See page 6.36 for DO solutions and accessories Specifications HI9146 DO Range 0.00 to 45.00 mg/L (ppm); 0.0 to 300.0% saturation Resolution 0.01 mg/L (ppm); 0.1% saturation Accuracy (@ 25°C/77°F) ±1.5% F.S. or ±1 digit, whichever is greater Temperature Range 0.0 to 50.0°C; 32.0 to 122.0°F Resolution 0.1°C; 0.1°F Accuracy (@ 25°C/77°F) ±0.2°C ; ±0.4°F (excluding probe error) Additional Specifications Dissolved Oxygen Calibration one or two points at 0% (HI7040 solution) and 100% (in air) Temperature Compensation automatic from 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 HI76407/4F polarographic DO probe, internal temperature sensor, DIN connector and 2 m (6.6’) cable (included) 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 HI9146-04 is supplied complete with HI76407/4F probe with 4 m (13.1’) cable, HI76407A membranes (2), HI7041S electrolyte solution (30 mL), batteries, instructions and rugged carrying case. HI9146-10 is supplied complete with HI76407/10F probe with 10 m (32.8’) cable, HI76407A membranes (2), HI7041S electrolyte solution (30 mL), batteries, instructions and rugged carrying case. HI9146 Dissolved Oxygen Meter Dissolved oxygen is a commonly measured parameter in aquaculture, wastewater treatment, environmental studies, and wine analysis. The HI9146 is a rugged, portable dissolved oxygen (DO) meter designed to provide high accuracy measurements whether in the eld or in the lab. The meter features automatic calibration performed at one or two points in saturated air and/ or zero oxygen solution.All readings are automatically compensated for temperature variations and can be frozen on the display upon stability using the auto-end feature. Salinity and altitude compensation are user adjustable based on the environmental conditions that are present. The HI9146 features a Battery Error Prevention System (BEPS) that detects when the batteries become too weak to ensure reliable measurements. The HI9146 is supplied complete and ready to use. • Polarographic Measuring System • Replaceable Membrane Caps • Automatic Calibration • Good Laboratory Practice (GLP) • Automatic Temperature Compensation • Altitude Compensation • Salinity Compensation • Auto End Point · The HI9146 features an auto endpoint mode in which when selected the reading will frozen on the display once a stable measurement is obtained. The auto-end feature allows for consistency among various users by ensuring that stability has been achieved before recording a measurement. • Backlit LCD • Battery Error Prevention System (BEPS) · The Battery Error Prevention System detects when the batteries become too weak to ensure reliable measurements. The backlight feature is automatically disabled when batteries are getting low and a clear indication is displayed to warn the user of this condition. 6 Dissolved Oxygen 6.30 | www.hannainst.com portable
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