* One meter for multi purpose operation :  Dissolved Oxygen, Air Oxygen, Temprature.

* Dissolved oxygen : 0 to 20.0 mg/L.

* Dissolved oxygen meter use the polar graphic type oxygen probe with temperature sensor, high precision measurement for Dissolved Oxygen ( DO ) and temperature measurement.

* Heavy duty dissolved oxygen probe, probe head can connect with BOD bottle.

* DO use the automatic Temp. compensation.

* DO meter build in " % SALT " & " Mountain Height "compensation value adjustment.

* Wide applications: water conditioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college, water conditioning.

* O2 calibration is easily to be done by push button on the front panel.

* Build in DO control relay and the Temp. control relay.

* Relay will be make action ( On/Off )  when the reading value reach high limit or low limit value.

* Temperature Offset value setting.

* Hysteresis value setting for high and low contral.

* ℃,℉ temp. unit setting with default.

* Large red LED display, high brightness and easy to read.

* RS232 computer interface, send out the DO and the temperature data at the same time.

* Optional data acquisition software.

* Microprocessor circuit ensures high accuracy and

* provides special functions and features. Standard 96 X 48 mm DIN case.