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The InsiteIG Model 3100 portable dissolved oxygen analyzer is a state of the art, easy to use meter that provides many benefits to the plant operations staff. Fluorescence sensor technology. No membranes, fill solutions, or cartridges Sensor does not have to remain moist Data logging with direct downloading to your PC Calibration is factory programmed

M3100 Optical Dissolved Oxygen Handheld

Superceded by Insite IPM 


The Model 3100 Dissolved Oxygen Analyser is a handheld analyser designed for the measurement of dissolved oxygen (D.O.) in aqueous solutions.

The microprocessor-based electronics of the Model 3100 analyser provide a high degree of flexibility and ease of use.

The instrument will display dissolved oxygen content in 0.01 ppm resolution over a range of 0.00 to 3.99 ppm and 0.1 ppm resolution over a range of 4.0 to 20.0 ppm. Temperature is displayed in 0.1 degree Celsius increments over a 0.0 to 50.0 degree Celsius range or 1 degree Fahrenheit increments over a 32 to 122 degree Fahrenheit range.

The sensor is an optical type sensor that measures the fluorescence and quenching reactions of a ruthenium complex that is immobilised in a sol-gel matrix. Calibration is not required on a routine basis, nor is calibration required after initial start-up.

Ordering Information:
IIG M3100