HANNA HI 9142 Portable Waterproof Dissolved Oxygen Meter Instruction Manual

Update: 29 September, 2023

HI 9142 is a rugged, waterproof meter that solves the common problems of field use, such as cold, rain, snow and dust, that can damage a meter, rapidly deteriorating its performance and life. It is very simple to use: calibration is performed with HI 7040 zero oxygen solution, while 100% calibration is done in air. The polarographic probe (HI 76407/4) is provided with a membrane covering the sensors and a built-in thermistor for temperature measurement and compensation. The thin permeable membrane isolates the sensor elements from the testing solution, but allows oxygen to enter. When a voltage is applied across the sensor, oxygen that has passed through the membrane reacts causing current to flow, allowing the determination of oxygen concentration.

Brand: HANNA

File format: PDF

Size: 432 KB

MD5 Checksum: 7F29A12CC212FDF2D197BC8752C89C89

Publication date: 10 July, 2012

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