Digital electrodes edge® measures pH, conductivity and dissolved oxygen through its unique digital electrodes. These digital electrodes are autorecognized, providing sensor type, calibration data and a serial number when connected to edge by an easy to plug-in 3.5mm connector. • Simply connect each probe via the 3.5 mm jack, Digital Smart Electrodes are automatically recognized • Clark type digital polarographic probe with easy-to-replace membrane cap · Covers all ranges from 0.00 to 45.00 mg/L (ppm); 0.0 to 300% saturation • Accuracy ±1.5% full scale • One or two-point calibration (HI7040), 0% (solution) and 100% (air) • Data logging · Manual log-on-demand · Manual log-on-stability · Interval logging • Automatic Temperature Compensation from 0 to 50 °C • GLP data · Records date, time, calibration standards, altitude value and salinity value • Altitude compensation from -500 to 4000 meters (-1640 to 13,123’) • Salinity compensation from 0 to 40g/L Sleek design Incredibly thin and lightweight, edge measures just 1/2” (12 mm) thick and weighs just 8.8 ounces (250 g). Specifications HI2040 edge Dissolved Oxygen Range 0.00 to 45.00 ppm (mg/L); 0.0 to 300.0 % saturation Resolution 0.01 ppm (mg/L); 0.1 % saturation Accuracy ± 1.5% of reading ±1 digit Calibration one or two-point at 0% (HI7040 solution) and 100% (in air) Temperature Compensation ATC (0 to 50°C; 32.0 to 122.0°F)* Salinity Compensation 0 to 40 g/L (with 1 g/L resolution) Altitude Compensation -500 to 4000 m (-1640 to 13120') (with 100 m (328') resolution) Temperature Range* -20.0 to 120.0°C; -4.0 to 248.0°F Resolution 0.1°C; 0.1°F Accuracy ±0.5°C; ±0.9°F Additional Specifications Probe (included in DO kit) HI764080 digital dissolved oxygen electrode with 3.5 mm (1/8”) connector and 1 m (3.3’) cable Logging up to 1000 records organized in: manual log-on-demand (max. 200 logs), manual log-on-stability (max. 200 logs), interval logging (max. 600 samples; 100 lots) Connectivity 1 USB port for storage; 1 micro USB port for charging and PC connectivity Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing Power Supply 5 VDC adapter (included) Dimensions / Weight 202 x 140 x 12 mm (7.9” x 5.5” x 0.5”) / 250 g (8.82 oz.) Ordering Information HI2040-01 (115V) and HI2040-02 (230V) DO kit also includes: HI764080 dissolved oxygen electrode, HI7041S refill electrolyte solution, DO membrane caps (2), o-rings (2) All edge compatible pH, EC and DO digital probes are interchangeable with HI2040 and can be ordered separately. All edge compatible pH, EC and dissolved oxygen digital probes are interchangeable with edge. * temperature limits will be reduced to actual probe limits See page 6.34 for DO solutions and accessories 6 Dissolved Oxygen 6.17 www.hannainst.com | edge®
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