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

1259 ₼