Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

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.




