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

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DO Controller HD3000RS
	Panel mounting 4~20mA,on/off control Solution-ground function RS485 communication & MODBUS

* Simultaneous display of DO/Air(%) and Temp.

* Microprocessor controllers - Reliable Monitoring

* 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 (NTC22K, 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	HD3000	HD3000RS
Measuring item	DO / Air / Temp.
Range	0~60.00 mg/l 0~600 %

Resolution	0.01 / 0.001 mg/l 0.001
Accuracy	±0.5% of reading ±1 digit
Temp.	0～100 ℃
Temp. accuracy	±0.2 °C ±1digit
Temp. Compensation	Automatic temperature recongnition NTC30K/NTC22K (Manual temp. compensation : 0~50 ℃)

Salinity compensation	0.0～45.0 ppt ( Manual)
Altitude compensation	0.500～2.500bar or 7.25～36.25psi ( Manual)
Calibration	1~2 point
Output	Analog output 1 : Isolated DC 0/4~20mA corresponding to measurement max. load 500Ω Analog output 2 : Isolated DC 0/4~20mA corresponding to Temperature max. load 500Ω
Communication	x	RS485
Contact output	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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