| SKU | HI2020-02 |
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| Product Name | edge® Multiparameter pH Meter - HI2020 |
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| Quote Required | Yes |
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| pH Range | -2.000 to 16.000 pH, -2.00 to 16.00 pH, ±1000 mV |
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| pH Resolution | 0.001 pH, 0.01 pH, 0.1 mV |
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| pH Accuracy | ±0.002 pH, ±0.01 pH, ±0.2 mV |
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| pH Calibration | 5 points (Standard mode) 1.68, 4.01 (3.00†), 6.86, 7.01, 9.18, 10.01, 12.45, and two custom buffers; 3 points (Basic mode) 4.01; 6.86; 7.01; 9.18; 10.01 |
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| pH Temperature Compensation | ATC |
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| pH CAL Check (electrode diagnostics) | Probe condition, response time, glass and reference junction diagnostics ( HI 11311 & HI 12301 only) |
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| 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)** |
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| EC Resolution | 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm |
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| EC Accuracy | ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater) |
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| 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 |
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| 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 |
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| TDS Resolution | 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L |
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| TDS Accuracy | ±1% of reading (±0.03 ppm or 1 digit, whichever is greater) |
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| TDS Calibration | through EC calibration |
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| EC/TDS Temperature Compensation | ATC (0.0 to 100.0ºC; 32.0 to 212.0 °F), NoTC |
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| Temperature Correction Coefficient | 0.00 to 6.00%/°C (for EC and TDS only), default value is 1.90%/°C |
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| EC to TDS Conversion Factor | 0.40 to 0.80 |
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| Salinity (% NaCl) Range | 0.0 to 400.0% NaCl*** |
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| Salinity (% NaCl) Resolution | 0.1% NaCl |
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| Salinity (% NaCl) Accuracy | ±1% of reading (@25ºC/77ºF) |
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| Salinity (% NaCl) Calibration | 1 point with HI 7037L 100% NaCl sea water standard |
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| Salinity (PSU) Range | 2.00 to 42.00 PSU*** |
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| Salinity (PSU) Resolution | 0.01 PSU |
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| Salinity (PSU) Accuracy | ±1% of reading (@25ºC/77ºF) |
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| Salinity (PSU) Calibration | through EC calibration |
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| Salinity Range | 0.0 to 80.0 g/L*** |
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| Salinity Resolution (ppt) | 0.01 g/L |
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| Salinity Accuracy (ppt) | ±1% of reading (@25ºC/77ºF) |
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| Salinity Calibration (ppt) | through EC calibration |
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| Dissolved Oxygen Range | 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation |
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| Dissolved Oxygen Resolution | 0.01 ppm, 0.1% saturation |
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| Dissolved Oxygen Accuracy | ±1 digit, ±1.5% of reading |
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| Dissolved Oxygen Calibration | one or two points at 0% (HI 7040 solution) and 100% (in air) |
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| Dissolved Oxygen Temperature Compensation | ATC |
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