Description
Overview
GAOTek ion sensor hardness tester has digital ion sensor with RS485 communication, Modbus protocol, corrosion-resistant housing (PPS+POM), and IP68 protection is ideal for water quality monitoring. Its industrial-grade composite electrode, temperature sensor, and precision make it suitable for research, chemical, agriculture, and wastewater applications in various water sources.
Technical Specification
| Ion’s type | F-, Cl-, Ca2+,NO3-,NH4+,K+, Hardness |
| Range | 0.02 ppm to 1000 ppm (mg/L) |
| Resolution | 0.01 mg/L |
| Voltage/power | 5.5 V to 28 V DC/≤0.6 W |
| Slope | 52 mV to 59 mV / 22 °F to 29. 77 °F (25 ℃) |
| Accuracy | <±2%, 77 °F (25 ℃) |
| Response time | <60 s (90% right value) |
| Communication | RS485, standard Modbus RTU protocol (optional for analog signal 4 mA to 20 mA) |
| Temperature compensation | PT 1000 |
| Dimension | D:1.8 in (30 mm) L: 9.8 in (250 mm), cable 1 m (customizable) /PPS/POM |
| Working environment | 32 °F to 104 °F (0 ℃ to 40 ℃) |
| Weight | 0.5 lb (220 g) |