Portable CON Meter Oakton Waterproof CON 150 Meter

Eutech TDS 200 1/8 DIN Total Dissolved Solids Controller

Eutech, TDS 200 Controller, Total Dissolved Solids Controller, Oakton InstrumentsScrolling, 14-segment LED display makes setup simple.

  • Economical controller designed with the features and reliability of a much more expensive instrument

  • Reliable power supply withstands voltage fluctuation from 85 to 265 VAC

  • Adjustable hysteresis prevents rapid relay switching near set points

  • Adjustable TDS factor, temperature coefficient, and selectable cell constants

  • Galvanically isolated 4-20 mA output for remote monitoring or hard copy recording

  • Removable terminal strips offer quick and easy connections

  • Battery back-up of memory maintains set-up if power fails

These sturdy, compact controllers withstand voltage fluctuations from 85 to 250V AC/DC! They are ideal for installation were electrical fluctuations are common, or install them in series throughout areas of differing electrical conditions.

Advanced setup mode lets you select cell constant, TDS factor, temperature coefficient, manual or automatic temperature compensation, hysteresis band and more. It also lets you view previous calibration points.

The 1/8 DIN housing is ready to install in standard panels and NEMA rated boxes. Includes mounting hardware; accepts probes with stripped ends and Pt 100 RTD ATC elements.

Measures TDS, ºC
TDSRange 0 to 10.00 ppm
0 to 100.0 ppm
0 to 1000 ppm
0 to 5.00 ppt
0 to 10.00 ppt
0 to 100.0 ppt
TDSResolution 0.01 ppm
0.1 ppm
1 ppm
0.01 ppt
0.1 ppt
Special features Conductivity to TDS factor adjustable from 0.40 to 1.00
Calibration one point, slope calibration
Control accuracy +/-1% full-scale
TemperatureRange -10.0 to 110.0 ºC
TemperatureResolution 0.1ºC
TemperatureAccuracy +/-0.5ºC
TemperatureCalibration offset up to +/-10ºC
Control type on/off
Number of inputs one
Number of set points two
OutputControl 2 SPDT nonpowered relays, 6A at 110 VAC; 250 VAC max
OutputCurrent 4-20 mA output, isolated
Hysteresis 0 to 10% of range, adjustable for each set point
Electrical isolation yes, galvanically
Temperature Sensor Pt 100
Temperature Compensation automatic or manual, from 0 to 100ºC
Password protection two levels
Display 4-digit, 14 segment scrolling LED
Operating Temperature 0 to 50ºC
Housing 1/8 DIN
Dimensions 3-3/4"W x 1-7/8"H x 6"D
Shipping weight 0.5 lb (0.2 kg)


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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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