Safety; Explanation Of Symbols; Intended Use - WIKA TR12 Serie Manual De Instrucciones

1. Ex marking / 2. Safety
When there is a built-in transmitter and/or a digital display, the special conditions from the
type examination certificate (see chapter 4 "Special conditions for use (X conditions)")
apply.

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 following limit values and instructions (see data
sheet).
There are 3 different variants available:
Variant 1: The thermometer is fitted to a certified enclosure with "flameproof enclosure"
■
ignition protection type, which has a terminal block built into it.
Variant 2: The thermometer is fitted to a certified enclosure with "flameproof enclosure"
■
ignition protection type, which has an electronic assembly built into it.
Variant 3: The thermometer is fitted to certified equipment (transmitter) with an ignition
■
protection type of "flameproof enclosure".
The thermometer models TR12-B or TC12-B in variants 1 and 2 are fitted to Ex d certified
connection heads or connection housings from WIKA's 1/4000, 5/6000 or 7/8000 series.
These cases and covers are made from stainless steel or aluminium. The cover is
optionally available with a glass window.
Alternatively, the thermometers can be built into other certified cases (see approval
BVS 07 ATEX E 071 X, IECEx BVS 11.0042X "WIKA case and instrument listings").
Possible sensor measuring ranges:
Model TR12: -196 ... +600 °C
Model TC12: -40 ... +1,200 °C
WIKA additional information TR12/TC12, flameproof enclosure (Ex d)
EN
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