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| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | ES-2 |
| Measurement Parameter | Single (Electrical Conductivity) |
| Form Factor | Pen-style |
| Deployment Environment | In-pipe, in-tank, and pore-water applications |
| EC Range | 0–120 dS/m |
| TDS Range | Derived from EC (default 0.5–0.7 conversion factor) |
| Resistivity Range | 0.0083–1000 kΩ·cm (calculated inverse) |
| Salinity Range | 0–60 ppt (based on PSS-78 standard) |
| Temperature Range | –40 to +60 °C |
| Accuracy | EC: ±0.01 dS/m or ±10% (whichever is greater) |
| Temp | ±1 °C |
| Resolution | EC: 0.001 dS/m |
| Temp | 0.1 °C |
| Output Protocol | SDI-12 or DDI serial |
| Compatible Data Loggers | METER ZL6 series or any SDI-12–compliant logger with 3.6–15 VDC excitation |
| Dimensions | 10.9 cm (L) × 2.4 cm (W) |
| Cable | 5 m standard (custom up to 75 m) |
| Connector | 3.5 mm stereo jack or tinned leads |
| Power Supply | 3.6–15 VDC |
| Current Draw | 20–28 mA (active), 0.03 mA (standby) |
| Startup Time | 100–250 ms (SDI-12 dependent) |
| Measurement Duration | 25–50 ms |
| Compliance | ISO 9001:2015 certified manufacturing |
| CE marked per EM directive EN ISO/IEC 17050 | 2010 |
| Mechanical Interface | 1-inch NPT threaded body with optional T-fitting for pipe mounting |
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