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Hanna HI-2004 Edge® Dedicated Dissolved Oxygen Meter



The versatile and lightweight Hanna edge® pH meter can be used as a portable, wall-mounted or bench top meter. The battery life lasts up to 8 hours when used as a portable meter.

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The HI-2004 Edge® dissolved oxygen meter covers all ranges from 0.00 to 45.00ppm (mg/L); 0.0 to 300.0% saturation with an accuracy of ±1.5%.

Supplied with bench-top stand; electrode holder; bracket for wall-mount; USB cable; power adaptor; instruction manual. HI-764080 dissolved oxygen electrode, HI-7041S refill electrolyte solution, DO membrane caps, o-rings.


  • Two USB Ports: One standard USB for exporting data to a flash drive and one micro
  • USB port for exporting files to your computer as well as for charging when the cradle is not available.
  • Data Logging: Store up to 1000 log records of data. Data sets include readings, GLP data, date and time.
  • GLP: Data of the last calibration you perform is stored in the sensor including the date, time and buffers used. When the sensor is connected to Edge, GLP data is automatically transferred.
  • CAL Check™: Features Hanna’s exclusive CAL Check™ technology to warn you if the electrode bulb is not clean or if the buffers are contaminated during calibration.
  • Capacitive Touch Keypad: Gives a distinctive, modern look. Since the keypad is part of the screen, your buttons can never get clogged with sample residue.
  • Easy to Read LCD: 14cm LCD display that you can clearly view from over 5m. The large display, with its wide 150°C viewing angle, provides one of the easiest to read LCDs in the industry.
  • Zero Footprint: Using the wall mount cradle (included), Edge can be placed on a wall, leaving zero footprint on the benchtop space.
  • The cradle has a built-in connector to power and charge the batteries.
  • Sleek Design: Incredibly thin and lightweight, Edge measures just 12mm thick and weighs just 250g.


DO Measurement:

Range: 0.00 to 45.00ppm (mg/L); 0.0 to 300.0% saturation

Resolution: 0.01ppm (mg/L); 0.1% saturation

Accuracy (at 25°C): ± 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 40g/L (with 1 g/L resolution)

Altitude Compensation: -500 to 4000m (-1640 to 13120′) (with 100m (328′) resolution)

* temperature limits will be reduced to actual probe limits



Range: -20 to 120°C, -4 to 248°F

Resolution: 0.1°C, 0.1°F

Accuracy: ± 0.5°C, ± 0.9°F


GLP: Yes

Logging: Stores up to 1000 records: 200 records (log-on-demand and stability logging)

Connectivity: 1 micro USB port for charging and PC connectivity; 1 USB port for storage

Environment: 0 to 50°C, RH max. 95% non-condensing

Power Supply: 5 VDC adapter (included)

Dimensions: 202 x 140 x 12mm

Weight: 250g


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Hanna HI-2004 Edge® Dedicated Dissolved Oxygen Meter