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edge® pH Meters

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Hanna Instruments is proud to introduce the world’s most innovative pH, EC, and DO meter... edge®.

edge® is thin and lightweight, measuring just 1⁄2” thick and weighing less than 9 ounces. edge® has an incredibly wide viewing angle, 5.5” LCD and a sensitive capacitive touch keypad.

edge® measures pH, conductivity and dissolved oxygen through its unique digital electrodes. These digital electrodes are auto-recognized. Providing sensor type, calibration data and serial number when connected to edge® with an easy to plug-in 3.5mm connector. edge®’s versatile design is equally at home in your hand, on a lab bench or mounted on a wall. It simplifies measurement, configuration, calibration, diagnostics, logging and transferring data to a computer or a USB drive.

edge® features Hanna’s exclusive CAL-CHECK® to warn you if the pH electrode you are using is not clean or if your buffers are contaminated during calibration. Indicators are also displayed for response time and probe condition that is based on the offset and slope of the electrode. We have also added to SENSOR-CHECK for sensors with matching pin: now it warns you if the pH bulb is cracked or if the junction of the electrode is clogged.

edge® is the culmination of Hanna’s vision, design capabilities, integrated production facilities, and world class R&D teams. With edge®, Hanna has set the new standard!

pH Specifications
Rangestandard mode: -2.00 to 16.00 pH, -2.000 to 16.000 pH; ±1000 mV basic mode: -2.00 to 16.00 pH; ±1000.0 mV
Resolutionstandard mode: 0.01 pH; 0.001 pH; 0.1 mV
basic mode: 0.1 mV
Accuracy (@25ºC/77ºF)±0.01 pH; ±0.002 pH; ±0.2 mV
Calibration Points5 in standard mode; 3 in basic mode
Calibration Buffersstandard mode: 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45 and two custom buffers
basic mode: 4.01, 6.86, 7.01, 9.18, 10.01
ATC (-5.0 to 100.0ºC; 23.0 to 212.0°F)*
standard mode: probe condition, response time and out of calibration range
Glass and reference junction diagnostics ( HI 11311 & HI 12301 only)
EC Specifications
EC0.00 to 29.99 μS/cm; 30.0 to 299.9 μS/cm; 300 to 2999 μS/cm; 3.00 29.99 mS/cm; 30.0 to 200.0 mS/cm; up to 500.0 mS/cm (absolute EC)**
TDS0.00 to 14.99 mg/L (ppm); 15.0 to 149.9 mg/L (ppm); 150 to 1499 mg/L (ppm); 1.50 to 14.99 g/L; 15.0 to 100.0 g/L; up to 400.0 g/L (absolute TDS)**, with 0.80 conversion factor
Salinity0.0 to 400.0 % NaCl
0.01 to 42.00 PSU
0.0 to 80.0 g/L
2.00 to 42.00 PSU
EC0.01 μS/cm; 0.1 μS/cm; 1 μS/cm
0.01 mS/cm; 0.1 mS/cm
TDS0.01 mg/L (ppm); 0.1 mg/L (ppm); 1 (ppm)
0.01 g/L; 0.1 g/L (0.8 TDS factor)
Salinity0.1 % NaCl; 0.01 PSU; 0.01 g/L
Accuracy (@25ºC/77ºF)
EC±1% of reading (±0.05 μS or 1 digit, whichever is greater)
TDS±1% of reading (±0.03 ppm or 1 digit, whichever is greater)
Salinity±1% of reading
EC1 point offset calibration (0.00 μS/cm in air)
1 point  slope calibration in EC standard 84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm and 111.8 mS/cm
TDSthrough EC calibration
Salinity1 point with HI 7037L 100% NaCl sea water standard (other scales through EC calibration)
Temperature Compensation
NoTC, ATC (0.0 to 100.0ºC; 32.0 to 212.0 °F)
TDS Factor
0.40 to 0.80
DO Specifications
Range0.00 to 45.00 ppm; 0.0 to to 300.0 % saturation
Resolution0.01 ppm; 0.1 % saturation
Accuracy± 1.5% of reading; ±1 digit
Calibration Pointsone or two points at 0% (HI 7040 solution) and 100% (in air)
ATC (0 to 50ºC; 32.0 to 122.0 °F)*
0 to 40 g/L (with 1 g/L resolution)
-500 to 4000 m (with 100 m resolution)
Temperature Specifications
Range-20.0 to 120.0ºC; -4.0 to 248.0°F
Resolution0.1°C; 0.1°F
Accuracy±0.5°C; ±1.0 °F
Additional Specifications
Loggingstores up to 1000 records: 200 records (log-on-demand and stability logging); 600 records interval logging
Connectivity1 USB port for storage; 1 micro USB port for charging and PC connectivity
Environment0 to 50°C (32 to 122°F); RH max 95% non-condensing
Power Supply5 VDC adapter (included)
Dimensions202 x 140 x 12.7mm (8” x 5.5” x 0.5”)
Weight250 g (8.82 oz.)
* temperature limits will be reduced to actual probe/sensor limits
** with temperature compensation function disabled

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Thomas No.
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Also known as: HI2020
edge® pH Meter, 115V
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Thomas No.
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Also known as: HI2030
edge® EC Meter, 115V
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Thomas No.
Mfr. No.
Also known as: 1005760
edge® DO Meter, 115V
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Thomas No.
Mfr. No.
Bench cradle for edge
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Wall cradle for edge
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