Hach 3798-S sc, User Manual

7

Section 3

General safety instructions

Prior to unpacking, commissioning or operating the instrument, read all of this 
manual.

Please pay particular attention to all instructions on hazards and safety. Otherwise 
there is a risk of serious injury to the operator or damage to the instrument, or 
pollution. 

The sensor is only allowed to be installed and used as per the instructions in this 
manual.

3.1 Possible sources of hazards

During the operation or calibration of the sensor, there exist the following sources 
of hazards if the safety instructions are not observed:

•

Potentially hazardous materials (buffer solutions, flow of sample)

In all circumstance observe the safety data sheets and the applicable health and 
safety instructions.

3.2 Safety symbols

All stickers and labels on the instrument are to be observed. Otherwise injuries, 
pollution or damage to the instrument may occur.

This symbol, if present on the instrument, refers to information in the operating instructions on safe operation and / or 
instructions that provide safety information.

This symbol, if present on a housing or a protective cover, identifies the risk of an electric shock (which may under 
certain circumstances be fatal). Only personnel qualified for working on hazardous voltages are allowed to open the 
enclosure or remove the protective cover.

This symbol, if present on the instrument, identifies the location of a fuse or current limit.

This symbol, if present on the instrument, identifies a part that may become hot and must not be touched without 
taking precautions.

This symbol, if present on the instrument, indicates the presence of components that could be damaged by 
electrostatic discharge. Appropriate precautions are to be taken.

This symbol, if present on the instrument, indicates the presence of dangerous chemical substances. Chemicals are 
only allowed to be handled and maintenance on devices for supplying chemicals is only allowed to be performed by 
personnel qualified and trained for working with chemicals.