Conductivity TDS Controller EC/TDS-6850
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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: 0-200μS ( 0.1sensor), 0-20, 000μS(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) |
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