Description
Overview
GAOTek Calcium Ion Electrode Meter is a basic digital hardness sensor for conventional water quality monitoring; it is made of industrial online electrodes and PVC membrane ion-selective electrodes, which can selectively test water hardness, with fast response and accurate measurement. Built-in temperature sensor, automatic temperature compensation, suitable for online long-term monitoring environment.
Features
- Rs-485 digital sensor with temperature compensation
- Dual salt bridge, strong anti-interference
- Easy 3/4″ NPT mounting
- Low-power, robust design
- Replaceable electrode for diverse water applications
Technical Specifications
| Measurement Range | 0 mg/L to 100 mg/L or 0 mg/L to 1000 mg/L (Two ranges are optional, default 0 mg/L to 100 mg/L) |
| Resolution | 0.1 mg/L |
| Basic Error | ±5% F.S. |
| Signal Output | RS-485 (Modbus or RTU) |
| pH Range | 4 pH to 10 pH |
| Working Conditions | 32 °F to 122 °F (0 ℃ to 50 ℃); ＜ 0.2 MPa |
| Calibration Method | Two-point calibration |
| Response Time | 60 seconds T90 |
| Temperature Compensation | ATC |
| Power Supply | 12 V DC to 24 V DC |
| Protection Grade | IP68 |
| Cable Length | Standard 10 meters, can be customized |
| Housing Material | POM or PVC |