Siemens SITRANS P500, Руководство по эксплуатации, Страница: 49 / 238

Install
4.7 "Remote seal" installation
SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
49
Installation type G
Pressure transmitter for differential
pressure above the upper measuring
point, no vacuum
H
1
≤ 7 m (23 ft), for halocarbon oil, however only
H1 ≤ 4 m(13.1 ft)
Start of scale value:
p
MA
= ρ
FL
* g * H
U
- ρ
oil
* g * H
V
Full scale value:
p
ME
= ρ
FL
* g * H
O
- ρ
oil
* g * H
V
Installation type H
Below the lower measuring point
Start of scale value:
p
MA
= ρ
FL
* g * H
U
- ρ
oil
* g * H
V
Full scale value:
p
ME
= ρ
FL
* g * H
O
- ρ
oil
* g * H
V
Installation type J
Between the measuring points, no
vacuum
H
2
≤ 7 m (23 ft), for halocarbon oil, however only
H1 ≤ 4 m(13.1 ft)
Start of scale value:
p
MA
= ρ
FL
* g * H
U
- ρ
oil
* g * H
V
Full scale value:
p
ME
= ρ
FL
* g * H
O
- ρ
oil
* g * H
V