Online Conductivity / TDS / Resistivity controller EC, TDS-6850
Short 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 solutions 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 °C, 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) |
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