WIKA TR21-A Manual De Instrucciones página 29

13. Specifications
Conditions for outdoor use (for UL approval only)
The instrument is suitable for applications with pollution degree 3.
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The power supply must be suitable for operation above 2,000 m should the temperature
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transmitter be used at this altitude.
The instrument shall be installed in locations sheltered from the weather.
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The instrument shall be installed "sun/UV radiation protected".
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For further specifications see WIKA data sheets TE 60.26, TE 60.27 and TE 60.28 as well
as order documentation.
WIKA operating instructions model TR21
EN
29