WIKA GDS-RC-HV Betriebsanleitung Seite 24

9. Specifications
Switch contacts
Electrical characteristics
EN
Minimum switching volta-
ge and current
Calibration pressure
Switching function
Circuits
Maximum number of
cycles
Insulation resistance
contact
Switch hysteresis
1)
Only up to an ambient temperature of 70 °C [158 °F].
At an ambient temperature of 70 ... 80 °C [158 ... 176 °F] the contacts may be operated with a maximum of 1 A.
2)
In accordance with BS 6134:1991, rate of pressure change 1 % of end value per second.
Permissible ambient conditions
Permissible ambient temperature
Operating temperature
Storage temperature
Maximum load
Minimum bursting
strength
Maximum overpressure
Ingress protection
Permissible air humidity
24
Switching voltage
≤ DC 30 V
≤ DC 50 V
≤ DC 75 V
≤ DC 125 V
≤ DC 250 V
≤ AC 125 V
≤ AC 250 V
12 V, 10 mA
First switch point below filling pressure
Change-over contact
Galvanically isolated
10,000 mechanical and electrical
> 100 MOhm
Measuring range
-1 ... +5 bar at 20 °C [68 °F]
-1 ... +7.5 bar at 20 °C [68 °F]
-1 ... +11.5 bar at 20 °C [68 °F]
Lower switch hysteresis on request
-40 ... +80 °C [-40 ... +176 °F], gaseous phase
-50 ... +80 °C [-58 ... 176 °F]
> 36 bar
1.43 times the measuring range
IP65, IP67
≤ 95 % r. h. (non-condensing)
Compensating diaphragm against condensation
Resistive load A Inductive load A
1) 1)
5 3
1 1
0,75 0.75
0,5 0.03
0,25 0.03
1) 1)
5 2
1) 1)
5 2
Hysteresis level
Typical < 90 mbar
Typical < 150 mbar
Typical < 220 mbar
2)
2)
2)