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| Brand | HACH |
|---|---|
| Model | HC57 |
| Type | Laboratory & Process-Grade ORP/pH Electrode |
| Origin | Imported |
| Manufacturer | HACH (USA) |
| Electrolyte | Solid Polymer / Gel |
| Membrane Options | High-Alkali (HA) or HF-Resistant Glass |
| Junction Types | Open, Ceramic, PTFE, or Dual PTFE-Open |
| Max Pressure | 10–13 bar |
| Temp Range | 0–130 °C (model-dependent) |
| pH Range | 0–14 (except HC5703: 0–11) |
| Temperature Sensor | Integrated Pt1000 |
| Body Diameter | 12 mm |
| Length | 120 mm |
| Connector | 8-pin |
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