Hach-Lange DR 3800 User Manual
DOC022.52.00782
DR 3800
USER MANUAL
July 2007 Edition 1
©Hach Lange GmbH, 2007. All rights reserved. Printed in Germany.
sd/sk
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Table of contents
Section 1 Specifications ........................................................................................................................................ 7
Section 2 General Information .............................................................................................................................. 9
2.1 Safety information .............................................................................................................................................. 9
2.1.1 Use of hazard information ......................................................................................................................... 9
2.1.2 Precautionary labels ................................................................................................................................. 9
2.1.3 Class 1 LASER ......................................................................................................................................... 9
2.1.4 Chemical and Biological Safety .............................................................................................................. 10
2.2 Overview of product ......................................................................................................................................... 10
Section 3 Installation ........................................................................................................................................... 11
3.1 Unpack the instrument ..................................................................................................................................... 11
3.2 Operating environment .................................................................................................................................... 11
3.3 Power connections ........................................................................................................................................... 11
3.4 Interfaces ......................................................................................................................................................... 13
3.5 Cell compartments, cuvette/sample cell adapters, light shield and Adapter Box ............................................. 14
3.5.1 Cell compartments and adapters ............................................................................................................ 14
3.5.2 Installation of the cuvette/sample cell adapters ...................................................................................... 15
3.5.3 Use of the light shield for measurements ................................................................................................ 17
3.6 Adapter Box ..................................................................................................................................................... 18
3.7 Beam path ........................................................................................................................................................ 19
Section 4 Start Up ................................................................................................................................................ 21
4.1 Power the instrument on and off ...................................................................................................................... 21
4.2 Language selection .......................................................................................................................................... 21
4.3 Self-Check ....................................................................................................................................................... 21
Section 5 Standard Operations ........................................................................................................................... 23
5.1 Overview .......................................................................................................................................................... 23
5.1.1 Tips for the use of the touch screen ........................................................................................................ 23
5.1.2 Use of the alphanumeric keypad ............................................................................................................ 23
5.1.3 Main Menu .............................................................................................................................................. 24
5.2 Instrument Setup mode .................................................................................................................................... 25
5.2.1 Operator ID ............................................................................................................................................. 25
5.2.2 Sample ID ............................................................................................................................................... 26
5.2.3 Date and time .......................................................................................................................................... 27
5.2.4 Display and sound preferences .............................................................................................................. 28
5.2.5 Lamp control ........................................................................................................................................... 28
5.2.6 PC and printer ......................................................................................................................................... 30
5.2.6.1 Printer setup ............................................................................................................................... 30
5.2.6.2 Print data .................................................................................................................................... 32
5.2.7 Password ................................................................................................................................................ 32
5.2.7.1 Deactivation password ................................................................................................................ 33
5.2.8 Select color ............................................................................................................................................. 34
5.3 Store, recall, send and delete data .................................................................................................................. 35
5.3.1 The data log ............................................................................................................................................ 35
5.3.1.1 Auto/manual data storage ........................................................................................................... 35
5.3.1.2 Recall stored data from the data log ........................................................................................... 35
5.3.1.3 Send data from the data log ....................................................................................................... 37
5.3.1.4 Delete stored data from the data log .......................................................................................... 37
5.3.2 Store, recall, send and delete data from wavelength scan and time course ........................................... 38
5.3.2.1 Data storage from wavelength scan or time course ................................................................... 38
5.3.2.2 Recall stored data from wavelength scan or time course ........................................................... 38
5.3.2.3 Send data from wavelength scan or time course ........................................................................ 39
5.3.2.4 Delete stored data from wavelength scan or time course ........................................................... 41
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Table of Contents
5.4 Stored Programs .............................................................................................................................................. 42
5.4.1 Select a saved test/method; entering user-specific basic data ............................................................... 42
5.4.2 Stored program options .......................................................................................................................... 42
5.4.3 Use of program timers ............................................................................................................................ 44
5.4.4 Set the reading mode .............................................................................................................................. 44
5.4.4.1 Take single wavelength measurements (single reading) ............................................................ 45
5.4.4.2 Take single wavelength measurements (continuous readings) .................................................. 45
5.4.5 Set the dilution factor .............................................................................................................................. 46
5.4.6 Run a standard adjust ............................................................................................................................. 46
5.4.7 Set the chemical form ............................................................................................................................. 47
5.4.7.1 Change of the default setting of the chemical form .................................................................... 48
5.4.8 Run a reagent blank ................................................................................................................................ 48
5.4.9 Analysis of samples ................................................................................................................................ 49
5.4.10 Update/edit tests ................................................................................................................................... 50
5.4.10.1 Manual update of test data ....................................................................................................... 50
5.4.10.2 Program a new test ................................................................................................................... 51
5.4.11 Add stored programs to the favorite programs list ................................................................................ 51
5.5 Barcode Programs ........................................................................................................................................... 52
5.5.1 Complete a barcode 13 mm test/vial ...................................................................................................... 53
5.5.2 Select the measuring range .................................................................................................................... 54
5.5.3 Select the chemical evaluation form ....................................................................................................... 54
5.5.3.1 Change of the default setting of the chemical form .................................................................... 54
5.5.4 Basic test-specific and sample-specific data settings ............................................................................. 55
5.5.5 Sample blank .......................................................................................................................................... 56
5.5.6 Update/edit barcode tests ....................................................................................................................... 56
5.5.6.1 Manual update of a barcode test ................................................................................................ 56
5.5.6.2 Update an existing barcode test ................................................................................................. 59
5.5.6.3 Program a new test ..................................................................................................................... 60
5.5.7 Update from the internet ......................................................................................................................... 61
5.5.8 Program an own barcode-readable applications with LCW 906 ............................................................. 61
5.5.8.1 Evaluation of barcode-readable appliaction with LCW 906 ........................................................ 62
5.5.8.2 Edit/delete of barcode-readable appliaction ............................................................................... 62
Section 6 Advanced Operations ......................................................................................................................... 65
6.1 User Programs ................................................................................................................................................. 65
6.1.1 Program a user method .......................................................................................................................... 65
6.1.1.1 Single wavelength settings ......................................................................................................... 67
6.1.1.2 Multi wavelength settings ............................................................................................................ 68
6.1.1.3 Calibration settings for single and multi wavelength mode ......................................................... 70
6.1.1.4 Store a user program .................................................................................................................. 74
6.1.1.5 Additional user-defined parameters and functions ..................................................................... 74
6.1.2 Free programming program type ............................................................................................................ 76
6.1.2.1 Measurement process ................................................................................................................ 76
6.1.2.2 Enter a new element of a measuring sequence ......................................................................... 77
6.1.2.3 Enter the calibration formula (evaluation formula) ....................................................................
6.1.2.4 Enter variables ............................................................................................................................ 82
6.1.2.5 Save a free programming user program ..................................................................................... 82
6.1.3 Select a user program ............................................................................................................................. 82
6.1.4 Add, edit and delete user programs from the favorites list ...................................................................... 82
6.1.4.1 Add to Favorites .......................................................................................................................... 83
6.1.4.2 Edit .............................................................................................................................................. 84
6.1.4.3 Delete ......................................................................................................................................... 84
.. 79
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Table of Contents
6.2 Favorite Programs ........................................................................................................................................... 85
6.2.1 Recall a favorite program ........................................................................................................................ 85
6.2.2 Delete a favorite program ....................................................................................................................... 85
6.3 Standard Addition – monitoring/checking results ............................................................................................. 86
6.3.1 Complete a standard addition ................................................................................................................. 87
6.4 Single Wavelength (absorbance, concentration and transmittance measurements) ....................................... 91
6.4.1 Set up single wavelength mode .............................................................................................................. 91
6.4.2 Take single wavelength measurements (single reading) ........................................................................ 93
6.4.3 Take single wavelength measurements (continuous readings) .............................................................. 93
6.5 Multi-Wavelength mode – measurements at more than one wavelength ........................................................ 94
6.5.1 Set the reading mode at different wavelengths ....................................................................................... 94
6.5.2 Complete a measurement in the multi wavelength mode ....................................................................... 97
6.6 Wavelength Scan mode – recording of absorbance and transmission spectrums .......................................... 98
6.6.1 Set up the wavelength scan .................................................................................................................... 98
6.6.2 Wavelength scan reading ..................................................................................................................... 101
6.6.2.1 Navigation of the wavelength scan graph or a wavelength scan analysis ................................ 102
6.6.3 Work with reference scans .................................................................................................................... 103
6.7 Time course of absorbance/transmittance ..................................................................................................... 105
6.7.1 Time course setup parameters ............................................................................................................. 105
6.7.2 Time course scan reading ..................................................................................................................... 106
6.7.3 Analysis of time course data ................................................................................................................. 107
6.7.3.1 Navigation of a time scan or a time scan analysis .................................................................... 108
6.8 System checks ............................................................................................................................................... 109
6.8.1 Instrument information .......................................................................................................................... 109
6.8.2 Upgrade of the instrument software ...................................................................................................... 110
6.8.3 Optical checks ....................................................................................................................................... 110
6.8.3.1 Wavelength check .................................................................................................................... 111
6.8.3.2 Noise check .............................................................................................................................. 111
6.8.3.3 Stray light check ....................................................................................................................... 113
6.8.3.4 Absorbance check .................................................................................................................... 114
6.8.3.5 Drift check ................................................................................................................................. 115
6.8.3.6 Verification kit ........................................................................................................................... 116
6.8.4 Output checks ....................................................................................................................................... 118
6.8.5 Lamp history ......................................................................................................................................... 118
6.8.5.1 Factory service ......................................................................................................................... 118
6.8.6 Service time .......................................................................................................................................... 119
6.8.7 Instrument backup ................................................................................................................................ 120
Section 7 Maintenance ...................................................................................................................................... 123
7.1 Cleaning requirements ................................................................................................................................... 123
7.1.1 Spectrophotometer ............................................................................................................................... 123
7.1.2 Display .................................................................................................................................................. 123
7.1.3 Cuvettes/sample cells ........................................................................................................................... 123
7.2 Lamp replacement ......................................................................................................................................... 124
7.3 Filter pad maintenance .................................................................................................................................. 126
7.3.1 Filter pad replacement .......................................................................................................................... 126
Section 8 Troubleshooting ................................................................................................................................ 129
Section 9 Replacement Parts ............................................................................................................................ 131
Section 10 Contact Information ........................................................................................................................ 133
Section 11 Warranty, liability and complaints ................................................................................................. 135
Appendix A Pour-Thru Cell ...............................................................................................................................137
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Table of Contents
A.1 Pour-Thru module specifications ................................................................................................................... 137
A.1.1 Pour-Thru Cell Assembly ...................................................................................................................... 137
A.2 Installation of the Pour-Thru module ............................................................................................................. 139
A.3 Use of the Pour-Thru Cell .............................................................................................................................. 140
A.4 Pour-Thru Cell Maintenance .......................................................................................................................... 141
Appendix B Help Guide ..................................................................................................................................... 143
B.1 Installation of the Help Guide ........................................................................................................................ 143
B.2 Use of the Help Guide ................................................................................................................................... 143
B.2.1 View the help guide for stored programs .............................................................................................. 143
B.2.2 View the help guide for barcode programs ........................................................................................... 145
Appendix C HACH Data Trans .......................................................................................................................... 147
Appendix D Thermal printer .............................................................................................................................. 149
Index .................................................................................................................................................................... 151
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Section 1 Specifications
Specifications are subject to change without notice.
Performance specifications
Operating mode Transmittance (%), Absorbance and Concentration
Source lamp Gas-filled Tungsten (visible)
Wavelength range 320–1100 nm
Wavelength accuracy ± 1.5 nm (wavelength range 340–900 nm)
Wavelength reproducibility ≤ 0.1 nm
Wavelength resolution 1 nm
Wavelength calibration Automatic
Wavelength selection Automatic, based on method selection
Scanning speed ≥ 12 nm/s (in steps of 1nm)
Spectral bandwidth 5 nm
Photometric measuring range ± 3.0 Abs (wavelength range 340–900 nm)
Photometric accuracy
Photometric linearity
Stray light < 0.1% T at 340 nm with NaNO
Data log 1000 measured values (Result, Date, Time, Sample ID, User ID)
5 m Abs at 0.0 to 0.5 Abs
1% at 0.50 to 2.0 Abs
< 0.5% to 2 Abs
< = 1% at > 2 Abs with neutral glass at 546 nm
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User programs 50
Physical and environmental specifications
Width 368 mm (14.5 in.)
Height 144 mm (5.7 in.)
Depth 359 mm (14.1 in.)
Weight 6.4 kg (14.11 Ib)
Operating requirements 10–40 °C (50–104 °F), max. 80% relative humidity (non-condensing)
Storage requirements –40–60 °C (-40–140 °F) max. 80% relative humidity (non-condensing)
Additional technical data
Mains connection
Interfaces
Enclosure rating IP3X
Circuitry Classification
DR 3800 connected with:
External power supply: 100–240V/50–60Hz (input); 15V/30VA (output)
Use only screened cables with maximum length of 3 meters.
1 x USB type A
1 x USB type B
Instrument: Class III
System: Class II
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Specifications
8
Section 2 General Information
2.1 Safety information
Please read this entire manual before unpacking, setting up or
operating this equipment. Pay attention to all danger, warning and
caution statements. Failure to do so could result in serious injury to
the operator or damage to the equipment.
To ensure that the protection provided by this equipment is not
impaired, do not use or install this equipment in any manner other
than that specified in this manual.
2.1.1 Use of hazard information
DANGER
Indicates a potentially or imminently hazardous situation
which, if not avoided, will result in death or serious injury.
WARNING
Indicates a potentially or imminently hazardous situation
which, if not avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that may result in
minor or moderate injury.
2.1.2 Precautionary labels
This symbol, if noted on the instrument, references the instruction manual for operation and/or safety information.
Electrical equipment marked with this symbol may not be disposed of in European public disposal systems after
12 August of 2005. In conformity with European local and national regulations (EU Directive 2002/96/EC),
European electrical equipment users must now return old or end-of life equipment to the Producer for disposal at no
charge to the user.
Note: For return for recycling, please contact the equipment producer or supplier for instructions on how to return
end-of-life equipment, producer-supplied electrical accessories and all auxiliary items for proper disposal.
This symbol indicates that the instrument contains a Class 1 LASER device.
LASER CLASS 1
Data: 0.3 mW; l = 650 nm
Important Note: Indicates a situation which, if not avoided, may
cause damage to the instrument. Information that requires special
emphasis.
Note: Information that supplements points in the main text.
Read all labels and tags attached to the instrument. Personal injury
or damage to the instrument could occur if not observed. A symbol,
if noted on the instrument, will be included with a danger or caution
statement in the manual.
2.1.3 Class 1 LASER
A Class 1 LASER is installed in this instrument. Class 1 LASERS
are products where the radiant power of the LASER beam
accessible (the accessible emission) is always below the Maximum
Permissible Exposure value. Therefore, for Class 1 LASERS the
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General Information
2.1.4 Chemical and Biological Safety
output power is below the level at which it is believed eye damage
will occur. Exposure to the beam of a Class 1 LASER will not result
in eye injury. Class 1 LASERS may therefore be considered safe.
However, Class 1 LASER products may contain LASER systems of
a higher Class but there are adequate engineering control
measures to ensure that access to the beam is not reasonably
likely. Examples of such products include LASER printers and
compact disc players. CDRH assession number 0510555-02.
Data: 0.3 mW; wavelength = 650 nm
DANGER
Potential Chemical/ Biological Exposure Hazards. Handling
chemical samples, standards and reagents can be dangerous.
Users of this product are advised to familiarize themselves
with safety procedures and the correct use of chemicals, and
to carefully read all relevant Material Safety Data Sheets.
Normal operation of this instrument may involve the use of
hazardous chemicals or biologically harmful samples.
2.2 Overview of product
• The user must observe all cautionary information printed on the
original solution containers and safety data sheet prior to their
use.
• All waste solutions must be disposed in accordance with local
and national law.
• The type of protective equipment must be selected according to
the concentration and amount of the dangerous substance at
the specific workplace.
The DR 3800 Spectrophotometer is a VIS spectrophotometer with a
wavelength range of 320 to 1100 nm. The instrument comes with a
complete set of application programs and multi-language support.
The DR 3800 Spectrophotometer contains the following application
modes: Stored Programs (pre-installed tests), Barcode Programs,
User Programs, Favorite Programs, Single Wavelength Mode,
Multi-Wavelength Mode, Wavelength Scan and Time Course Mode.
The DR 3800 Spectrophotometer provides digital readouts in direct
concentration units, absorbance or percent transmittance.
When a user-generated or programmed method is selected, the
menus and prompts direct the user through the test.
10
This menu system can also generate reports, statistical evaluations
of generated calibration curves and to report instrument diagnostic
checks.
Section 3 Installation
3.1 Unpack the instrument
WARNING
Electrical and Fire Hazards. Use only the provided power
supply. Only qualified personnel should conduct the tasks
described in this section of the manual.
The DR 3800 Spectrophotometer comes packaged with the
following items:
• DR 3800 spectrophotometer
• Dust cover
• External power supply, including 4 adapter for EU, UK, USA
and AUS/China
• Adapter Box
• 3 different cuvette/sample cell adapters (A, B and C)
• Light shield (already installed in the instrument)
• DR 3800 user manual
• Quick start guide DR 3800
3.2 Operating environment
• CD-ROM containing the HACH and HACH LANGE procedures
Note: If any of these items are missing or damaged, contact the
manufacturer or a sales representative immediatly.
The following conditions are necessary to ensure correct
instrument operation and accurate results:
• Place the instrument firmly on an even surface. Do not push
any objects under the instrument.
• Maintain an ambient temperature of 10 to 40 ºC (50 to 104 ºF)
for proper instrument operation.
• The relative humidity should be less than 80%; moisture should
not condense on the instrument.
• Leave at least a 15 cm (6 in.) clearance at the top and on all
sides for air circulation to avoid overheating of electrical parts.
• Do not operate or store the instrument in extremely dusty,
damp or wet locations.
• Keep the surface of the instrument, the cell compartment and
all accessories clean and dry at all times. Splashes or spills on
and in the instrument should be cleaned up immediately (see
section 7.1 on page 123).
3.3 Power connections
Important Note: Protect the instrument from temperature
extremes, including heaters, direct sunlight and other heat sources.
Install the correct adapter plug on the supplied external power
supply (Figure 1) by sliding the adapter on until it "clicks" into
position. Correctly mounted, both housing of power supply and plug
are in line. Plug the external power supply cord into the connector
11
Installation
on the back panel of the instrument, then plug the supply into a
power outlet (100–240 V~ / 50–60 Hz). Press the power switch on
the back of the instrument to initialize power
(Figure 2 on page 13).
Figure 1 Power adapter
1 Power supply with EU adapter plug installed 3 USA adapter plug
2 UK adapter plug 4 AUS/China adapter plug
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3.4 Interfaces
Installation
The DR 3800 has two USB interfaces as a standard feature,
located on the back of the instrument (Figure 2). The USB Type A
interface is used for communications with a printer, USB memory
stick or keyboard. A USB memory stick is used to update
instrument software.
The USB Type B interface is used for communications with a PC.
The optional Hach Data Trans software (see Section 9 on
page 131) must be installed on the PC for this use.
A USB hub may be used to connect several accessories at a time.
Note: USB cables must not be longer than 3 meters (10 feet).
These USB interfaces enable data and graphics to be output to a
Printer and a PC and upgrade instrument software (see
section 6.8.2 on page 110).
Figure 2 Interfaces
1 USB type A 3 Plug in power supply
2 USB type B 4 On/Off switch
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Installation
3.5 Cell compartments, cuvette/sample cell adapters, light shield and Adapter Box
3.5.1 Cell compartments and adapters
The DR 3800 has two cell compartments (Figure 3). Only one
cuvette/sample cell type at a time can be used for a measurement.
Cell compartment #1
• 13-mm round cuvettes/cells
Note: Cell compartment #1 contains a barcode reader for
cuvettes/vials.
Cell compartment #2
Cell compartment #2 uses adapters to accommodate different
cuvette/sample cell types.
• 1-inch square or 50-mm rectangular cells (can be inserted
directly into the cell compartment without using an adapter).
• Adapter A: 10-mm square cuvettes/cells
• Adapter B: Pour-Thru and multi-path cells
Note: Pour-Thru Cell must be used with Adapter B, not Adapter C.
• Adapter C: One-inch round cells and AccuVac® Ampuls
Note: One-inch round cuvettes/cells and AccuVac Ampuls must be used
with Adapter C, not Adapter B.
Figure 3 Cell compartments
1 Cell compartment #1 2 Cell compartment #2
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Figure 4 Cuvette/sample cell adapters
1 Adapter A: 10 mm square cell adapter
2 Adapter B: 1 inch Pour-Thru and multi-path adapter
3 Adapter C: 1 inch round cuvette/sample cell adapter
Installation
3.5.2 Installation of the cuvette/sample cell adapters
1. Open the cell compartment.
2. Select the correct adapter for the cuvette/sample cell type.
3. Insert the adapter so the arrow on top of the adapter points to
the left (Figure 5) and the orientation tab fits the groove in the
compartment opening. The cuvette/sample cell type imprint
should be legible on the adapter (Figure 4).
Note: The arrow on top of the adapter indicates the direction of the light
beam path.
15
Installation
16
Figure 5 Installation of a cuvette/sample cell adapter
3.5.3 Use of the light shield for measurements
The light shield (Figure 6) prevents light interference when using
13 mm barcode tests and must be in place before measurements
can be taken in cell compartment #1. The light shield is required
only when using 13 mm barcode tests.
The DR 3800 is shipped with the light shield installed. Remove the
light shield before using cell compartment #2. The light shield can
be stored in the Adapter Box (Figure 8 on page 18).
Installation
Figure 6 Light shield
Installation of the light shield
1. Open the cell compartment.
2. Insert the light shield so the arrow on the light shield points to
the left and the orientation tab fits the groove in the
compartment opening (Figure 7)
1 Light shield
Figure 7 Light shield installed
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Installation
3.6 Adapter Box
The inside of the Adapter Box (Figure 8) can be used for the
storage of the three cuvette/sample cell adapters. The
cuvette/sample cell adapters recesses in the Adapter Box are
marked with the corresponding letters and arrows of the adapter.
The arrows indicate the direction of insertion. When a
cuvette/sample cell adapter is in use and removed from the cover,
The light shield can be stored in the Adapter Box.
Figure 8 Adapter Box
1 Adapter Box 3 Adapter Box with adapter A stored in position A
2 Adapter Box (inside view)
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3.7 Beam path
Installation
Figure 9 shows the beam path of the DR 3800.
Figure 9 Beam path
1 Tungsten lamp 9 Filter wheel
2 Entrance slit 10 Splitter mirror
3 Heat-protection glass 11 Reference-element
4 Grating 12 Cell compartment
5 LED 13 Lens
6 Chopper 14 Measurement element
7 Exit slit
8 Lens
15 Cell compartment #1
#2
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Installation
20
Section 4 Start Up
4.1 Power the instrument on and off
1. Plug external power supply into an electrical outlet.
2. Turn the instrument on by pressing the power switch on the
back.
Note: Do not turn the instrument off and on in rapid succession. Always
wait about 20 seconds before turning the instrument on again, otherwise
the electronic and mechanical systems will be damaged.
4.2 Language selection
The DR 3800 Spectrophotometer software includes several
language options. The first time the instrument is turned on, the
language selection screen will appear.
1. Select the desired language.
2. Press OK to confirm the language selection. The self check will
start automatically.
4.3 Self-Check
Changing the language setting
The instrument functions in the selected language until the option is
changed.
1. While turning the instrument on, touch the screen at any point
until the list for selecting a language appears (about
30 seconds).
2. Select the required language.
3. Press OK to confirm. The test program subsequently starts
automatically.
Each time the instrument is powered up, a series of diagnostic tests
are performed automatically to ensure operation of major system
components.
This procedure, which takes approximately two minutes, checks the
system, lamp, filter adjustment, wavelength calibration and voltage.
Each test which functions correctly is confirmed with a check mark.
The Main Menu is displayed when power up diagnostics are
completed.
Note: Further error messages during self check, see Section 8 on page
129.
21
Start Up
22
Section 5 Standard Operations
5.1 Overview
5.1.1 Tips for the use of the touch screen
The entire screen is touch-activated. To make a selection, press the
screen with a fingernail, fingertip, pencil eraser or a stylus. Do not
press the screen with a sharp object, such as the tip of a ball
point pen.
• Do not place anything on top of the screen, to prevent damage
or scratching on the screen.
• Press keys, words or icons to select them.
• Use scroll bars to move up and down long lists very quickly.
Press and hold the scroll bar, then move up or down to move
through the list.
• Highlight an item from a list by pressing it once. When the item
has been successfully selected, it will be displayed as reversed
text (light text on a dark background).
5.1.2 Use of the alphanumeric keypad
This display is used to enter letters, numbers and symbols as
needed when programming the instrument. Unavailable options are
disabled (grayed out). The icons on the right and left of the screen
are described in Table 1.
The central keypad changes to reflect the chosen entry mode.
Press a key repeatedly until the desired character appears on the
screen. A space can be entered by using the underscore on the
YZ_ key.
Note: A USB keyboard (with US keyboard layout) or a USB Barcode
handset scanner can be used for input (see Section 9 on page 131).
Table 1 Alphanumeric keypad
Icon / key Description Function
ABC/abc Alphabetic
# % Symbols Punctuation, symbols and numerical sub- and superscripts may be entered.
123 Numeric For entering regular numbers.
CE Clear Entry Clear the entry.
Left Arrow Backspace
Right Arrow Advance
When entering alphabetic characters (ex. user-entered units), this key allows to
toggle between upper and lower case letters.
Moves back one position. This deletes the character previously entered in the new
position.
Moves to the next space in an entry when two adjacent characters occur on the
same key.
23
Standard Operations
5.1.3 Main Menu
Option Function
A variety of modes may be selected from the Main Menu. The
following table briefly describes each menu option.
Table 2 Main Menu options
Stored Programs /
Barcode Programs
(HACH LANGE
Programs)
User Programs
Favorite Programs List of methods/tests created by the user to suit his own requirements.
Single Wavelength
Multi Wavelength
Wavelength Scan
Time Course The time scan records the absorbance or % transmittance at a wavelength over a defined time.
Stored programs are pre-programmed methods that make use of HACH reagents and LANGE
cuvette tests and pipette tests.
The DR 3800 Procedures Manual contains illustrated, step-by-step procedures for analyses
using HACH programs. The working procedures for LANGE tests are included in the test packs.
User programs make "made to measure analysis" possible:
–Users can program methods they have developed themselves
–Existing HACH and LANGE methods can be stored as user programs. The LANGE tests can
then be modified to suit the user's requirements.
Single wavelength measurements are:
Absorbance measurements: The light absorbed by the sample is measured in absorbance
units.
Transmittance measurements (%): The percentage of the light that passes through the sample
and reaches the detector is measured.
Concentration measurements: A concentration factor can be entered to enable the measured
absorbance values to be converted into concentration values.
In the multi-wavelength mode, absorbance (Abs) or percentage transmittance (%T) is measured
at up to four wavelengths and absorbance differences and absorbance relationships are
calculated. Simple conversions into concentrations can also be carried out.
A wavelength scan shows how the light from a sample is absorbed over a defined wavelength
spectrum.This function can be used to determine the wavelength at which the maximum
absorbance value can be measured.The absorbance behavior is displayed graphically during the
scan.
System Checks
Recall Data Stored data can be recalled, filtered, sent and deleted.
Instrument Setup
The system checks menu offers a number of options, including optical checks, output checks,
lamp history, instrument update, service time and instrument backup.
In this mode, user-specific or method-specific settings can be entered: Operator-ID, Sample-ID,
Date & Time, Display & Sound, Lamp Control, PC & Printer, Password and Select Color.
24
5.2 Instrument Setup mode
5.2.1 Operator ID
Standard Operations
1. Select Instrument Setup in the Main Menu.
A selection of functions appears in order to configure the functions
of the instrument.
Use this option to enter up to 30 sets of operator initials (up to five
characters each) into the instrument. This feature helps record
which operator measured each sample.
1. Press Operator ID in the Instrument Setup.
2. Press New to enter a new Operator ID.
3. Use the alphanumeric keypad to enter a new Operator ID.
4. Press OK to confirm.
Select one of the four preset color palett in the Select Color menu to
assign to the Operator ID.
5. Select a color category to highlight the color for the display
background.
Note: Press Cancel to select the default setting.
6. Press OK to confirm.
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Standard Operations
5.2.2 Sample ID
7. The display shows the chosen Operator ID.
8. Press OK. The instrument will return to the Instrument Setup
screen and show the selected operator identifier.
9. The chosen Operator ID is activated.
Note: Press Delete to remove an Operator ID from the list.
Note: Alternatively, enter or change an Operator ID in measurement mode.
In the results screen, press Options>More>Instrument Setup or if an
Operator ID is already assigned, select the "Operator ID symbol
immediately in the results screen.
Use this option to enter up to 100 Sample Identification tags (up to
13 characters each) into the instrument. Sample IDs can be used to
specify the sample location or other sample specific information.
1. Press Sample ID in the Instrument Setup.
2. Press New to enter a new Sample ID.
3. Use the alphanumeric keypad to enter a new Sample ID.
Note: If a USB Barcode handset scanner ( see Section 9 on page 131)
is connected, Sample IDs can also be scanned.
4. Press OK to confirm.
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Standard Operations
5. To number the Sample IDs sequentially (e.g. Inflow (01 etc.)),
select Add Number.
• Use the arrow keys to specify the first number of the
sequence.
• Use the key between the arrow keys to enter the first
number of the sequence using the alphanumeric keypad.
6. Press OK to return to "Instrument Setup".
7. The Sample ID is activated. Each Sample ID is automatically
numbered in ascending order after a measurement. The
number is shown in parentheses behind the Sample ID.
Note: To remove a Sample ID, highlight the ID and press Delete.
Note: A Sample ID can be entered or changed in measurement mode. In
the results screen, press Options>More>Instrument Setup
ID is already assigned, select the Sample ID symbol in the results screen.
. If a Sample
5.2.3 Date and time
1. Press Date & Time in the Instrument Setup.
2. The date and time are subdivided over a number of fields.
Press the appropriate field and use the arrow keys to change
the value.
3. Press OK to confirm. The instrument will return to
Instrument Setup.
27
Standard Operations
5.2.4 Display and sound preferences
1. Press Display & Sound in the Instrument Setup.
The following options will be displayed:
• Display Brightness—Adjusts the display brightness to suit
• Screen touch—Activates//Deactivates a short beep each time
• Reading done—Activates/Deactivates a sound when a
•Timer—Adjusts the length of the timer sound. Select Short or
2. Select Long to change the number of audio signals.
lighting conditions.
the screen is pressed (Default:off).
reading is complete (Default: short beep every time a reading is
complete).
Long. Long beeps are recommended for noisy environments.
5.2.5 Lamp control
Use the alphanumeric keypad to enter/specify the number of
audio signals (4–25).
Note: A high number of audio signals increases the duration of the
tones and a small number of audio signals reduces the duration of the
tones.
3. Press OK to confirm. The selected number of the audio signals
sounds as a corresponding acoustic signal.
4. Press OK to confirm. The instrument will return to
Instrument Setup.
The tungsten lamp produces light in the wavelength spectrum
320 to 1100 nm.
The life span of the halogen lamp depends on the burning duration.
In order to extend the life span of the lamp, switch on the Lamp
control:
• If the instrument is not used during a longer period
(1–12 hours).
• If the instrument will never be switched off.
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Standard Operations
1. Press Lamp Control in the Instrument Setup.
2. Select On to switch on the Lamp.
3. Select Save: in order to define a time interval for the burning
time of the lamp.
4. Press the field below Save to select the lamp burning time.
5. Select the length of time the lamp will be switched on.
Note: After this period of time the lamp will automatical turn off, after
no measurement has been made.
Note: The lamp will be restarted automatically for measurements.
6. Press OK to confirm.
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Standard Operations
5.2.6 PC and printer
The DR 3800 series is provided with 2 USB interfaces, which are
located on the back of the instrument (see Figure 2 on page 13).
These interfaces can be used for exporting data and graphics to a
printer, updating data and for data communication to a personal
computer. These interfaces can be used for the connection of a
USB stick, an external USB keyboard or a USB Barcode handset
scanner.
Note: A USB hub may be used to connect several accessories at a time.
A USB memory stick is used to upgrade data, see section 6.8.2 on
page 110.
Important Note: A screened USB cable must not be longer than
3m!
Table 3 USB connector
USB Interfaces Description
USB (Type B)
USB (Type A) This USB port can be used to connect a printer, a USB memory stick and keyboard.
This USB interface is only intended for the connection DR 3800 - PC (with installation of the
HACH Data Trans Software).
5.2.6.1 Printer setup
1. Press PC & Printer in the Instrument Setup.
A list with information about the connections opens.
For reasons of compatibility, the printer language must be
HP PCL 3.
2. Press Printer.
3. Press Setup to display the Printer Setup screen.
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