DO Range

0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation

DO Resolution

0.01 ppm (mg/L); 0.1% saturation

DO Accuracy

±1.5% F.S. or ±1 digit, whichever is greater

DO Calibration

one or two points at 0% (HI 7040 solution) and 100% (in air)

Temperature Range

0.0 to 50.0°C / 32.0 to 122.0°F

Temperature Resolution

0.1°C / 0.1°F

Temperature Accuracy

±0.2°C; ±0.4°F (excluding probe error)

Temperature Compensation

automatic from 0 to 50°C (32 to 122°F)

Altitude Compensation

0 to 4000 m (resolution 100 m)

Salinity Compenstaion

0 to 80 g/L (ppt) (resolution 1 g/L)

Electrode/Probe

polarographic DO probe, internal temperature sensor, DIN connector

Battery Type/Life

1.5V 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 (10.6 oz.)

Ordering Information

HI9146 is supplied complete with HI76407 DO probe, HI76407A pre-formed PTFE DO membranes (2), HI7041S electrolyte solution (30 mL), batteries, instructions and rugged carrying case.