Measuring range

pH: 0 ... 14
ORP: -1000 ... +1000 mV
Chlorine: 0.05 ... 5 ppm, shock metering up to 10 ppm, max. 12 h with chlorine sensors CLB 2-μA-5 ppm and CLB 3-μA-5 ppm
Conductive conductivity: 0.5 µS/cm ... 20 mS/cm (auto-ranging)
Inductive conductivity with ICT 2: 20 µS/cm ... 2000 mS/cm (auto-ranging)
Inductive conductivity with ICT 5: 200 μS/cm ... 2000 mS/cm (auto-ranging)

Resolution

pH: 0.01 pH
ORP: 1 mV
Chlorine: 0.01 ppm
Conductivity: 0.1 µS/cm (depends on the measuring range)

Accuracy

0.5% of the upper range value

Temperature compensation range

0 ... 120 °C, chlorine 1 ... 45 °C

Control

Monodirectional PID control with selectable control direction

Inputs

Sensor input for the relevant measured variable
Temperature sensor input: pH: Pt 1000, chlorine and conductivity: Pt 100/ Pt 1000
1 digital input as a remote control input for the pause control/sample water fault functions

Outputs

1 pulse frequency output for controlling metering pumps
1 active 0/4…20 mA output configurable as a measured or control variable, max. load: 400 Ω
1 output relay used as a changeover contact, can be configured as an alarm, limit value or pulse width-modulated control output for motor-driven metering pumps

Cell constant, conductive conductivity

0.05 ... 12.0 cm-1

Voltage supply

100 ... 230 V, 50/60 Hz, 5 W

Permissible operating temperature

-10 ... +60 °C

Enclosure rating

IP 67, based on NEMA 4 X Indoor

Dimensions

135 x 125 x 75 mm (H x W x D)

Weight

0.5 kg