Edge Do
Quantity
Hanna Instruments is proud to introduce the world’s most innovative pH 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 pH, Conductivity, and Dissolved Oxygen and is incredibly easy to use. We put a lot of thought into edge’s ease of use.
pH Specifications
EC Specifications
TDS Specifications
DO Specifications
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 pH, Conductivity, and Dissolved Oxygen and is incredibly easy to use. We put a lot of thought into edge’s ease of use.
pH Specifications
pH Range | -2.000 to 16.000 pH, -2.00 to 16.00 pH, ±1000 mV |
pH Resolution | 0.001 pH, 0.01 pH, 0.1 mV |
pH Accuracy (@25ºC/77ºF) | ±0.2 mV, ±0.01 pH, ±0.002 pH |
pH Calibration | up to 5 points |
pH Calibration Buffers | 1.68, 10.01, 12.45, 4.01, 6.86, 7.01, 9.18, two custom buffers |
pH Temperature Compensation | ATC: -5.0 to 100.0ºC; 23.0 to 212.0°F* |
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 Temperature Compensation | ATC (0.0 to 100.0ºC; 32.0 to 212.0 °F), NoTC |
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)**, with 0.80 conversion factor |
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 |
Salinity Specifications
Salinity Range | 0.0 to 400.0% NaCl, 2.00 to 42.00 PSU, 0.01 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 |
DO Specifications
DO Range | 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation |
DO Resolution | 0.01 ppm, 0.1% saturation |
DO Accuracy | ±1 digit, ±1.5% of reading |
DO Calibration | one or two points at 0% (HI 7040 solution) and 100% (in air) |
DO Temperature Compensation | ATC: 0 to 50 ºC; 32.0 to 122.0 °F |
Salinity Compenstaion | 0 to 40 g/L (with 1 g/L resolution) |
DO Altitude Compensation | -500 to 4000 m (with 100 m resolution) |
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, ±1.0 °F |
Additional Specifications
pH Electrode Diagnostics | Glass and reference junction diagnostics ( HI 11311 & HI 12301 only), out of calibration range , probe condition, response time |
Logging | 600 records interval 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 (32 to 122°F), RH max 95% non-condensing |
Power Supply | 5 VDC adapter (included) |
Dimensions | 202 x 140 x 12.7mm (8” x 5.5” x 0.5”) |
Ordering Information | HI2040 DO kit includes: HI764080 Dissolved Oxygen electrode, HI7041S Refill electrolyte solution, 2 DO membrane caps, 2 DO membrane cap o-rings and Quality certificate. |
Warranty | 2 years (probe 6 months) |
Notes |
* temperature limits will be reduced to actual probe/sensor limits |