Waterproof dissolved oxygen meter with altitude & salinity comp 4m cable

£629.70 (exc VAT) Each

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Dissolved Oxygen meter, waterproof, portable HI-9146-04

An accurate field instrument with a large LCD display reading Dissolved Oxygen in mg/l, or % saturation, with a simultaneous temperature reading. Automatic calibration is performed in saturated air, and readings can be compensated for salinity and altitude. Auto-temperature compensation ensures accuracy.

Complete with a protective sleeve for the membrane when in use.


Supplied with DO probe, 2 membranes, electrolyte solution and batteries in a hard carry

case. Unit has a 2-year guarantee.

• Extended reading ranges


• Reads in mg/l and % oxygen

• Altitude and salinity compensation

• Mains or battery power

• Hold button

• Auto-off feature

• Calibration in saturated air

• On screen user guide

• GLP features

• Back-lit display

Technical Specification:



            mg/l 0.00 to 45.00

            % Saturation 0.0 to 300.0

            Temperature 0.0 to 50.0°C


            mg/l 0.01

            % Saturation 0.1

            Temperature 0.1°C


            mg/l ±1.5% full scale

            % Saturation ±1.5% full scale

            Temperature ±0.2°C

Calibration:  Automatic in air at 100%

Altitude:  0 to 4000m (resolution 100m)

Salinity:  0 to 80 g/l (resolution 1g/l)

Battery: 3 x 1.5V AAA

Dimensions: 185 x 72 x 36mm


Weight: 300g