let system warm up sufficiently
If temperature is too high • clean filters and provide sufficient airflow
6.2.2 NIR linearity test
With this test the linearity of the intensity scale of the spectrometer is being tested. The absorbance of a set of five gray filters in the standard wheel are measured sequentially and compared with reference values.
To pass this test, all absorbance factors must be within the tolerance.
6 Operation
6.2.3 Signal-to-noise ratio determination
With this test the ratio of signal power to noise power is determined. A high flux (maximum intensity) and a low flux (10% intensity) beam is being analyzed for a number of wavenumber intervals.
To pass these tests, the average and the minimum values must be within the tolerance.
6.2.4 Wavenumber stability test
The wavenumber stability of the system is checked with the PMMA reference plate of the reference wheel. One absorption peak of the transmission spectrum is being analysed and compared to its reference value.
To pass this test, the wavenumber accuracy must be within the tolerance.
6.3 Reference measurements
Frequent reference measurements compensate for environmental effects, which might influence the spectra. A combination of internal and external reference measurements provides best result quality and measurement stability.
External reference In order to measure the reflectance of a sample, the measured intensity spectrum of the sample is
divided by a reference spectrum. The reference spectrum is generated by a white standard in the sample position.
External referencing needs user interaction (see 6.3.1 how to perform a reference measurement)
Internal reference The acquisition of an internal reference is usually done automatically. The internal referencing is used
to minimize the need for external referencing and user interaction. Internal referencing is performed by the NIRMaster automatically. The interval between two tests
can be set via the NIRWare Application Designer.
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6.3.1 Performing a reference measurement
After the expiration of a predefined time interval (60 min. by default), a pop-up window a will remind the operator to perform an External reference measurement. The interval can be set in the Application Designer.
The software guides the user through the process:
6 Operation
a
When the External reference b has been positioned properly Press the ‘Checkmark’ button. The NIRMaster will automatically measure the referance spectrum.
b
External reference positioning with installed Spinner:
27 NIRMaster Operation Manual, Version A
External reference positioning for XL addon (without Spinner):
6 Operation
NOTE
For proper device calibration, the External reference must be placed plane on top of the sample
window
of the NIRMaster. It is not necessary to remove the spinner! In case the Spinner is installed,
turn the External reference until it fits perfectly.
In detail, the External reference:
must not be tilted!• must be aligned to match the cut-out of the centering plate on top of the instrument, without XL • addon installed! the External reference, the sample window and all other items /surfaces which might affect the • measurement must be absolutely clean!
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Transflectance adapter positioning with / without Spinner:
6 Operation
NOTE
For proper device calibration, the Transflectance adapter must be placed plane above of the
sample window
is a recommended accessory.
In detail, the Transflectance adapter:
must not be tilted!• the Transflectance adapter, the sample window and all other items /surfaces which might affect • the measurement must be absolutely clean! In particular, there must not be any residual sample material in the reference beam.
When the measurement is done c, the user will be requested to remove the External reference.
of the NIRMaster. When working with the Transflectance adapter, the Spinner device
c
Press the ‘Checkmark’ button to finish the procedure.
The NIRMaster is now ready to proceed with a sample measurement!
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6.3.2 Frequency of reference measurement
An additional External reference measurement is mandatory:
after application change• after lamp exchange and lamp failure• after service (when top cover has been reinstalled and locked!)• when changing the add-on or measurement setup• at every system start / restart•
6.4 Operator software – the user interface for spectroscopy
Every NIRMaster comes installed with two different user interfaces of the Operator software.
Operator NIRMaster Operator NIRMaster is optimized for touch-screen usability in production environment (large buttons,
extra large character height). Reduced to the basic functionality of retrieving a result in the least neces­sary amount of steps the program is wizard guided. The displayed set of applications depends on the user rights and can be configured to minimize the possibility of handling errors.
6 Operation
Operator Operator (extended functionality, but without wizard) is optimized for mouse and keyboard use.
Offering mostly the same functionality as the NIRMaster Operator, the additional software buttons (compared to the Operator NIRMaster view) listed below are accessible.
Buttons main window
Button Function key Functionality
n.a.
F 4
F 5
n.a.
‘Change user’ log off and in again as a different user
‘Service tool’ enter service tools view
‘Logger’ open logfile viewer
‘Select application’ open list of applications
n.a.
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‘LIMS import’ import LIMS files (system must be connected to a LIMS)
6.4.1 Starting the NIRMaster Operator software
The Operator software can be set to start automatically (via Autostart folder entry) after login proce­dure or manually. This requires administrative rights.
To start the program manually, use the program icon on the desktop.
After startup, the program establishes the internal connection to the interferometer. This is indicated by a progress bar at the bottom line of the program window and green icons in the lower right corner.
Buttons main window
Button Function key Functionality
6 Operation
F2
F3
n.a.
n.a. F4
n.a. F5
F6
F7
‘Start’ starts measurement (can be used repeatingly until batch is closed)
‘Stop’ stops running measurement
‘Close batch’ will finalize batch after safety confirmation
Service view
Logger
‘Connect’ establishes internal connection between interferometer and built-in PC
‘Back’ calls up initial NIRWare Operator window
F8
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‘Start Wizard’ calls up the wizards batch manager window (see. 6.5.2)
‘Close Operator’ exits the NIRWare Operator software
6.4.2 Button overview
Buttons ‘Wizard’
Button Functionality
6 Operation
‘Wizard’
‘Go back’
‘Next’
‘Exit’
‘Checkmark’
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6.4.3 Program login
After every program start, the user must login (see example below) with a valid user name and pass­word.
6 Operation
NOTE
Different login data and access-rights can be set by the NIRWare administrator.
6.5 How to perform a measurement
For easy handling, the software wizard guides the operator through the measurement process.
A measurement comprises the following steps:
Step 1: Select an application
Step 2: Select / create a batch for the sample
Step 3: Perform one or more measurements of the sample material Step 4: Result handling Step 5: Perform another batch operation, rerun current measurement or close batch operation
Applications contain all values and settings for a measurement (e.g. calibration data and operator configuration)
*
NOTE
Sample handling is described in section 4.2 ff.
*
Wizard guided
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6.5.1 Step 1 — Select an application
After login, Press the ‘Wizard’ button to start the software wizard. The application manager appears in a pop-up window. Select the matching application for the actual sample. Press the ‘Next’ button to proceed with the batch manager or close the wizard with the ‘Exit’ button.
6 Operation
NOTE
Only applications dedicated to the NIRMaster will be shown.• Some applications require special measurement setups. Adapt the setup accordingly to the • measurment accessories (e.g. Spinner or XL-add-on)! In case the application does not match for the sample material, contact the local application • specialist.
34 NIRMaster Operation Manual, Version A
6.5.2 Step 2 — Select / create a batch for the sample
The batch manager is a convenient tool to handle batch production.
Select or create a batch Use the drop-down menu to select an entry from the list of available batches or press the ‘New’
button to generate a new entry and to enter a batch name.
6 Operation
For enhanced process safety, the useable character set (e.g. capital letters only or limited letter-figure combination) of a batch can be predefined by a NIRWare administrator for each application sepa­rately.
If the new entry contains a character (which is not valid for the selected application) the batch cannot be stored and must be adapted according to the help text pattern.
NOTE
Contact the local NIRWare administrator for more information about valid batch entries!
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6 Operation
Press the ‘Next’ button to proceed with the batch manager or close the wizard with the ‘Exit’ button.
Enter a unique identifier Enter a unique identification string (e.g. sample identification number or sample name) as measure-
ment description.
Example with predefined auto-timestamp
Press the ‘Next’ button to proceed with the batch manager or close the wizard with the ‘Exit’ button.
NOTE
Identificator settings such as auto-timestamp can be set for each application via the NIRWare management console.
Finish the wizard-guided process Check all entries of the overview window. Use the ‘Go back’ button to correct an entry via the previ-
ously described input masks.
Application name
Batch name
Unique identifier
To finish the wizard and to go to the main window of the NIRWare Operator software press the ‘Checkmark’ button. Proceed with section 6.5.3 .
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6.5.3 Step 3 — Perform a measurement
By standard, a reference measurement is requested prior to the first sample measurement (see section 6.3, Reference measurements). After referencing, the sample has to be placed into the inter­ferogram beam at the sample window.
Place the sample material onto the sample window of the NIRMaster according to the chosen • measurement setup. Press the ‘Start’ button. A progress bar at the window bottom informs about the status!• After the measurement, the result will be displayed.•
6 Operation
Start...
NOTE
Fully automated internal referencing will be done in specified time intervals without any user interac­tion.
6.5.4 Step 4 — Result handling
A measurement can either be within calibration, action and warning range or fail when out of range.
NOTE
The action and warning ranges can be set according to custom quality needs by the NIRWare admi­nistrator!
Valid result If a result is valid, its value will be displayed prominently. Use the tabs to browse between different
views!
...in progress...
...result!
37 NIRMaster Operation Manual, Version A
‘Overview’ tab
Standard tab view• Shows the main measurement value as defined in the application•
6 Operation
NOTE
*Press* on the ‘Checkmark‘ button to open the ‘Detailed result’ window.
38 NIRMaster Operation Manual, Version A
‘Results’ tab
View and print a detailed report.• Offers comprehensive toolbar for report handling.•
6 Operation
*
* To install and configure a printer, administrative rights are required!
Press on the printer button to send the report to an installed printer or use the toolbar buttons to review the report at the monitor.
NOTE
The software can be configured to automatically print out a report after each measurement.
39 NIRMaster Operation Manual, Version A
‘Spectra’
View detailed spectrum-graph• Print graph by pressing the printer button•
6 Operation
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6.5.5 No / invalid result
If a result is invalid, it will be displayed with a red background to make the user alert. In this case, no result value will be shown.
6 Operation
NOTE
Press the symbol in the overview window to call up the ‚Detailed Result‘ window. The individual range (calibration, action, warning) of the chosen application can also be found here.
6.5.6 Start new / rerun / close measurement
Depending on the measurement setup, the same sample material can be measured repeatedly or in serial within the same batch with the ‘Start’ button. However, every measurement is stored with a unique timestamp and GUID in the database. Other identifiers (e.g. a counter) can be set to automatic by a NIRWare administrator for each application. Press the ‘Close batch’ button when all measurements for the batch are finished. A popup window with a safety confirmation appears. To finalize the batch, acknowledge the safety confirmation. After finalization, a batch can not be reopened.
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6.6 Shutting down the NIRMaster
6.6.1 Standard shutdown instructions
Press the on/off button on the left side of the instrument for 1 – 3 seconds to switch off the NIRMaster. Subsequently, the embedded Windows will shutdown the computer, spectrometer and internal elec­tronic. In case the shutdown procedure is interrupted and in case of a power outage the embedded Windows and especially the internal database with applications and user data may be damaged!
6.6.2 Forced power-off instructions
Note, that a forced power-off might damage the data integrity of the database and program routines. Thus, a forced power-off (by pressing the power button for >10 sec.) must only be performed in case the system is not responding to the standard shutdown procedure described previously!
6 Operation
Risk of software damage and data loss at power outage and forced shutdown.
NOTICE
Do not actuate the power button for more than 3 seconds to allow safe shutdown procedure• Do not interrupt the power supply while the power LED is active•
> 10 sec.
OFF
NOTE
The use of an uninterruptible power supply can minimize the risk of system damage in case of an electrical power outage.
42 NIRMaster Operation Manual, Version A
7 Maintenance and repairs
!
This section gives instructions on all maintenance work to be performed in order to keep the instru­ment in good working condition.
7.1 Maintenance schedule
Due to safety reasons some parts are to be serviced by authorized technical service personnel only. The table below shows the maintenance material and recommended interval.
NOTE
When the instrument is used in dusty environment, a more frequent filter exchange might be neces­sary to ensure good cooling. A sign for clogged filters is increasing heat inside the NIRMaster.
User maintainable For service personnel only
Material Interval Material Interval
7 Maintenance and repairs
Data backup Frequently, not specified LASER module when defective / on demand
Outer Filter When clogged, latest every 6000 h
Inner Filter When clogged, latest every 6000 h
Primary lamp
7.2 Cleaning
To avoid cross-contamination and germ dissemination (e.g. by bacteria) the operator is advised to attend common laboratory biosafety measures in accordance the chosen application and environ­ment. The “Laboratory Biosafety Manual” of the World Health Organization can be used as a practical guidance.
Extended system service and testing
When defective, latest every 6000 lamp hours
WARNING
Risk of cross-contamination and germ dissemination at use
Exchange filters regularly• Keep the housing and the working area clean• Keep all surfaces in contact with sample material clean• Use disinfectant to avoid germ dissemination• Do not reuse sample material which has been in contact to non-food •
annually
43 NIRMaster Operation Manual, Version A
7.2.1 Housing
Clean the housing with a soft, lint free damp cloth with mild soapy water. For hygienic reasons, use surface disinfectant wipes in combination with similar disinfectant spray on alcohol basis. If the sample window on top of the instrument is dirty, clean it with an antimicrobial wipe (e.g. Melisptol® wipes).
7 Maintenance and repairs
In order to avoid contamination by sample material between the measurements, clean the surfaces in direct contact with the sample after each measurement.
NOTE
Switch off the NIRMaster and all directly connected eletronic devices i.e. monitors before cleaning • the housing. Never use any objects for cleaning which might scratch the optical surfaces or add-ons of the • NIRMaster. Scratches can influence a measurement! For coated optical surfaces, use abrasion-resistant precision cloths such as Kimwipes from • Kimberly-Clark. Primary cleaning can be done with disinfectant wipes on alcohol basis. Do not clean coated optical surfaces in a washer.• Avoid fingerprints on any optical surface!•
44 NIRMaster Operation Manual, Version A
7.2.2 External reference
For dependable reference measurements the External reference and Transflectance adapter must be clean and damage free.
For cleaning, use abrasion-resistant precision cloths (e.g. Kimwipes from Kimberly-Clark). If substances still adhere, you may additionally rinse the surfaces with alcohol.
7 Maintenance and repairs
NOTE
The External reference is sensitive to scratches. External referencing can only be performed manu­ally via the Operator, not with the NIRMaster Operator software. Therefore for all NIRMaster Operator applications the external referencing must be set to ‘interval’!
Do not drop the External reference!• Never bring it in contact with hard objects.• Do not use any cleaning media with abrasive character which might scratch the surface.• Do not use item for reference measurement when damaged or scratched. •
7.2.3 Add-ons and custom sample vessels
Many sample vessels made of glass only, such as Petri dishes, can be cleaned in a washer with stan­dard detergents. However, all BUCHI add-ons can be rinsed and cleaned with Meliseptol® liquid or spray by B.Braun (disinfectants on alcohol basis).
Dishwasher-proof parts:
Petri dishes• Unbreakable cup• Spinner cpl.• XL add-on• High performance cup•
NOTE
Spray-disinfection should be used in addition to surface disinfection with wipes only!
7.3 How to perform a database backup
The operator is responsible for data backup. BUCHI recommends frequent backups with an advanced backup strategy such as monthly, weekly and daily snapshots on independent data storages.
45 NIRMaster Operation Manual, Version A
Grandfather-Father-Son example backup strategy A commonly used media rotation schedule is “Grandfather-Father-Son”. This scheme has an hierar-
chical structure with daily (Son), weekly (Father), and monthly (Grandfather) backup sets.
Independent media are labeled for daily backups (Monday through Thursday). This ‘Son’ group of • media will be recycled weekly. On Friday, a weekly backup must be perfomed. A set of up to five weekly backup media is labeled • “Week1”, “Week2” and so on. This ‘Father’ group of media will be recycled monthly. Full backups are stored at the end of every month. The set of twelve monthly backup media is • called ‘Grandfather’ and will never be recycled.
Backup options
Via USB connection to an external storage• Via network to a backup server or network storage •
7.3.1 Creating a database backup-file
Start the NIRWare management console to get access to the build-in backup functionality. Go to “Administrative Tools” “Database Maintenance” “Backup & Restore”. Here, it is possible to backup / restore the NIRMaster database and to free disk space by removing old backup files.
7 Maintenance and repairs
Backup-files can be accessed via the Windows Explorer. The standard backup destination folder path is „C:\Program Files\Buchi\BuchiSQLExpress2005\MSQL.1\MSSQL\Backup“.
a
NOTE
NIRWare administrative rights are required to perform, store and proceed backups.•
Backups are named automatically (format: NIRSolution_YYYY_MM_DD.bk). •
Custom description can be added into field • a.
46 NIRMaster Operation Manual, Version A
7.3.2 Advanced selective archive actions
Via the entry ‘Archive Operations’ the NIRMaster Administrators can create a new, empty database containing all subsettings i.e. security, user and lifecycle settings. A wizard will guide the Administrator through the procedure. Applications and library calibrations can can be selected to be imported into the new database. The old database will be transformed into a backup file.
7.3.2 Backup on USB storage devices
A simple variant for backups is to connect an external storage (e.g. external hard disk with USB 2.0 or higher) to the NIRMaster.
7 Maintenance and repairs
Risk of instrument damage by liquid and particle ingress
How to store a backup onto a USB storage device
Exit all NIRWare applications• Unscrew the dust cap • a from the NIRMaster USB socket Connect the USB storage • b to the NIRMaster Perform a backup as described in section 7.3.1 .• Copy the backup onto the USB storage.• Safely remove the USB storage from the NIRMaster and reinstall the dust cap•
NOTICE
Store and operate the instrument only in accordance to its ingress protection class only• Install dust caps and covers and housing parts tight to establish safe operation conditions•
b
a
Backup
NOTE
Some USB devices are not bus powered and require an external power source. See storage user • manual for more information! NIRWare administrator rights are required for backup.• When NIRAnywhere is installed and active, local backup functionality is disabled.•
47 NIRMaster Operation Manual, Version A
7 Maintenance and repairs
PX0852
To maintain the IP class while having a USB flash drive installed, a special cover with a sleeve nut is available. Follow the instructions to connect the USB storage device (here: flash drive a) to the NIRMaster. Subsequently, put on the flash drive cover.
Solely turn the sleeve nut clockwise, while keeping the horizontal alignment of the cover body. Do
not turn the body of the flash drive cover – this will twist off the USB flash drive!
a
NOTE
With the flash drive cover installed, the NIRMaster is fully operational i.e. measurements can be performed as usual.
7.3.3 Backup on network storage
The preferred method for backups is to connect the NIRMaster to a local network. A copy of the data­base backup-files to a network drive can easily be done manually.
Cover body
Sleeve nut
b
How to perform a backup via network
Perform a backup as described in section 7.3.1 .• Copy the backup onto the network drive.•
48 NIRMaster Operation Manual, Version A
7 Maintenance and repairs
Network
NOTE
For information about network settings and available network drive(s) contact the local network admi­nistrator!
7.4 How to lift off the top cover
Safely switch off the instrument (see section 6.6 ff.) and cut off the external power supply according to the type of installation. Clean the housing i.e. remove any dust between the upper and lower cover. This can easily be done with compressed air if available. To get access to the light source and the interferometer for example, it is necessary to remove the top cover of the NIRMaster. Lift the four black dust flaps a (two at each side of the instrument) to get access to the latches.
a
Turn the housing-key and bring the latches into horizontal position to • unlock the housing. Carefully lift off the top cover.
Unplug the internal power cable.• To reinstall the cover, re-plug the internal power calbe and carefully place the top cover onto the • instrument. Turn the housing-key and bring the latches into vertical position to •
49 NIRMaster Operation Manual, Version A
lock the housing.
7 Maintenance and repairs
Locked
Unlocked
Risk of instrument damage by ingress of particles.
NOTICE
Check proper seating and reliable locking before use• Do not operate instrument when housing is open or unlocked•
7.5 How to exchange inner / outer filters
Outer filters The outer filters are the first filter stage.
Pull off the filter frames, holding the filter pad.• Exchange the filter pads.• At remount, make sure the ventilation slots of the filter frames show into opposite direction to avoid • a shortcut of the cooling airflow.
50 NIRMaster Operation Manual, Version A
7 Maintenance and repairs
Cooling airflow
NOTE
When changing the outer filters, do not tilt the NIRMaster – direct access is possible from the side!
51 NIRMaster Operation Manual, Version A
7 Maintenance and repairs
Inner filters The inner filters are the second filter stage.
Lift off the top cover to get access to the filter drawers (below the fans)• Push the drawers • a to swivel out the filter holders Pop out the sandwich filters• For each filter, place a new filter pad between the metal grids • b and remount it in its holder Push the drawers back into position • c Close the housing again •
a
b
c
52 NIRMaster Operation Manual, Version A
7.6 NIRMaster basic instrument
The drawing below shows the main components of the NIRMaster at open housing.
Primary lamp
Interferometer interface panel
Internal fuses
7 Maintenance and repairs
Interferometer
LASER assembly
Cable feedthrough
USB Connector
Add-on Connector
7.6.1 Resetting the system fuses
The primary fuses are located inside the instrument next to the interferometer power supply socket. To get access to the resettable fuses, lift off the top cover as described in section.
Resetting a system fuse
Push in the fuse for reset• Switch ON the NIRMaster•
ON / OFF button
Fuse triggered
Fuse ok
F1 — F2 (4 A, 250V)
NOTE
Device fuses may be triggered occasionally (e.g. due to voltage peaks). When fuses trigger frequently, inform your customer service! Do not try to repair or modify the fuses!
53 NIRMaster Operation Manual, Version A
7.6.2 Lamp exchange
!
The light source of the NIRMaster has a life expectancy of approx. 6000 hours. After this time, it needs to be replaced. To avoid downtime, the NIRMaster is equipped with an independent secondary backup lamp.
In case of a primary lamp module failure:
The system automatically switches to the secondary lamp in case of a primary lamp failure.• The secondary lamp will be in use until the primary lamp has been exchanged by the user or a • service person. The operator will be reminded to exchange the primary lamp module. This should be done as soon • as possible.
CAUTION
Risk of minor burns by hot lamp module.
Do not touch hot parts or surfaces• Let the lamp module cool down safely• Do not touch the bulb glass•
7 Maintenance and repairs
a
d
c
e
b
54 NIRMaster Operation Manual, Version A
How to replace the primary lamp module
Switch OFF the instrument.• Lift off the top cover • a and put it aside. Unplug the mains plug inside the device • b! Unplug the power cable • c of the primary / secondary lamp module. Turn the locking lever upwards • d to unlock the module. Carefully pull out the lamp • e.
To install the new lamp module, proceed in reverse order and reset the software hour counter as described in the following section.
7.6.3 Resetting the lamp lifetime counter
To correctly monitor the lamp lifetime the software hour counter has to be reset after each lamp replacement. At lamp exchange, the secondary lamp module is active.
8 Troubleshooting
Proceed as follows to establish the standard working conditions of the NIRMaster:
Open the Operator software (non-Wizard user interface), press F4• Switch from “secondary lamp” • a to “primary lamp” Resetting the hour • b counter will bring up a prompt for confirmation Confirm the message • c to finally set the lamp lifetime counter to zero
After this procedure, restart the NIRMaster.
a
b
c
55 NIRMaster Operation Manual, Version A
7.7 Laser unit
Over its lifetime, the intensity of the laser light will decrease. Thus, it is continuously monitored by a sensor to be sure levels are above a certain threshold. After its mean time between failures (MTBF) of
20.000 hours and in case of an earlier defect service personnel is required to replace the LASER unit.
The laser unit comprises:
Laser tube (factory aligned)• High voltage power supply•
7.8 Special settings and enhanced system diagnose
7.8.1 Setting a new password
At the login window, press on the button right to the password field to open the password dialog. Here, enter the new password and store it by pressing the ‘Checkmark’ button.
8 Troubleshooting
NOTE
The password has to be filled in a second time for confirmation. If the new password is not accepted, make sure no special key (e.g. “Caps lock”) is activated!
56 NIRMaster Operation Manual, Version A
8 Troubleshooting
This section helps to resume operation after a problem has occurred with the instrument which does not necessarily require special technical training. It lists possible occurrences, their probable causes and suggests how to remedy the problem. The troubleshooting table below lists possible malfunctions and errors of the instrument. The operator is enabled to correct some of those problems or errors by him/herself. For this, appropriate corrective measures are listed in the column “Remedy”.
8.1 Malfunctions and their remedy
Malfunctions and their remedy
Malfunction Possible cause Remedy
System is overheated Filter clogged Exchange outer / inner filters
System does not power up Built-in resettable fuses or electronic
malfunction; power outage
External reference measurement fails
See chapter 8.3 Clean all optical surfaces in the
8 Troubleshooting
Reset interal fuses; if error persists, call service for repair
measurement path; perform NADIA (chapter 8.2) for enhanced trouble shooting
Malfunctions or errors which are not listed in the table are to be corrected by a Buchi trained technical engineer who has access to the official service manuals or a trained system administrator. In case external service is required, please refer to your local Buchi customer service agent.
8.2 Enhanced system diagnose (NADIA)
Additional tests to the SST can be run via the NIRWare Automatic Diagnose (Nadia) tool. “Nadia” can be used to verify the condition of the NIRMaster e.g. during service for an enhanced performance check of the instrument.
To run “Nadia” proceed as follows:
Close the NIRWare Operator and all other running NIRWare applications• Start the diagnose window of the test program press •  Start” ➡ “Programs” ➡ “Buchi NIRSolutions” ➡ “NIRWare” ➡ “Nadia”
NOTE
NADIA will prompt you for permission to stop the Control System Service, if it detects a running Control System Service. In this case, close all running NIRWare applications (e.g. NIRWare Operator).
To run the system diagnose press the “Start” button in the lower left corner of the program window. To exit the program, select “Exit” in the lower right corner.
57 NIRMaster Operation Manual, Version A
8 Troubleshooting
Start
After diagnostic check, basic information about the software version, timestamp and the performed tests are reported. The test result can be found at the “Datafile” location as displayed (last entry of the program window) in an *.xml file. The actual location may vary according to local settings. For problem evaluation, send this file to the local Buchi representative.
For example: “C:\Documents and Settings\username\My Documents\MyNadiaFiles\11-2007-01-12_09-16-17.xml”
Exit
Example
58 NIRMaster Operation Manual, Version A
8.3 Reference measurement fails
When the deviation between the stored reference spectrum is out of limit, the reference measurement will fail. A pop-up window will show both curves and give details of the measurement result.
Possible reasons for a reference measurement to fail
Optical surfaces (e.g. External reference) dirty or scratched• Environmental conditions out of operational range (e.g. condensating humidity at optical surfaces)• Defective instrument (e.g. electronic damage)• After lamp-module exchange•
Remedy
Clean the External reference and the NIRMaster output window• Place the External reference onto the output window and press the ‘Rerun’ button to repeat the • measurement
If measurement still fails, a new reference spectrum can be stored by pressing the ‘Checkmark’ button. A login window will pop-up. An administrator login is required to store the new data set!
8 Troubleshooting
59 NIRMaster Operation Manual, Version A
8 Troubleshooting
Buttons ‘External Reference Deviation’
Button Functionality
‘Exit’
‘Rerun’
‘Checkmark’
NOTE
After lamp-module exchange, a reference spectrum should be generated to match the individual light intensity output of the module. In all other cases, perform consequent trouble shooting (run SST) before setting a new reference spectrum!
8.4 Connection to a local network
The embedded PC is equipped with two Ethernet (LAN) sockets.
2 1
LAN 2 The secondary network connector (LAN2) can be used to connect the NIRMaster to a local Ethernet
network.
By default, LAN 2 is configured to obtain an IP address automatically (via DHCP). A customer specific static IP-address and subnet mask for LAN 2 can be configured if required by a local network admin­istrator with administrative rights on the NIRMaster.
LAN 1 The primary network connector (LAN1) is predefined for internal communication with the spectrom-
eter hardware.
Standard configuration of
Static IP-address 192.168.1.2• Subnet mask 255.255.255.0•
NOTE
Do NOT change the settings between the embedded PC and spectrometer!
60 NIRMaster Operation Manual, Version A
LAN 1:
Standard configuration of the Spectrometer:
Static IP-address 192.168.1.1• Subnet mask 255.255.255.0•
9 Storage, transport and disposal
!
This section instructs how to handle the instrument for storage or transport, and gives advice on disposal.
9 Storage, transport and disposal
Risk of instrument damage at transport
Engage the transportation lock before storing, transport and re-packaging• Only transport the instrument in original packaging• Keep shocks and vibrations away • Safely store and transport accessories separately •
9.1 Storage and transport
The NIRMaster weights approx. 43-50 kg (depending on the system configuration and accessories). Manual handling of the instrument requires a second person!
NOTICE
WARNING
Risk of injury by heavy weight of the instrument.
A second person is mandatory for transport• Do not drop the instrument or its transport box• Place the instrument on a stable, even and vibration-free surface• Keep limbs out of crushing zone•
NOTE
Clean the instrument thoroughly before storage or transport. Store and transport the instrument in its original packaging. When returning the instrument to BUCHI fill out the „Health and Safety Clearance“ form and safely attach it at the outside of the transport box.
61 NIRMaster Operation Manual, Version A
9.2 Transportation lock
Locked
Locked
The NIRMaster is equipped with a mechanical transportation lock to avoid damage of the interfer­ometer during transportation and shipping by shocks and vibrations. The transportation lock is in “Locked” position at initial delivery.
After system installation and prior use, the interferometer has to be unlocked! See following section for information about unlocking.
9 Storage, transport and disposal
Risk of instrument damage at use with engaged transportation lock.
9.2.1 How to lock/unlock the interferometer
Switch off the NIRMaster and the display and unplug the power cord. See safety warning in section
5.1! Unlock the housing and lift off the top cover to get free access to the locking mechanism.
NOTICE
Disengage the transportation lock prior use• Keep shocks and vibrations away•
In unlocked position, the linear drive of the interferometer is freely moveable and must not be subject to extreme vibration or shock (e.g. by transport)!
62 NIRMaster Operation Manual, Version A
9 Storage, transport and disposal
Locked
Unlock
After turning the transportation lock the housing has to be closed again. Put the top cover in place and lock all four latches.
9.3 Disposal
For instrument disposal in an environmentally friendly manner, a list of materials is given in section 3.1. This helps to ensure that the components can be separated and recycled correctly by a specialist for disposal.
You have to follow valid regional and local laws concerning disposal. For help, please contact your local authorities!
NOTE
When returning the instrument to the manufacturer for repair work, please copy and complete the health and safety clearance form on the following page and enclose it with the instrument.
Do not dispose of instrument as unsorted household waste!
63 NIRMaster Operation Manual, Version A
10 Spare parts and accessories
Operation Manual
11593389
en
NIRMaster
®
PX0852
This section lists spare parts, accessories and options of the instrument including their ordering infor­mation. Order the spare parts from Buchi. Always state the product designation and the order number when ordering spare parts. Use only genuine consumables and genuine spare parts for maintenance and repair to assure good system performance and reliability. Any modifications to the spare parts used is allowed only with the prior written permission of the manufacturer.
10.1 Scope of delivery
10 Spare parts
NIRMaster (for standard environments)
Product IP category Order number
NIRMaster 100-240 V,
54 11057000
50/60 Hz
NIRMaster Pro (for rough environments)
Product IP category Order number
NIRMaster 100-240 V,
54 11057101
50/60 Hz
Accessories
g
a
h / i
b
c
j
d e
f
k
Product Order number
a
Operation manual see list of
spare parts
b
Spinner 11056771
c
External reference 11056371
d
Inner filter pads (round), 2 pcs 11056671
e
Filter mesh (round), 2 pcs 11056767
f
Outer filter holder with pads, 2 pcs 11056672
g
USB Flash Drive Cover 11056683
h
Ferrit sleeve 5 mm 11056714
i
Ferrit sleeve 6 mm 11056715
j
Housing-key 11056766
k
XL-Add-On 11056784
Software
Product Order number
NIRWare Basic N550-011
64 NIRMaster Operation Manual, Version A
10.2 Spare parts, optional accessories and consumables
Example
Operation Manual
11593389
en
NIRMaster
®
en
93124
NIRWare
Quick Guide
Spare parts
Description Order no.
Mains cable, CH-type 010010
Mains cable, DE-type 010016
Mains cable, GB-type 017835
Mains cable, US-type 010020
Mains cable, AU-type 017836
Operation Manual, English 11593389
Operation Manual, German 11593390
Operation Manual, French 11593391
Operation Manual, Italian 11593392
Operation Manual, Spanish 11593393
10 Spare parts
Quick Guide NIRWare 1.2, English 093124
Quick Guide NIRWare 1.2, German 093125
Quick Guide NIRWare 1.2, French 093126
Quick Guide NIRWare 1.2, Italian 093127
Quick Guide NIRWare 1.4, English 11593434
Quick Guide NIRWare 1.4, German 11593435
Quick Guide NIRWare 1.4, French 11593436
Quick Guide NIRWare 1.4, Italian 11593437
Quick Guide NIRWare 1.4, Spanish 11593438
Quick Guide NIRWare 1.4, Chinese 11593439
Quick Guide NIRWare 1.4, Japanese 11593440
Outer filter pads (square), 10 pcs 11056773
Inner filter pads (round), 10 pcs 11056917
Primary lamp module N560-001
65 NIRMaster Operation Manual, Version A
10 Spare parts
Spare parts
Description Order no.
External reference 11056371
Spinner (Easy-Spin drive) 11056771
Spinner (inlay-) ring 11056772
Unbreakable cup 11055058
Transflectance adapter for
11055998
unbreakable cup (0.3 mm gap)
66 NIRMaster Operation Manual, Version A
10 Spare parts
Spare parts
Description Order no.
Set of 10 glass petri dishes (inner diameter 100 mm) for NIRFlex Solids with the petri dish add-on
Transflectance adapter for petri dishes (0.3 mm gap)
Transflectance adapter for petri dishes (0.5 mm gap)
041583
041636
(on request)
67 NIRMaster Operation Manual, Version A
11 Declarations and requirements
11.1 FCC requirements (for USA and Canada)
English: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to both Part 15 of the FCC Rules and the radio interference regulations of the Canadian Department of Communications. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Français: Cet appareil a été testé et s'est avéré conforme aux limites prévues pour les appareils numériques
de classe A et à la partie 15 des réglementations FCC ainsi qu’à la réglementation des interférences radio du Canadian Department of Communications. Ces limites sont destinées à fournir une protec­tion adéquate contre les interférences néfastes lorsque l’appareil est utilisé dans un environnement commercial. Cet appareil génère, utilise et peut irradier une énergie à fréquence radioélectrique, il est en outre susceptible d’engendrer des interférences avec les communications radio, s’il n’est pas installé et utilisé conformément aux instructions du mode d’emploi. L’utilisation de cet appareil dans les zones résidentielles peut causer des interférences néfastes, auquel cas l’exploitant sera amené à prendre les dispositions utiles pour palier aux interférences à ses propres frais.
11 Declarations and requirements
68 NIRMaster Operation Manual, Version A
11.2 Declaration of conformity
11 Declarations and requirements
69 NIRMaster Operation Manual, Version A
11 Declarations and requirements
Health and Safety Clearance
Health and Safety Clearance_20081110.doc_20081110 Version 1.0 Page 1/1
Declaration concerning safety, potential hazards and safe disposal of waste.
For the safety and health of our staff, laws and regulations regarding the handling of dangerous goods, occupational health and safety regulations, safety at work laws and regulations regarding safe disposal of waste, e.g. chemical waste, chemical residue or solvent, require that this form must be duly completed and signed when equipment or defective parts were delivered to our premises.
Instruments or parts will not be accepted if this declaration is not present.
Equipment
Model: Part/Instrument no.:
1.A Declaration for non dangerous goods
We assure that the returned equipment
has not been used in the laboratory and is new was not in contact with toxic, corrosive, biologically active, explosive, radioactive or
other dangerous matters.
is free of contamination. The solvents or residues of pumped media have been
drained.
1.B Declaration for dangerous goods
List of dangerous substances in contact with the equipment:
Chemical, substance Danger classification
We assure for the returned equipment that
all substances, toxic, corrosive, biologically active, explosive, radioactive or
dangerous in any way which have pumped or been in contact with the equipment are listed above.
the equipment has been cleaned, decontaminated, sterilized inside and outside and
all inlet and outlet ports of the equipment have been sealed.
2. Final Declaration
We hereby declare that
- we know all about the substances which have been in contact with the equipment and all questions have been answered correctly
- we have taken all measures to prevent any potential risks with the delivered equipment.
Company name or stamp:
Place, date:
Name (print), job title (print):
Signature:
70 NIRMaster Operation Manual, Version A
BÜCHI Labortechnik AG CH-9230 T +41 71 394 63 63 F +41 71 394 65 65
Flawil 1 / Switzerland
www.buchi.com Quality in your hands
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