Ex Marking; Supplementary Documentation - WIKA TR12 Serie Manual De Instrucciones

1. Ex marking

Supplementary documentation:

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This additional information for hazardous areas applies in conjunction with the
operating instructions "Resistance thermometer TR12 and thermocouple TC12"
(article number 14064370).
EN
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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Check whether the classification is suitable for the application. Observe the relevant
national regulations.
ATEX
IECEx
II 1/2G Ex db IIC T1 ... T6 Ga/Gb
II 2G Ex db IIC T1 ... T6 Gb
For applications without transmitters (digital displays) requiring instruments of equipment
group II (potentially explosive gas atmospheres), the following temperature class
classification and ambient temperature ranges apply:
Table 1
Marking
ATEX IECEx
II 1/2G Ex db IIC T1 ... T6
Ga/Gb
II 2G Ex db IIC T1 ... T6
Gb
1) The values in brackets apply to special designs. These probes are manufactured using special sealing compounds.
Moreover, they feature cases made of stainless steel and cable glands for low-temperature ranges.
4
Observe the safety instructions in this chapter and further explosion
instructions in these operating instructions.
Follow the requirements of the ATEX directive.
Observe the information given in the applicable type examination
certificate and the relevant regulations for installation and use in
hazardous areas (e.g. IEC 60079-11, IEC 60079-10 and IEC 60079-14).
Temperature
class
T1 ... T6
WIKA additional information TR12/TC12, flameproof enclosure (Ex d)
Ambient Max. surface temperature
temperature (T
range (T ) mowell tip
a
(-50) -40 ... +80 °C T
1)
self-heating
For this, the special conditions
must be observed (see
chapter 4 "Special conditions
for use (X conditions)").
) at the probe or ther-
max
(medium temperature) +
M