Technical Data - ProMinent DULCOMETER DMT Series Operating Instructions Manual

12
Electrical data
Device Protection class:
Supply voltage:
Signal output:
Enclosure
ratings When installed correctly the following enclosure ratings apply:
Wall/pipe mounted:
Control panel mounted:
Measured
variable, pH Measurement range:
Reproducibility:
Operating measurement
deviation:
Insulation voltage:
Input resistance:
Reference electrode:
Resolution:
Measured
variable, redox Measurement range:
Reproducibility:
Operating measurement
deviation:
Insulation voltage:
Input resistance:
Reference electrode:
Measured
variable/ Resolution:
Correction
variable,
temperature Measurement range:
Measurement deviation:
Resolution:
Display Principle:
ProMinent ®

Technical data

III
- 4-20 mA (two wire) current loop,
24 V DC (16...40 V DC), protective low voltage
®
- PROFIBUS -DP, 24 V DC (16...30 V DC),
protective low voltage
The supply voltage level must not fall below
16 V at any time
4 ... 20 mA in normal operation,
23 mA to signal fault,
Ohmic resistance 50 Ω
IP 65 in accordance with DIN VDE 0470-1
IP 54 in accordance with DIN VDE 0470-1
-1 ... +15 pH at 0 ... 100 °C
0.01 pH
max. 0.02 pH at 25 °C ambient temperature
500 VDC; electrically insulated against
ring circuit
Glass electrode: > 10
All reference electrodes can be connected
to diaphragm
0.01 pH
-1200 ... +1200 mV
1 mV
max. 2 mV at 25 °C ambient temperature
500 VDC: electrically insulated against
ring circuit
12
> 10 Ω
All reference electrodes can be connected
to diaphragm
1 mV
-20 °C ... 150 °C
max. 0.3 °C (PT 1000 at 25 °C ambient
temperature)
max. 0.5 °C (PT 100 at 25 °C ambient
temperature)
0.1 °C
LCD (liquid crystal display)
Technical data
12
Ω
Page 47