Hanna Instruments is proud to introduce the world’s most innovative Conductivity/TDS/Salinity meter: edge®.
edge’s groundbreaking design is the culmination of Hanna’s vision, design capabilities, integrated production and world class R&D. edge is a single meter that can measure Conductivity, TDS and Salinity and is incredibly easy to use.

Four ring conductivity Probe
edge® EC/TDS/Salinity utilizes four ring conductivity probe technology that allows the user to measure samples from very low conductivity to very high conductivity. edge® is an auto-ranging meter that will select the appropriate range for the measurement to ensure the highest accuracy available.

Capacitive Touch
edge® features a capacitive touch keypad that gives a distinctive, modern look. The keypad is sensitive enough to be used with laboratory gloves and has a fast response. Since the keypad is part of the screen, there are no buttons to get clogged with sample residue.

Large Easy to Read LCD
edge® features a 5.5” LCD display that you can clearly view from over 5 meters. The large display and it’s wide 150° viewing angle provide one of the easiest to read LCD’s in the industry.
EC Specifications
| EC Range | 0.00 to 29.99 μS/cm, 30.0 to 299.9 μS/cm, 300 to 2999 μS/cm, 3.00 to 29.99 mS/cm, 30.0 to 200.0 mS/cm, up to 500.0 mS/cm (absolute EC)** | 
|---|---|
| EC Resolution | 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm | 
| EC Accuracy (@25ºC/77ºF) | ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater) | 
| EC Calibration | 1 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 | 
TDS Specifications
| TDS Range | 0.00 to 14.99 ppm (mg/L), 15.0 to 149.9 ppm (mg/L), 150 to 1499 ppm (mg/L), 1.50 to 14.99 g/L, 15.0 to 100.0 g/L, up to 400.0 g/L (absolute TDS)** | 
|---|---|
| TDS Resolution | 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L | 
| TDS Accuracy (@25ºC/77ºF) | ±1% of reading (±0.03 ppm or 1 digit, whichever is greater) | 
| TDS Calibration | through EC calibration | 
| TDS Conversion Factor | 0.40 to 0.80 (default value is 0.50) | 
Salinity Specifications
| Salinity Range | 0.0 to 400.0% NaCl, 2.00 to 42.00 PSU, 0.0 to 80.0 g/L* | 
|---|---|
| Salinity Resolution | 0.1% NaCl, 0.01 PSU, 0.01 g/L | 
| Salinity Accuracy (@25ºC/77ºF) | ±1% of reading | 
Temperature Specifications
| Temperature Range | -20.0 to 120.0 ºC, -4.0 to 248.0 °F | 
|---|---|
| Temperature Resolution | 0.1 °C, 0.1 °F | 
| Temperature Accuracy | ±0.5 °C, ±0.9 °F | 
| °C/°F | Yes | 
Additional Specifications
| EC/TDS/Salinity Temperature Compensation | Automatic -5 to 100º C (23 to 212º F) NoTC – can be selected to measure absolute conductivity. | 
|---|---|
| Conductivity Temperature Coefficient | 0.00 to 6.00% / ºC | 
| GLP | Yes | 
| Logging | up to 1000 (400 for basic mode) 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 micro USB port for charging and PC connectivity, 1 USB port for storage | 
| Environment | 0 to 50°C (32 to 122°F), RH max 95% non-condensing | 
| Battery Type/Life | Built-in rechargeable battery with up to 8 hours of continuous use | 
| Power Supply | 5 VDC adapter (included) | 
| Dimensions | 202 x 140 x 12.7mm (8” x 5.5” x 0.5”) | 
| Weight | 250 g (8.82 oz) | 
| Ordering Information | edge®EC HI2003 includes: HI763100 Conductivity probe, 1413 μS/cm conductivity standard sachets (3), 12880 μS/cm conductivity standard sachets (3), benchtop docking station with electrode holder, wall-mount cradle, USB cable 5 VDC power adapter, quality certificate and instruction manual. | 
| Notes | 
 * Not available in basic mode   | 
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