Dräger P3U - Page 20

Electrical connections
20
Transmitter with relay module (3-wire):
Transmitter with pump module (3-wire):
28 V
9 758 m 676 m 612 m 586 m
10 722 m 645 m 584 m 560 m
11 687 m 614 m 557 m 534 m
12 651 m 584 m 530 m 508 m
13 616 m 553 m 503 m 482 m
14 334 m 502 m 476 m 456 m
15 78 m 117 m 234 m 390 m
Minimum
supply voltage
Number of transmit-
ters
Maximum cable length with a load resistance of not more than 500
0.5 mm
2
265 pF/m
0.75 mm
2
320 pF/m
1.5 mm
2
375 pF/m
2.5 mm
2
400 pF/m
20 V
1 287 m 431 m 828 m 792 m
2 144 m 216 m 431 m 718 m
3 96 m 144 m 287 m 479 m
4 72 m 108 m 216 m 359 m
24 V
1 386 m 579 m 828 m 792 m
2 193 m 289 m 579 m 766 m
3 129 m 193 m 386 m 643 m
4 96 m 145 m 289 m 482 m
28 V
1 429 m 644 m 828 m 792 m
2 215 m 322 m 644 m 766 m
3 143 m 215 m 429 m 715 m
4 107 m 161 m 322 m 537 m
Minimum
supply voltage
Maximum possi-
ble
flow-rate
Number of
transmitters
Maximum cable length with a load resistance of not more than 500
0.5 mm
2
265 pF/m
0.75 mm
2
320 pF/m
1.5 mm
2
375 pF/m
2.5 mm
2
400 pF/m
20 V 0.5 L/min
1 161 m 241 m 482 m 792 m
2 80 m 120 m 241 m 401 m
3 54 m 80 m 161 m 268 m
4 40 m 60 m 120 m 201 m
Minimum
supply voltage
Number of transmit-
ters
Maximum cable length with a load resistance of 250
0.5 mm
2
265 pF/m
0.75 mm
2
320 pF/m
1.5 mm
2
375 pF/m
2.5 mm
2
400 pF/m