WIKA DPT-10 User Manual
Page 11
The configuration of the measuring cells differs depending on the
measuring range:
1
2
3
4
5
1
p
2
p
Fig. 7: Metallic measuring cell 10 mbar and 30 mbar - p
1
and p
2
process
pressures
1
Measuring element
2
Silicone diaphragm
3
Separating diaphragm
4
Filling oil
5
Integrated overvoltage arrester
1
p
2
p
1
2
3
4
Fig. 8: Metallic measuring cell from 100 mbar - p
1
and p
2
process pressures
1
Measuring element
2
Overload diaphragm/Middle diaphragm
3
Filling oil
4
Separating diaphragm
Power is supplied via the H1 Fieldbus. A two-wire cable according to
Fieldbus specification serves as carrier of both power and digital data
for multiple sensors. This cable can be operated in two versions:
l
via an H1 interface card in the control system and additional power
supply
l
via a Linking device with HSE (High speed Ethernet) and
additional power supply according to IEC 61158-2
Power supply and bus
communication
Differential pressure transmitter DPT10 - metal measuring diaphragm • Foundation Fieldbus
11
3 Product description
37246
-
EN
-100120