Overview
Enviro Test Construct Calcium Ion Water Hardness Probe integrated online total hardness sensor is made of calcium and magnesium selective electrode based on PVC film, which is used to test the total hardness in water (calculated as CaCO3), with temperature compensation to ensure that the test is fast, simple, and Precise and economical. This user manual introduces the technical parameters, maintenance, and communication protocol of the total hardness sensor in detail.
Features
- Ion selective Method, high stability, long service life and small drift
- AC drive, effectively filtering natural light interference
- RS-485 and Modbus/RTU protocols are supported
- Convenient, fast, stable, and easy to maintain
Technical Specifications
| Range | 0 mg/L to 100.00 mg/L |
| Resolution | 0.01 mg/L |
| Precision | ±3% |
| Calibration Mode | Two points calibration |
| The Protection Grades | IP68 |
| Working Conditions | 32 °F to 122 °F (0 ℃ to 50 ℃), <0.2 MPa |
| Signal Output | RS – 485 (Modbus or RTU), 4 mA to 20mA |
| Supply Electricity | 12 V DC to 24 V DC |
| Power Consumption | 0.2 W @ 12 V |
| Cable Length | 5 m, other lengths can be customized. |
| Material | 316 L stainless steel. |
| Storage Temperature | 23 °F to 149°F (-5 ℃ to 65 ℃) |
| Weight | 4.41 lb. (2 kg) |
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