RM-6850 Conductivity Controller - 0-600mS/cm Range

EC/TDS/RM-6850

EC/TDS/RM-6850 online Conductivity / TDS / Resistivity controller can continuously measure and control conductivity/ TDS / Resistivity value of water.

Product Details

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Product Details

Main Features

* 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

Application

It is widely used for the seawater desalination, aquaculture, reverse osmosis, chemical, pharmaceutical, environmental protection, metallurgy, paper making, food, beverage, water supply industry, science laboratory equipment, and all kinds of water treatment facility online monitoring and controlling.

Main Technique Specification

	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), 0-600mS(30.0 sensor) TDS: 0-100ppm(0.1 sensor), 0-10,000ppm(1.0/10.0 sensor) 0-99,999ppm (10.0 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, 30.0 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)

Conductivity TDS And Resitivity Display

EC/TDS/RM-6850

Matched Conductivity, Resistivity Sensor, 1/2”, 3/4”NPT or Flanged

EC/TDS/RM-6850

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FAQS

Frequently Asked Questions (FAQ) About TDS

What is this controller and what scenarios is it mainly used for?

Is a conductivity/TDS/resistivity controller for water quality monitoring etc.

How do I install a controller like Online Conductivity?

Choose a location to install the probe, connect the lines and complete debugging.

How to maintain and calibrate this controller?

Calibrate regularly, clean the probe, and check the wiring connections.

What is the reason for the inaccurate measurement of this controller?

Probe failure, calibration error, environmental factors.

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