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The HI2300 Autoranging Benchtop EC/TDS/Salinity Meter is a high-performance laboratory instrument tailored for accurate measurement of conductivity (EC), total dissolved solids (TDS), salinity, and temperature. Built with an autoranging circuitry and a four-ring platinum conductivity probe, it automatically selects the optimal measurement scale across a wide range—from ultra‐low to high conductivity. With options for automatic temperature compensation (ATC) or manual compensation, adjustable temperature coefficient (β), and a customizable TDS factor, this meter offers exceptional flexibility for diverse applications. Its GLP data storage, USB connectivity, and one-point automatic calibration further enhance usability in research labs, quality control, water treatment, and industrial monitoring environments.
Technical specifications:
| Hanna HI2300 Autoranging EC / TDS / Salinity Meter Specifications | |
|---|---|
| Model / Configuration | HI2300-01 (115 V) / HI2300-02 (230 V), supplied with HI76310 four-ring probe & 12 VDC adapter :contentReference[oaicite:1]{index=1} |
| Measured Parameters | Conductivity (EC), TDS, Salinity (% NaCl), Temperature |
| 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) :contentReference[oaicite:2]{index=2} |
| EC Resolution | 0.01 µS/cm, 0.1 µS/cm, 1 µS/cm, 0.01 mS/cm, 0.1 mS/cm (depending range) :contentReference[oaicite:3]{index=3} |
| EC Accuracy | ±1% of reading (±0.05 µS/cm or 1 digit, whichever is greater) :contentReference[oaicite:4]{index=4} |
| TDS Range | 0.00 to 14.99 ppm, 15.0 to 149.9 ppm, 150 to 1499 ppm, 1.50 to 14.99 g/L, 15.0 to 100.0 g/L, up to 400.0 g/L (absolute) :contentReference[oaicite:5]{index=5} |
| TDS Resolution | 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L :contentReference[oaicite:6]{index=6} |
| TDS Accuracy | ±1% of reading (±0.03 ppm or 1 digit) :contentReference[oaicite:7]{index=7} |
| Salinity Range (% NaCl) | 0.0 to 400.0% NaCl (via conductivity conversion) :contentReference[oaicite:8]{index=8} |
| Salinity Resolution | 0.1 % NaCl :contentReference[oaicite:9]{index=9} |
| Salinity Accuracy | ±1% of reading :contentReference[oaicite:10]{index=10} |
| Temperature Range | −20.0 to 120.0 °C :contentReference[oaicite:11]{index=11} |
| Temperature Resolution | 0.1 °C :contentReference[oaicite:12]{index=12} |
| Temperature Accuracy | ±0.4 °C (excluding probe error) :contentReference[oaicite:13]{index=13} |
| Temperature Compensation (β) | Automatic (ATC) / Manual / Disabled; adjustable β from 0.00 to 6.00 %/°C :contentReference[oaicite:14]{index=14} |
| Adjustable TDS Conversion Factor | 0.40 to 0.80 (default = 0.50) :contentReference[oaicite:15]{index=15} |
| EC Calibration | Automatic one-point calibration from six pre-programmed standards (84, 1413, 5000, 12880, 80,000, 111,800 µS) :contentReference[oaicite:16]{index=16} |
| Salinity Calibration | One-point calibration with HI7037 100% NaCl solution (optional) :contentReference[oaicite:17]{index=17} |
| Probe | HI76310 four-ring platinum EC/TDS probe with built-in temperature sensor, 1 m cable (included) :contentReference[oaicite:18]{index=18} |
| Data Logging & GLP | Log-on-demand up to 500 data points; GLP calibration data recall :contentReference[oaicite:19]{index=19} |
| Connectivity | USB output for data transfer (optically isolated) :contentReference[oaicite:20]{index=20} |
| Power Supply | 12 VDC adapter (included) :contentReference[oaicite:21]{index=21} |
| Operating Environment | 0 to 50 °C; RH up to 95% non-condensing :contentReference[oaicite:22]{index=22} |
| Dimensions | 235 × 222 × 109 mm (9.2 × 8.7 × 4.3 in) :contentReference[oaicite:23]{index=23} |
| Weight | 1.3 kg (2.9 lbs) :contentReference[oaicite:24]{index=24} |
| Included Items | HI76310 probe, 12 VDC adapter, instruction manual :contentReference[oaicite:25]{index=25} |
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