ProMinent DULCOMETER Assembly And Operating Instructions Manual page 91

mA Output 0 - 20 mA
Max. output 19 V DC
voltage
Overvoltage- ±30 V
resistant up to:
Output accu‐ 0.2 mA
racy
Galvanically isolated from all other connections (500 V)
mV input
Measuring range
Measurement accuracy
Sensor monitoring of input (low resistance
threshold) (can be switched off)
Sensor monitoring of input (high resist‐
ance threshold) (can be switched off)
Display glass sensor resistance of ProMi‐
nent pH sensor
Overvoltage-resistant up to:
Pump control (f-relay)
Max. switching voltage:
Max. switching current:
Max. residual current (open):
Max. resistance (closed):
Max. switching frequency (HW) at 50%
filling factor
Digital output galvanically isolated from all other connections via OptoMos relay.
4 - 20 mA
-1 V ... + 1 V
0 pH ... 14 pH
±0.25 % of the measuring range
< 500 kW ... 1 MΩ (short circuit)
no pH sensor connected
0 ... 5000 MW
±5 V
50 V (protective low voltage)
50 mA
10 mA
60 W
100 Hz
Electrical data
manual
91