WIKA TR21 Serie Informations Complémentaires page 7

2. Safety
2. Safety
2.1 Explanation of symbols
DANGER!
... indicates a potentially dangerous situation in the hazardous area that can
result in serious injury or death, if not avoided.
2.2 Intended use
The thermometers described here are suitable for temperature measurement in hazardous
areas.
The non-observance of the instructions for use in hazardous areas can lead to the loss
of the explosion protection. Adhere to the limit values and instructions (see chapter 3.4
"Electrical connection values").
Neither repairs nor structural modifications are permitted, and any would void the
guarantee and the certification.
Substitution of components may impair intrinsic safety.
2.3 Responsibility of the operator
The responsibility for classification of zones lies with the plant operator and not the
manufacturer/supplier of the equipment.
2.4 Personnel qualification
The skilled electrical personnel must have knowledge of ignition protection types,
regulations and provisions for equipment in hazardous areas.
WIKA additional information model TR21 (Ex i)
EN
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