Mettler Toledo R4, R5 Instruction Manual
User Manual
Refractometer Excellence
R4/R5
Table of Contents
1 Introduction 3
2 Safety information 3
2.1 Definitions of signal words and warning symbols................................................ 3
2.2 Product specific safety notes ............................................................................. 4
3 Design and function 5
3.1 Overview refractometer ..................................................................................... 5
3.2 Rear panel ...................................................................................................... 6
3.3 Terminal ......................................................................................................... 7
4 Installation and commissioning 7
4.1 Scope of delivery ............................................................................................. 7
4.2 Download the Reference Manual ....................................................................... 8
4.3 Unpack the refractometer .................................................................................. 8
4.4 Position the refractometer ................................................................................. 8
4.5 Connect the refractometer to the power supply..................................................... 9
4.6 Disconnect the refractometer from the power supply............................................. 9
4.7 Connect, adjust and disconnect the terminal ....................................................... 10
4.7.1 Connect the terminal.......................................................................... 10
4.7.2 Adjust the angle of the terminal........................................................... 10
4.7.3 Disconnect the terminal ..................................................................... 10
4.8 Install accessories ........................................................................................... 10
5 Operation 11
5.1 Start up the refractometer .................................................................................. 11
5.2 Shut down the refractometer.............................................................................. 11
5.3 Typical phases of refractive-index determinations ................................................ 11
5.3.1 Fill the measuring cell........................................................................ 11
5.3.2 Rinse the measuring cell.................................................................... 11
5.3.3 Dry the measuring cell....................................................................... 12
5.4 Example: refractive-index determination without automation ................................. 12
5.4.1 Create the measurement method......................................................... 12
5.4.2 Configure the measurement method .................................................... 13
5.4.3 Create a shortcut on the home screen.................................................. 14
5.4.4 Determine the refractive index ............................................................. 14
6 Maintenance 16
6.1 Maintenance schedule...................................................................................... 17
6.2 Clean the refractometer..................................................................................... 17
6.2.1 Clean the housing and the lid............................................................. 17
6.3 Clean the measuring cell .................................................................................. 17
6.3.1 Typical phases of cleaning the measuring cell...................................... 17
6.3.2 Example: clean with deionized water................................................... 18
6.3.2.1 Create the cleaning method ........................................................... 18
6.3.2.2 Configure the cleaning method ...................................................... 19
6.3.2.3 Clean using deionized water.......................................................... 19
6.4 Check the measurement accuracy ..................................................................... 21
6.4.1 Typical phases of checking the measurement accuracy ......................... 21
6.4.2 Example: test with a water standard.................................................... 21
6.4.2.1 Create the test method .................................................................. 21
6.4.2.2 Configure the test method.............................................................. 22
6.4.2.3 Perform the test............................................................................ 23
6.5 Replace the protection plate .............................................................................. 25
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6.5.1 Remove the protection plate ............................................................... 25
6.5.2 Install the protection plate .................................................................. 26
6.6 Replace the lid ................................................................................................ 26
6.6.1 Remove the lid.................................................................................. 26
6.6.2 Install the lid..................................................................................... 27
6.7 Replace the measuring-cell cover ...................................................................... 27
6.7.1 Remove the measuring-cell cover ....................................................... 27
6.7.2 Install the measuring-cell cover .......................................................... 28
6.8 Replace the measuring-cell O-ring ..................................................................... 28
6.8.1 Remove the measuring-cell O-ring ...................................................... 28
6.8.2 Install the measuring-cell O-ring ......................................................... 29
6.9 Replace the O-ring of the measuring-cell cover.................................................... 29
6.9.1 Remove the O-ring of the measuring-cell cover..................................... 29
6.9.2 Install the O-ring of the measuring-cell cover........................................ 30
6.10 View the firmware version................................................................................. 30
6.11 Prepare the refractometer for storage.................................................................. 30
6.12 Transport the refractometer................................................................................ 30
6.13 Dispose of the refractometer.............................................................................. 31
7 Technical data 31
7.1 Refractometer .................................................................................................. 31
7.2 Terminal ......................................................................................................... 32
7.3 Measurement .................................................................................................. 32
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1 Introduction
Thank you for choosing a METTLER TOLEDO refractometer. The refractometers R4 and R5 are easy-to-operate,
high-performance instruments for measuring the refractive index of liquid samples.
About this document
This document provides you with the information you need to get started with your METTLER TOLEDO refractometer.
The instructions in this document refer to refractometers R4 and R5 running firmware version 1.0 or higher.
For a full description of the refractometer and its functions, refer to the Reference Manual supplied
online.
u www.mt.com/library
If you have any additional questions, contact your authorized METTLER TOLEDO dealer or service representative.
u www.mt.com/contact
Conventions and symbols
Refers to an external document.
Elements of instructions
Prerequisites
§
1 Steps
2 ...
ð Intermediate results
ð Results
2 Safety information
Two documents named "User Manual" and "Reference Manual" are available for this instrument.
• The User Manual is printed and delivered with the instrument.
• The electronic Reference Manual contains a full description of the instrument and its use.
• Keep both documents for future reference.
• Include both documents if you transfer the instrument to other parties.
Only use the instrument according to the User Manual and the Reference Manual. If you do not use the
instrument according to these documents or if the instrument is modified, the safety of the instrument may be
impaired and Mettler-Toledo GmbH assumes no liability.
User Manual and Reference Manual are available online.
u www.mt.com/library
2.1 Definitions of signal words and warning symbols
Safety notes contain important information on safety issues. Ignoring the safety notes may lead to personal
injury, damage to the instrument, malfunctions and false results. Safety notes are marked with the following
signal words and warning symbols:
Signal words
WARNING
A hazardous situation with medium risk, possibly resulting in death or severe injury if not
avoided.
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CAUTION
NOTICE
A hazardous situation with low risk, resulting in minor or moderate injury if not avoided.
A hazardous situation with low risk, resulting in damage to the instrument, other material
damage, malfunctions and erroneous results, or loss of data.
Warning symbols
Electrical shock
Hot surface
2.2 Product specific safety notes
Intended use
The refractometers R4 and R5 are designed to be used by trained staff. The refractometers are intended for
measuring the refractive index of liquid samples that are compatible with the materials with which they come into
contact.
Any other type of use and operation beyond the limits of use stated by Mettler-Toledo GmbH without consent from
Mettler-Toledo GmbH is considered as not intended.
Responsibilities of the instrument owner
The instrument owner is the person holding the legal title to the instrument and who uses the instrument or
authorizes any person to use it, or the person who is deemed by law to be the operator of the instrument. The
instrument owner is responsible for the safety of all users of the instrument and third parties.
METTLER TOLEDO assumes that the instrument owner trains users to safely use the instrument in their workplace
and deal with potential hazards. METTLER TOLEDO assumes that the instrument owner provides the necessary
protective gear.
Protective clothing
Gloves that protect your hands from contact with hot or cold surfaces.
Safety notes
WARNING
Danger of death or serious injury due to electric shock!
Contact with parts that carry a live current can lead to death or injury.
1 Only use the METTLER TOLEDO power supply cable and AC adapter designed for your
instrument.
2 Connect the power cable to a grounded power outlet.
3 Keep all electrical cables and connections away from liquids and moisture.
4 Check the cables and the power plug for damage and replace damaged cables and power
plugs.
CAUTION
Slight burns due to hot surface
The measuring cell can become hot enough to cause slight burns.
1 Do not touch the measuring cell without gloves before the measuring cell has cooled down.
2 Wear gloves that protect from contact heat if you need to touch the hot measuring cell.
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NOTICE
1
6
7
8
9
3
4
2
5
Risk of damage to the instrument due to the use of unsuitable parts!
Using unsuitable parts with the instrument can damage the instrument or cause it to malfunction.
− Only use parts from METTLER TOLEDO that are intended to be used with your instrument.
FCC Rules
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part
15 of the FCC rules. 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.
3 Design and function
3.1 Overview refractometer
No. Name Function
Lid Protects the measuring cell
1
Measuring-cell cover Closes off the measuring cell and permits the formation of a stable vapour-
2
Measuring cell Holds the sample
3
Prism Refracts the light at its surface
4
Safety label Warns that the measuring cell can be hot and cause slight burns if you touch
5
Terminal Displays information and is used to enter information
6
Power button Starts up and shuts down the refractometer
7
Instrument status light
8
(StatusLight™)
Protection plate Collects spilled sample or cleaning solution
9
liquid equilibrium
it without protective gloves
Provides information about the status of the refractometer.
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Status light
1
13 11 234567891012
StatusLight Refractometer status
Steady, green light The refractometer is ready for operation.
Blinking, green light The refractometer is performing a task.
Steady, orange light The refractometer waits for the user to perform an action.
Blinking, orange light The task has been interrupted, for example because a value lies outside of its
Steady,red light An error has occurred during task execution.
limits.
3.2 Rear panel
No. Name Function
Fan and ventilation
1
openings
2 CAN out
3 Power Supply
4 USB 1 / USB 2
5 PC
6 SPR200
7 Terminal
8 DryPro
9 Ethernet
10 Aux
11 Automation
12 LevelSens
13 ErgoSens
Move air over the heat sink of the Peltier element
RJ12 socket to connect a LevelSens box
DC Socket to connect the AC adapter
USB-A socket to connect USB devices, for example printers, barcode readers
or an InMotion™ Autosampler
USB-B socket to connect a computer
6-pin Mini-DIN socket to connect the filling pump SPR200
19-pin Mettler-HDMI socket with non-standard pin assignment, reserved to
connect the terminal and no other display device
5-pin Mini-DIN socket to connect the drying pump DryPro
RJ45 socket to connect a network
5-pin Mini-DIN socket to connect an auxiliary instrument
9-pin male D-sub socket to connect a sample delivery and cleaning unit
5-pin Mini-DIN socket to connect the fluid-level sensor LevelSens
3.5mm jack socket to connect the infrared motion-sensor ErgoSens
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3.3 Terminal
1
2
3
456
No. Name Function
Touch screen Displays information and can be used to enter information
1
USB-A socket Is used to transfer data to and from a USB flash drive
2
Terminal status light
3
(StatusLight™)
4
Provides information about the status of the refractometer
Opens a window with general information about the refractometer
5
6
Opens the home screen
Ends all running tasks
4 Installation and commissioning
4.1 Scope of delivery
Part Order number R4 R5
Refractometer – • •
Extern. Power Supply 120W 30298362 • •
Power cable (country-specific) – • •
Terminal WVGA 7inch AnaChem
• Terminal
• HDMI cable
Combined water standard
9mL, density/refractive index
Plastic pipettes (3 pcs)
PP (polypropene)
– • •
51338010 • •
– • •
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Part Order number R4 R5
User Manual – • •
Declaration of conformity – • •
Test report – • •
4.2 Download the Reference Manual
1 Go to the website www.mt.com/library.
2 Select the Technical Documentation tab.
3 Enter the product type in the search field and start the search.
4 Select the Reference Manual from the result list.
5 Select the link.
ð The Reference Manual is either opened or downloaded depending on the browser settings.
6 Check which firmware version is installed on your refractometer.
7 If the Reference Manual is not written for the installed firmware version, contact your authorized METTLER
TOLEDO dealer or service representative.
u www.mt.com/contact
See also
2 Introduction}Page3
2 View the firmware version}Page30
4.3 Unpack the refractometer
1 Remove the refractometer from the protective packaging.
2 Store the packing material for later transport over long distances.
3 Check if you received all parts listed in the scope of delivery.
4 Inspect the parts visually for flaws or damage.
5 If parts are missing or damaged, report it to your authorized METTLER TOLEDO dealer or service represen-
tative.
u www.mt.com/contact
See also
2 Scope of delivery}Page7
4.4 Position the refractometer
The refractometer has been developed for indoor operation in a room with stable temperature and ventilation as
needed by the chemicals that are used.
The following site requirements apply:
• Dew point below the measurement temperature
• Ambient conditions within the limits specified in the technical data
• No powerful vibrations
• No direct sunlight
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• No corrosive gas atmosphere
1
• No explosive atmosphere
• No powerful electric or magnetic fields
Procedure
1 Place the refractometer on a level surface.
2 Make sure that there are at least 15 cm clearance behind the refractometer.
3 Make sure that nothing blocks the ventilation openings at back of the refractometer.
See also
2 Technical data}Page31
4.5 Connect the refractometer to the power supply
The AC adapter is suitable for all supply line voltages ranging from 100...240 V AC and 50/60 Hz.
WARNING
Danger of death or serious injury due to electric shock!
Contact with parts that carry a live current can lead to death or injury.
1 Only use the METTLER TOLEDO power supply cable and AC adapter designed for your
instrument.
2 Connect the power cable to a grounded power outlet.
3 Keep all electrical cables and connections away from liquids and moisture.
4 Check the cables and the power plug for damage and replace damaged cables and power
plugs.
NOTICE
Danger of damage to the AC adapter due to overheating!
If the AC adapter is covered or in a container, it is not sufficiently cooled and overheats.
1 Do not cover the AC adapter.
2 Do not put the AC adapter in a container.
1 Install the cables in such a way that they cannot be damaged or interfere with operation.
2 Insert the plug of the power cable in the socket of the AC adapter.
3 Insert the plug of the AC adapter in the Power Supply(1)
socket on the rear panel.
4 Insert the plug of the power cable in a grounded power
outlet that is easily accessible.
4.6 Disconnect the refractometer from the power supply
The refractometer is shut down.
§
1 Pull the plug of the power cable out of the power outlet.
2 Pull the plug of the AC adapter out of the Power Supply socket on the rear panel.
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