Description
◇ English language display.
◇ Measure Conductivity/TDS/Resistivity and Temperature.
◇ High/low limit relay control output , 4-20mAcurrent output. digital Modbus RS485 communication output (Optional).
◇ High/low limit alarm light, double relay, alarm delay could be set.
◇ Instrument mode isolated transmitting port, max circle resistance up to 750Ω.
◇ PID control to actuate and control powered variable value through 4-20 mA output (optional).
◇ Back light of LCD could select power saving mode, timing automatic off, brightness adjust.
◇ Conductivity constant input directly function or to calibrate probe constant as per known calibration solution’s conductivity value.
◇ High performance CPU, good electromagnetic compatibility.
◇ MOV and AC input be fused function.
◇ ESD over voltage protection is available.
◇ Password management avoid non-professional person to operate.
Main Technique Specifications
|
Function Model |
EC/TDS/RM-6850 Conductivity /TDS /Resistivity controller |
|
Measuring Range |
Conductivity: 0-200uS ( 0.1sensor), 0-20, 000uS(1.0 sensor), 0-200mS (10.0 sensor) TDS: 0-100ppm(0.1 sensor), 0-10,000ppm(1.0 sensor) Resistivity: 0-18.25MΩ·cm (0.01 sensor) 0-18250KΩ·cm (0.01 sensor) |
|
Accuracy |
+ 1.5% (FS) |
|
Temp. Comp. |
0～120 ℃, Automatic, PT1000 |
|
Sensor constant |
0.01, 0.1, 1.0, 10.0 cm-1 |
|
Sensor connection |
1/2”NPT (standard), 3/4”NPT(optional), Flanged (optional) |
|
Sensor cable length |
5m or as per request |
|
Display |
128 * 64 dot matrix LCD |
|
Current output signal |
Isolated, Transferable 4-20mA signal output, max circle resistance 750Ω |
|
Control output signal |
High/Low Limit relay control output, （3A/250 V AC） |
|
Communication signal |
Modbus RTU RS485 (optional) |
|
Power |
AC 220V ±10%, 50Hz (Standard) AC110V ±10%, 50Hz (Optional) AC/DC 24V(optional) |
|
Working temperature. |
0～60℃, 0～100℃ (Match high temp. Sensor) |
|
Working pressure |
0～0.5MPa |
|
Protection grade |
IP 65 |
|
Working environment |
Ambient Temp. 0～60℃, Relative Humidity ≤95% |
|
Overall dimensions |
96×96×127mm(high×width×depth) |
|
Hole dimensions |
92×92mm(height×width) |
|
Installation Mode |
Panel Mounted(Embeded) |
Application
Widely used for electronic, Chemical, Pharmaceutical, electromechanical, drinking water, cooling tower, boiler plant and other industries for online conductivity, resistivity controller.
