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WIKA operating instructions process transmitter, model UPT-2x
14068347.01 06/2014 GB/D
GB
3. Specifications
3.3 Operating conditions
The process pressure transmitter is suitable for internal and external operation.
Direct exposure to sunlight is permitted.
Humidity
≤ 93 % r. h.
Ambient temperature
Instrument with display:
-20 ... +60 °C
Instrument without display:
-40 ... +80 °C
1)
1) Instrument with angular connector or circular connector: -30 ... +80 °C
Storage temperature
-40 ... +80 °C
Medium temperature
Oxygen application: -20 ... +60 °C
Model UPT-20: -40 ... +85 °C
-40 ... +105 °C at max. 40 °C ambient temperature
-40 ... +120 °C at max. 30 °C ambient temperature
Model UPT-21:
Depending on sealing, cooling element and ambient temperature
UPT-21 without cooling element:
85 °C at max. 80 °C ambient temperature
105 °C at max. 40 °C ambient temperature
120 °C at max. 30 °C ambient temperature
UPT-21 with cooling element:
85 °C at max. 80 °C ambient temperature
120 °C at max. 50 °C ambient temperature
150 °C at max. 40 °C ambient temperature
Sealing
Material
Medium temperature
NBR
-20 ... +105 °C
FKM
-20 ... +105 °C
FKM
-20 ... +150 °C
2)
EPDM
1)
-40 ... +105 °C
EPDM
1)
-40 ... +150 °C
2)
1) EPDM only with hygienic process connection
2) Process connection with cooling element
