Istek, Inc. Portable & Laboratory type pH/DO/EC Meter

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EC Controller HC4000RS
	Panel mounting 4~20mA,on/off control Solution-ground function RS485 communication & MODBUS

* Simultaneous display of Conductivity,Salinity,Resistance/Temp.

* Suitable for RO, pure water system, cooling water, boiler water and process water quality monitoring

* Microprocessor controllers - Reliable Monitoring

* 2 Cell and 4 Cell both are available

* Simple calibration with sensor

* Salinity compensation & Altitude compensation

* Upper & Lower limit setting - notification available

* Suitable for field ( Wall, Panel and pipe installation IP65)

* Automatic temperature identification (Pt 100, NTC30K)

* Auto temperature compensation & Notification for calibration

* 4~20mA , on/off control function provided

* Setting available interval of cleaning

* Solution-ground function to minimize sample interference

* RS485 communication & MODBUS

* Size : 144 x 144 x 115 mm

Model	HC4000	HC4000RS
Measuring item	Conductivity / Salinity / Resistivity/ Temp.
Range	0.000 uS/cm~200.0 mS/cm 0.0 ~ 70.0 ppt 0.00 ~ 20.00 MΩ.cm
Resolution	0.001 uS/cm 0.1 ppt 0.01 MΩ.cm
Accuracy	±1% ±1 digit
Temp.	-30.0 ~ 130.0 ℃
Temp. accuracy	±0.2 °C ±1digit
Temp. Compensation	Pt1000/NTC30K
Remark	2-cell, 4-cell both electrodes available
Electrode cell factor	choose 1 among 0.01, 0.1, 0.7, 10.00 1/cm adjustable between 0.0050~19.99 1/cm
Calibratin	1 point
Out put	Analog output 1 : Isolated DC 0/4~20mA corresponding to measurement max. load 500Ω Analog output 2 : Isolated DC 0/4~20mA corresponding to Tempereture max. load 500Ω
Communication	x	RS485 (MODBUS)
Contact out	contact output : Relay ON/OFF, max. 240VAC 0.5A Notification : HI / LO Control point
Washing setting	ON : 0~9999 seconds / OFF : 0~999.9 hours
Water proof	IP 65
Temperature	0 ~ 50 ℃
Dimension	144 x 144 x 115 mm / 0.8 kg
Power supply	100 ~ 240VAC / ±10%, 50/60Hz

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