ProMinent DULCOMETER - Page 164

Technical Data
Description Technical Data
pH resolution: 0.01
ORP voltage: 1 mV
Temperature: 0.1 °C
Amperometric analysis (chlorine
etc.):
0.001/0.01 ppm, 0.01 Vol. %, 0.1 Vol. %
Precision: 0.3 % based on the full-scale reading
pH/ORP measuring input: Input resistance > 0.5 x 1012 Ω
Correction variable: Temperature via Pt 100/Pt 1000
Temperature compensation range: 0 … 100 °C
pH compensation range for
chlorine:
6.5 … 8.5
Disturbance variable: Flow via mA or frequency
Control characteristic: P/PID control
Control: 2 bidirectional controllers
mA-output signal: 2 x 0/4 ... 20 mA electrically isolated, max. load
450 Ω, range and assignment (measured, correc‐
tion, control variable) can be set
Control output: 2 x 2 pulse frequency outputs for control of
metering pumps
2 relays (limit value, 3-point step or pulse length
control)
2 x 0/4 ... 20 mA
Alarm relay: 250 V ~3 A, 700 VA type of contact: changeover
contact
Electrical connection: 100 ... 240 V, 50/60 Hz, 27 W
Ambient temperature: Ambient temperature -20 ... 60 °C (for inside
installation or with a protective enclosure)
Degree of protection: Wall mounted: IP 67
Controller technical data
164