Measuring principle

Coated three-electrode current method

Measuring range

0.005~2.00ppm

0.05~5.00/10.00/20.00ppm

pH range

4.0~12.0

Working temperature

0~45℃

Flow speed

15~30L/H

Working pressure

0.5bar

Zero calibration

Not needed

Slope calibration

According to DPD-1 method, calibrate on the device

Drift

<-3%/month

Response time

It takes 2 minutes to reach 90% of the measured value

Polarization time

2 hours

Electrical connection

4-pole plug, 5-pole M12 connector, 2-pole terminal

Power supply

DC 12~30V, ±5~±15V

Signal output

2-wire 4-20mA, Modbus485, 0~±2V

Dimensions

Diameter: 25mm

                     Length: 175~220mm

Material

Microporous hydrophilic membrane, PVC-U, PEEK, stainless steel

Maintenance interval

Membrane cap: replace once a year

             Electrolyte: replace 3~6 months

Storage

Electrode rod and membrane cap: 5~40℃ dry environment

Electrolyte: 5~35℃ in a cool and dark place

CE

EMC, RoHS