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4 safety information, 1 electrical safety, 2 general safety rules – Metrohm 833 IC Liquid Handling Unit User Manual

Page 18: Safety information, Electrical safety, General safety rules

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1 Introduction

833 IC Liquid Handling Unit / Instructions for Use 8.833.1003

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1.4 Safety

information

1.4.1 Electrical

safety

Electrical safety when handling the 833 IC Liquid Handling Unit is

guaranteed within the scope of Standard IEC 1010-1 (protection class

1, protection code IP40). The following points must be observed:

Mains connection

The

mains connection must be made in accordance with the

instructions given in Section 2.2.

Opening the instrument

The housing contains no components which could be set or adjusted

by the user .

When the 833 IC Liquid Handling Unit is connected to the mains

supply the instrument must not be opened, nor should any of its

components be dismantled as otherwise you could come into contact

with current-carrying components. Before opening the instrument

separate it from all current sources and make sure that

mains cable

has been removed from mains connection socket

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!

Protection against electrostatic charges

Electronic components are sensitive to electrostatic charges and can

be destroyed by a discharge. Before you touch any electronic

components of the 833 IC Liquid Handling Unit you should ground

you and your tools by grasping a grounded object (e.g. the instrument

housing or a radiator) in order to eliminate any electrostatic charges

that may be present.

1.4.2

General safety rules

Solvent handling

Check the pump tubing and inlet and outlet connections for leaks at

regular intervals. Observe the relevant regulations when handling and

disposing of flammable and/or toxic solutions.

Regular replacement of pump tubing

Pump tubing is a consumable and must be replaced from time to

time (see Section 9.2.4). Take suitable measures to ensure that any

leak in the pump tubing or connections during unattended and

continuous operation cannot cause any damage (placing the

instrument in a low position, collection trough for escaping liquid).