Wika IPT-11 Manual de usuario Pagina 48

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Protection
- unassembled IP 20
- mounted into the sensor without cover IP 40
Materials
- Housing ABS
- Inspection window Polyester foil
Power supply
Operating voltage
- Non-Ex instrument 14 36 V DC
- EEx-ia instrument 14 30 V DC
Operating voltage with lighted indicating and adjustment module
- Non-Ex instrument 22.5 36 V DC
- EEx-ia instrument 22.5 30 V DC
Permissible residual ripple
- < 100 Hz U
ss
< 1 V
- 100 Hz 10 kHz U
ss
< 10 mV
Load see diagram
1000
750
500
250
14
1816 20 22 24 26 28 30 32 34 36
V
4
1
2
3
Fig. 21: Voltage diagram
1 HART load
2 Voltage limit EEx-ia instrument
3 Voltage limit non-Ex instrument
4 Operating voltage
48 Process pressure transmitter IPT-1* Vers. 3.0 - metalic sensor 4 20 mA/HART
10 Supplement
31543-EN-090130
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