Microprocessor Dissolved Oxygen Meter

Microprocessor Dissolved Oxygen Meter

Developed for dissolved oxygen and temperature measurement in water, wastewater and applications such as fish farming, it also allows compensation for altitude and salinity.

The HI-9146 is supplied with a Polarographic probe with a 4m cable and measures a DO range of up to 300%

Key features

2m cable for ease of use Robust waterproof casing designed for field applications Backlit display is helpful for use in low ambient light levels On-screen tutorial messages remove need to take manual out on location Low battery indicator DO range up to 300% plus temperature compensation GLP features Polarographic probe included as standard features built-in temperature compensation and removable, protective membrane cover.

Main benefits:

Allows altitude compensation up to 4000m Salinity compensation up to 80g/L Automatic calibration in air Two spare membranes included as standard Hard carrying case and instructions provided

2 0.00 to 45.00 mg/L % Saturation O2 0.0 to 300.0% Temperature 0.0 to 50.0°C Resolution O2 0.01 mg/L % Saturation O2 0.1% Temperature 0.1°C Accuracy O2 ±1.5% F.S. % Saturation O2 ±1.5% F.S. Temperature ±0.2°C (excluding probe error) Calibration   one or two points at 0% (HI-7040 solution) and 100% in air Temperature Compensation   automatic, 0 to 50°C (32 to 122°F) Altitude Compensation   0 to 4000 m (resolution 100 m) Salinity Compensation   0 to 80 g/L (ppt) (resolution 1 g/L) Probe   HI-76407/4F polarographic DO probe, internal temperature sensor, DIN connector and 4m cable (included) Battery Type/Life   1.5 AAA (3)/ approximately 200 hours of continuous use without backlight (50 hours with backlight on) Environment   0 to 50°C (32 to 122°F); RH max 95% Dimensions   185 x 72 x 36 mm (7.3 x 2.8 x 1.4") Weight   300 g