WIKA SW15 User Manual
Page 5

GB
4. Technical Data
11433116 03/
009 GB/D
WIKA Operating Instructions Safety Temperature Alerter Model SW15
5
4. Technical Data
Ingress protection
Case IP 53, terminals IP 00 (EN 60 59 / IEC 59)
Display accuracy
Max. +4 % of the measuring range at the reference temperature of 3 °C at the
case and capillary.
Scale ranges
0 °C ... 400 °C
Permissible temperatures
Case:
+60 °C
Capillary:
plastic sheathed -40 °C ... +100 °C
copper braided -40 °C ... +350 °C
Scale limits
Max. 70 °p
Measuring principle
Bourdon tube system
Capillary
Plastic sheathed or copper braided,
capillary of copper or stainless steel 1.4571 depending on scale range
Capillary length
Max. 5 m
Capillary outlet
Lower back
Contact
1 Micro switch (fixed setting)
Load data
5 A, 50 V AC
There is no overcurrent protection fitted to these instruments. In order to
prevent the switches being welded through overload, a suitable protection
device should be fitted by the user.