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Metrohm Dosimat plus 876

Metrohm Dosimat plus 876
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876 Dosimat plus
Manual
8.876.8003EN / 2019-12-05

Table of Contents

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Metrohm Dosimat plus 876 Specifications

General IconGeneral
BrandMetrohm
ModelDosimat plus 876
CategoryLaboratory Equipment
LanguageEnglish

Summary

1 Introduction

1.1 Instrument description

The 876 Dosimat plus is an all-purpose dosing device. Methods can be created and saved.

1.2 Intended use

The 876 Dosimat plus is designed for precise liquid dosing in laboratories and production companies.

1.3 About the documentation

Information on how the manual is structured, including symbols and conventions used throughout the document.

1.4 Safety instructions

General safety notes, electrical safety, tubing, flammable solvents, and disposal precautions for safe operation.

2 Overview of the instrument

2.1 876 Dosimat plus

Describes the front view of the 876 Dosimat plus instrument, identifying key components like piston rod and keypad.

2.2 Manual Dosing Controller

Details the Manual Dosing Controller, including its keys, status LED, and connection cable.

3 Installation

3.1 Setting up the instrument

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

3.2 Connecting a stirrer

Explains how to connect various Metrohm stirrers to the instrument.

3.3 Connecting the Manual Dosing Controller

Provides instructions for connecting the Manual Dosing Controller to the instrument's remote connector.

3.4 Connecting a balance

Details how to connect a balance using an RS-232/USB Box and appropriate cables.

3.5 Connecting a keyboard, printer and other USB devices

Guide on connecting USB devices like keyboards, printers, and USB sticks using the adapter.

3.6 Connecting instruments to the remote connector

Instructions for integrating the instrument into an automation system using a remote cable.

3.7 Connecting the 805 Dosimat

Explains how to connect an 805 Dosimat for tandem operation via the MSB socket.

3.8 Attaching the exchange unit

Step-by-step instructions for attaching the exchange unit to the 876 Dosimat plus.

3.9 Connecting the instrument to the power grid

Safety precautions and specifications for connecting the instrument to the power supply.

4 Operation

4.1 Switching the instrument on and off

Procedures for powering the instrument on, including initialization, and switching it off.

4.2 Fundamentals of operation

Explains the instrument's keypad functions and the structure of its dialog windows.

4.3 Methods

Covers creating, saving, loading, and exporting methods for different dosing procedures.

4.4 Stirrer operation

Instructions for controlling a connected stirrer, including setting stirring rate and operation.

4.5 Entering sample data

Details how to enter sample identification and size, including units, for calculations.

4.6 Preparing the buret unit (PREP)

Procedure for rinsing and filling the buret unit to ensure it is air bubble-free.

4.7 Printing a report manually

Guide on how to print results, parameters, or system reports manually from the instrument.

5 System settings

5.1 Basic settings

Configuration of general instrument settings like user name, instrument name, time, date, and language.

5.2 Managing solutions

How to manage solutions, including adding, editing, and deleting them for use with buret units.

5.3 File management

Operations related to managing files on a USB flash drive, including import, delete, backup, and restore.

5.4 Configuring external devices

Settings for PC/LIMS reports, printer types, keyboard layouts, and balance configurations.

5.5 Instrument diagnosis

Procedures for loading new software or language files and understanding diagnosis functions.

6 Parameters and dosing modes

6.1 Manual dosing (DOS)

Description of manual dosing mode, its use in titrations, and related parameters like dosing rate and volume.

6.2 Extended dosing (XDOS)

Details of extended dosing modes including fixed volume, time-controlled, and rate-based dosing.

8 Appendix

8.1 Exchange unit

Information on the exchange unit, including maximum dosing and filling rates and preparation parameters.

8.2 Stirring rate

How to adjust the stirring rate and the approximate rotational speed calculation for the internal stirrer.

8.3 Balance

Details on sending sample size and unit from a connected balance, including data format and handling.

8.4 USB devices

Information on USB peripheral devices, including keypads and keyboards, and their connection requirements.

8.5 System initialization

Procedure for initializing the instrument's file system, including data backup recommendations.

8.6 Remote interface

Pin assignment of the remote interface socket and plug, and status diagrams for remote control.

8.7 Pulse control

How to control the 876 Dosimat plus via pulse control using the remote interface.

8.8 Remote control via an RS-232 connection

Instructions for remote control of the instrument using an RS-232 connection and parameters.

9 Technical specifications

9.1 Dosing drive

Specifications for the dosing drive, including resolution, cylinder volumes, and accuracy standards.

9.2 Interfaces

Details on the available interfaces for connecting USB devices, stirrers, and remote instruments.

9.3 Power connection

Technical specifications for power connection, including supply voltage, frequency, and power consumption.

9.4 Ambient temperature

Specifies the nominal function range, storage, and transport temperature conditions.

9.5 Reference conditions

Defines the reference conditions for operation, including ambient temperature and relative humidity.

9.6 Dimensions

Physical dimensions of the instrument, including material of housing and display cover.

10 Accessories

Downloading the accessories list

Instructions on how to download the list of delivery and optional accessories from the Metrohm website.

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