Description
 Aqua 4Trans is an advanced pH/ORP transmitter with high-stability sensing, rugged industrial electrodes, auto temperature compensation and digital diagnostics. Ideal for ETP/STP, power plants, boiler blowdown, cooling towers, chemical dosing, and water treatment. Offers reliable pH/ORP accuracy with continuous monitoring and SCADA integration.
🔧 Aqua 4Trans — Key Technical Data & Selection Parameters
| Parameter | Specification / Factory Guidance |
| Measurement Parameters | pH, ORP (Redox mV) |
| pH Range | 0.00 to 14.00 pH |
| ORP Range | –1000 to +1000 mV |
| Output | 4–20 mA isolated, RS485 / Modbus (model dependent) |
| Temperature Compensation | Auto TC (built-in RTD / external sensor input) |
| Accuracy | ±0.02 pH / ±2 mV ORP (application dependent) |
| Calibration | 2-point or 3-point NIST buffer calibration |
| Sensor Type | Flow-through / immersion / submersible, industrial gel-filled electrodes |
| Electrode Materials | Glass / double junction (high TDS / chlorine) |
| Mounting | Wall / Panel / Field IP65 / IP67 |
| Ambient Conditions | 0–55°C electronics operating |
| Process Compatibility | High TDS, cooling tower water, effluent, chemically treated water |
| Alarms & Diagnostics | Electrode fail, calibration alarm, slope/life check |
| Applications | STP/ETP discharge, boiler dosing, neutralization, cooling tower blowdown |
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