3. Specifications
3.6 Operating conditions
Ingress protection (per IEC 60529)
The ingress protection depends on the type of electrical connection.
Circular connector M12 x 1:
■
Metri-Pack series 150:
■
Cable outlet:
■
The stated ingress protection only applies when plugged in using mating connectors that have the
appropriate ingress protection.
Temperatures
Medium:
-40 ... +100 °C
■
Ambient:
-25 ... +85 °C
■
Storage:
-25 ... +85 °C
■
Resistance
The pressure transmitter is resistant to the refrigerants R12, R22, R134a, R404a, R407c, R410a, R502,
R507.
Resistance to further refrigerants on request.
3.7 Electrical connections
Short-circuit resistance
S
vs. 0V
+
Reverse polarity protection
U
vs. 0V
B
WIKA operating instructions pressure transmitter model AC-1
IP 67
IP 67
IP 69K
-40 ... +212 °F
-13 ... +185 °F
-13 ... +185 °F
GB
13