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Metrohm 855

Metrohm 855
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855 Robotic Titrosampler
Manual
8.855.8001EN / 2020-02-29

Table of Contents

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Metrohm 855 Specifications

General IconGeneral
ManufacturerMetrohm
InterfaceUSB
Power Supply100-240 VAC, 50/60 Hz
ApplicationAutomated titration
TypeRobotic Titration System

Summary

1 Introduction

1.1 The 855 Robotic Titrosampler in the Titrando system

Describes the role of the 855 Robotic Titrosampler within the modular Titrando system and its operation modes.

1.2 Instrument description

Details the different model versions, components, and intended use of the 855 Robotic Titrosampler.

1.2.1 Model versions

Details the different model versions of the 855 Robotic Titrosampler and their specific components.

1.2.2 Instrument components

Lists and describes the main components of the 855 Robotic Titrosampler, including the turntable, tower, pumps, and connectors.

1.2.3 Intended use

Specifies the intended application areas for the 855 Robotic Titrosampler in analytical laboratories and factories.

1.3 About the documentation

Explains the symbols, formatting, and conventions used throughout the manual for clarity and safety.

1.3.1 Symbols and conventions

Explains the symbols, formatting, and conventions used throughout the manual for clarity and safety.

1.4 Safety instructions

Provides comprehensive safety guidelines and warnings for operating the 855 Robotic Titrosampler.

1.4.1 General notes on safety

Provides general safety guidelines and warnings for operating the 855 Robotic Titrosampler.

1.4.2 Electrical safety

Outlines critical electrical safety measures, including warnings about opening the housing and qualified personnel.

1.4.3 Tubing and capillary connections

Addresses safety considerations for tubing and capillary connections, emphasizing leak prevention and regular checks.

1.4.4 Personnel safety

Details personal safety requirements, including protective gear and precautions when handling caustic liquids or glass vessels.

1.4.5 Flammable solvents and chemicals

Lists safety precautions when working with flammable solvents and chemicals, such as ventilation and avoiding ignition sources.

1.4.6 Recycling and disposal

Informs about the proper recycling and disposal procedures for the instrument according to European directives.

2 Overview of the instrument

2.1 Front and rear

Illustrates and labels the front and rear views of the 855 Robotic Titrosampler, identifying key components.

2.2 Back panel

Details the connectors and ports located on the back panel of the instrument, including USB and MSB connectors.

2.3 Sensor connectors

Explains the sensor connectors used for attaching electrodes and temperature sensors to the instrument.

2.4 Sample racks

Describes the function and types of sample racks compatible with the 855 Robotic Titrosampler, up to 48 cm diameter.

3 Installation

3.1 Setting up the instrument

Covers the initial steps for setting up the instrument, including packaging, checks, and selecting a suitable location.

3.1.1 Packaging

Instructions on handling and retaining the original packaging for safe transportation.

3.1.2 Checks

Guidance on checking the instrument shipment for completeness and damage upon receipt.

3.1.3 Location

Recommendations for placing the instrument in a suitable laboratory environment, avoiding hazards.

3.2 Preparing the Sample Processor

Steps to prepare the Sample Processor, focusing on connecting the instrument to the power grid.

3.2.1 Connecting the instrument to the power grid

Detailed instructions and safety warnings for connecting the 855 Robotic Titrosampler to the power supply.

3.3 Connecting a computer

Explains the process of connecting the 855 Robotic Titrosampler to a computer via USB for control and software installation.

3.4 Connecting the Swing Head

Instructions on how to connect the 786 Swing Head, including cable routing and tower configuration.

3.5 Configuring the robotic arm

Details how to configure robotic arms, including necessary data entry and examples of standard model versions.

3.6 Mounting the robotic arm

Provides instructions for mounting robotic arms, considering swing direction and limitation screw placement.

3.7 Robotic arms with beaker sensor

Describes robotic arms equipped with beaker sensors for detecting sample vessels and their functioning.

3.8 Installing the rinsing and aspiration equipment

Guides on mounting various tubings for rinsing electrodes and aspirating sample solutions.

3.9 Placing tubing and cables in the guide chain

Instructions on properly routing tubing and cables within the guide chain to prevent strain on drives.

3.10 Equipping the titration head

Steps for equipping the titration head, including installing rinsing tubings, aspiration tips, stirrers, and electrodes.

3.11 Connecting the tower stirrer

Explains how to connect rod or magnetic stirrers to the designated socket on the tower.

3.12 Connecting an external pump

Details how to connect external pumps for aspirating different types of media.

3.13 Connecting MSB devices

Covers connecting various peripheral devices using the Metrohm Serial Bus (MSB) connectors.

3.13.1 Connecting a dosing device

Step-by-step guide for connecting dosing devices like Dosino and Dosimat, including ferrite core requirements.

3.13.2 Connecting a stirrer or titration stand

Instructions for connecting magnetic stirrers and titration stands via MSB sockets.

3.13.3 Connecting a Remote Box

Explains how to connect a Remote Box for controlling instruments via remote lines.

3.14 Connecting USB devices

Describes connecting USB devices, including the instrument's function as a USB hub.

3.14.1 Connecting a barcode reader

Details connecting a USB barcode reader for inputting text and numerical data.

3.15 Mounting the base plate

Instructions for mounting a stand plate for applications requiring an external measuring cell.

3.16 Mounting the drip pan

Guides on installing a drip pan to prevent damage from spilled chemicals or liquids.

3.17 Attaching a sample rack

Steps for correctly attaching a sample rack to the turntable, including centering and fixing.

3.18 Mounting the safety shield

Emphasizes the mandatory installation of the safety shield before operating the instrument.

5 Troubleshooting

5.1 Sample Processor

Lists common problems related to the Sample Processor, their causes, and remedies.

5.2 Robotic arm

Addresses issues with the robotic arm's movement, Swing Head configuration, and rack position accuracy.

5.3 Pump

Discusses problems related to the pump, such as leaks and pressure issues, and provides solutions.

6 Appendix

6.1 Beaker sensor

Explains the function and usage of the beaker sensor for detecting sample vessels on single-row sample racks.

6.2 Rinsing nozzles

Describes the two available model versions of rinsing nozzles for efficient vessel rinsing and cleaning.

6.3 Remote interface

Details the 6.2148.010 Remote Box for controlling devices not directly connectable to the MSB interface.

6.4 Stirring rate

Explains how to adjust the stirring rate and provides a formula for calculating rotational speed.

6.5 Robotic arms

Provides configuration data and descriptions for various titration robotic arms.

6.5.1 Robotic arms for titration

Presents detailed configuration data and specifications for robotic arms used in titration applications.

6.5.2 Robotic arms for sample preparation

Lists configuration data for robotic arms designed for sample preparation tasks like pipetting and dilution.

6.5.3 Robotic arms for special applications

Details robotic arms designed for specialized tasks, such as sample preparation with Polytron or handling vessel covers.

6.3.1 Pin assignment of the remote interfaces

Provides pin assignment details for Metrohm remote interfaces, applicable to Remote Box and D-Sub connectors.

4 Operation and maintenance

4.1 General notes

Provides general guidelines for operating and maintaining the 855 Robotic Titrosampler, stressing the importance of cleanliness.

4.2 Care

Specific recommendations for the care of the instrument, including checking tubing connections and rinsing.

7 Technical specifications

7.1 Measuring interface

Details the galvanically isolated measuring interface, including potentiometry and polarizer specifications.

7.1.1 Potentiometry

Covers the potentiometry measuring input for pH, redox, or ISE electrodes and reference electrodes.

7.1.2 Polarizer

Describes the measuring input for polarizable electrodes, detailing polarization current and voltage measurements.

7.1.3 Temperature

Explains the temperature measuring input for Pt1000 or NTC sensors and automatic temperature compensation.

7.2 Lift and turntable

Specifies the stroke path, maximum lift load, lift rate, and turntable speed of the instrument.

7.3 Membrane pump(s) with valve

Provides technical details for the membrane pump(s), including flow rate and pressure head.

7.4 786 Swing Head

Lists the technical specifications for the 786 Swing Head, including maximum load, swing rate, and sensor connector.

7.5 Interfaces and connectors

Details the various interfaces and connectors on the instrument, such as USB, MSB, stirrer, and pump connectors.

7.6 Power connection

Specifies the voltage, frequency, power consumption, and fuse rating for the instrument's power connection.

7.7 Ambient temperature

Outlines the nominal function range, storage, and transport temperature conditions for the instrument.

7.8 Reference conditions

Defines the standard reference conditions for temperature and relative humidity for accurate measurements.

7.9 Dimensions

Provides the physical dimensions (width, height, depth) and weights for different model versions of the instrument.

8 Accessories

Downloading the accessories list

Instructions on how to find and download the list of available accessories for the product from the Internet.

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