EN
14302226.02 10/2020 EN/DE/FR/ES
WIKA additional information TC82, TC83, flameproof enclosure (Ex d)4
1. Ex marking
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents may result in the
loss of explosion protection.
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Observe the safety instructions in this chapter and further explosion
instructions in these operating instructions.
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Follow the requirements of the ATEX directive.
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Observe the information given in the applicable type examination
certificate and the relevant regulations for installation and use in
hazardous areas (e.g. IEC 60079-0, IEC 60079-1, IEC 60079-10 and
IEC 60079-14).
Check whether the classification is suitable for the application. Observe the relevant
national regulations.
With case and connection terminals With separately certified transmitter
ATEX: II 2/-G Ex db IIC T6 ...T1 Gb/- II 2/-G Ex db IIC Gb
IECEx: Ex db IIC T6 ...T1 Gb/- Ex db IIC Gb/-
Variant Electrical
data
Temperatures Marking
Ambient 1) Temperature class
Variant 1:
Empty
enclosure
Umax = 30 V -40 ... +85 °C
-60 ... +85 °C
T5 ...T1 II 2/-G Ex db IIC T5-T1 Gb/-
-40 ... +80 °C
-60 ... +80 °C
T6 II 2/-G Ex db IIC T6 Gb/-
Variant 2:
Empty
enclosure
+ electro-
nic
Umax = 30 V
Pmax = 2 W
-40 ... +85 °C
-60 ... +85 °C
T4 ...T1 II 2/-G Ex db IIC T4-T1 Gb/-
-40 ... +75 °C
-60 ... +75 °C
T5 II 2/-G Ex db IIC T5 Gb/-
-40 ... +55 °C
-60 ... +55 °C
T6 II 2/-G Ex db IIC T6 Gb/-
Variant 3:
Transmitter
See
transmitter 3)
See transmitter 3) See transmitter 3) II 2/-G Ex db IIC Gb/-
1) For variant 1 and 2: The low ambient temperature -40 °C applies to models with Limatherm or Rosemount cases.The low ambient
temperature of either -40 °C or -60 ° C applies to models with WIKA connection head series 1/4000, 5/6000, 7/8000. For explanation
of symbols for low temperature range see chapter 2.5 “Labelling, safety marks”
2) The temperature class depends on the ambient temperature.
3) The parameters for “Variant 3: Transmitter” have to be taken out of the related manual.
1. Ex marking
Supplementary documentation:
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This additional information for hazardous areas applies in conjunction with the
operating instructions “Resistance thermometers (RTD) and thermocouples (TC)”
(article number 14150915).
