Endress+Hauser Hart Cerabar PMP71B, Руководство по эксплуатации

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Cerabar PMP71B HART Technical data
Hauser 75
15.3 Process
Process temperature range Standard measuring device (without a diaphragm seal)
NOTICE
The permitted process temperature depends on the process connection, process seal,
ambient temperature and the type of approval.
‣
All the temperature data in this document must be taken into consideration when
selecting the measuring device.
0 32
20 68
40 104
60 140
80 176
100 212
125
257
100
212
80
176
70
158
40
104
20
68
0
32
-20
-4
-40
-40
T
a
T
p
°C
°F
°C °F
A0043292
 8 Values apply for vertical mounting without insulation.
T
p
Process temperature
T
a
Ambient temperature
Diaphragm seal fill fluid
Fill fluid P
abs
= 0.05 bar (0.725 psi)
1)
P
abs
≥1 bar (14.5 psi)
2)
Silicone oil –40 to +180 °C (–40 to +356 °F) –40 to +250 °C (–40 to +482 °F)
High-temperature oil –20 to +200 °C (–4 to +392 °F) –20 to +400 °C (–4 to +752 °F)
3) 4) 5)
Low-temperature oil –70 to +120 °C (–94 to +248 °F) –70 to +180 °C (–94 to +356 °F)
Vegetable oil –10 to +160 °C (+14 to +320 °F) –10 to +220 °C (+14 to +428 °F)
Inert oil –40 to +100 °C (–40 to +212 °F) –40 to +175 °C (–40 to +347 °F)
6) 7)
1) Permitted temperature range at p
abs
= 0.05 bar (0.725 psi) (observe temperature limits of the device and the system!)
2) Permitted temperature range at p
abs
≥1 bar (14.5 psi) (observe temperature limits of the device and the system!)
3) 325 °C (617 °F) at ≥1 bar (14.5 psi) absolute pressure
4) 350 °C (662 °F) at ≥1 bar (14.5 psi) absolute pressure (max. 200 hours)
5) 400 °C (752 °F) at ≥1 bar (14.5 psi) absolute pressure (max. 10 hours)
6) 150 °C (302 °F) at ≥1 bar (14.5 psi) absolute pressure
7) 175 °C (347 °F) at ≥1 bar (14.5 psi) absolute pressure (max. 200 hours)
Fill fluid Density
1)
kg/m
3
Silicone oil 970
High-temperature oil 995
Low-temperature oil 940