Instrument features:
- LCD large screen liquid crystal display
- Smart menu
- Historical data records
- Manual or automatic temperature compensation
- three relay control switch
- Upper limit, lower limit, and hysteresis control
- 4-20mA & RS485 with multiple output options
- The same interface displays input values, temperature, current values, etc.
- Set a password to prevent unauthorized access
Technical parameter :
(1) Measurement range (based on the sensor's range):
Concentration: 0.1–200 mg/L
temperature :-10~150.0℃;
(2) Resolution:
Concentration: 0.1/1 mg/L;
temperature :0.1℃;
(3) Basic error:
Concentration: ±5-10% (depending on the sensor range);
temperature :±0.3℃;
(4) Two-channel current output:
0/4 to 20mA (with a load resistance of <750Ω);
20-4mA (load resistance <750Ω);
(5) Communication output: RS485 MODBUS RTU;
(6) Three sets of relay control contacts:
5A 250VAC,5A 30VDC;
(7) Power Supply (Optional):
85~265VAC±10%,50±1Hz, power≤3W;
9-36VDC, power: ≤3W;
(8) Dimensions: 235×185×120 mm;
(9) Installation method: Wall-mounted;
(10) Protection rating: IP65;
(11) Instrument weight: 1.2 kg;
(12) Instrument operating environment:
Environmental temperature: -10 to 60°C;
Relative humidity: not greater than 90%;
There is no strong magnetic field interference except the earth magnetic field.









