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Les langues disponibles
Les langues disponibles
9 Supplement
Ω
1000
750
500
1
250
14
16
18
Fig. 21: Voltage diagram
HART load
1
Voltage limit EEx-ia instrument
2
Voltage limit non-Ex instrument
3
Operating voltage
4
Electrical protective measures
Protection
Overvoltage category
Protection class
40
20
22
24
2
26
28
30
IP 66/IP 67
III
II
LEVEL TRANSMITTER 8177 • 4 ... 20 mA/HART
3
4
32
34
36
V
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