User Manual
2
WARNING, risk of DANGER! The operator must refer to these instructions whenever this danger symbol appears.
Information or useful tip.
Battery.
Magnet.
The product is declared recyclable following an analysis of the life cycle in accordance with standard ISO 14040.
Chauvin Arnoux has adopted an Eco-Design approach in order to design this appliance. Analysis of the complete life-
cycle has enabled us to control and optimize the effects of the product on the environment. In particular this appliance
exceeds regulation requirements with respect to recycling and reuse.
The CE marking indicates conformity with European directives, in particular LVD and EMC.
The rubbish bin with a line through it indicates that, in the European Union, the product must undergo selective disposal
in compliance with Directive WEEE 2002/96/EC. This equipment must not be treated as household waste.
PRECAUTIONS FOR USE
This instrument is compliant with safety standard IEC 61010-2-030, for voltages up to 5V with respect to ground. Failure to observe
the safety instructions may result in electric shock, re, explosion, and destruction of the instrument and of the installations.
The operator and/or the responsible authority must carefully read and clearly understand the various precautions to be taken in
use. Sound knowledge and a keen awareness of electrical hazards are essential when using this instrument.
Observe the conditions of use, namely the temperature, the relative humidity, the altitude, the degree of pollution, and the place
of use.
Do not use the instrument if it seems to be damaged, incomplete, or poorly close.
Before each use, check the condition of the housing and accessories. Any item of which the insulation is deteriorated (even par-
tially) must be set aside for repair or scrapping.
Do not make measurements on bare live conductors. Use a non-contact sensor or a sensor that provides the necessary electrical
insulation.
Always wear personal protective equipment (PPE), in particular insulating gloves, if there is any doubt or it is impossible to measure
the voltage levels to which the temperature sensor is connected.
All troubleshooting and metrological checks must be done by competent, accredited personnel.
Thank you for purchasing this C.A 1821 or C.A 1822 thermocouple thermometer or C.A 1823 resistance thermometer.
For best results from your instrument:
read these operating instructions carefully,
comply with the precautions for use.










