Introduction: HK-388 online hardness monitor adopts microcomputer design, liquid crystal display, instrument panel cabinet installation, and is widely used in power plants, water treatment, pure water industry and online treatment engineering ion value control. Features: 1. Microcomputer design, LCD display, instrument panel cabinet installation; 2. Small size, integrated equipment integration; 3. High-precision AD conversion technology, high precision and good repeatability; 4. Two-point calibration mode, which can correct sensor errors; 5. Long-term use is stable and reliable, and easy to maintain; 6. High-precision automatic temperature compensation system; 7. Adapt to various types of measuring electrodes; 8. A variety of signal output, alarm settings, typical dosing control; 9. Various installation methods and easy maintenance; 10. The front panel of the instrument is designed to NEMA4 specification, so that the instrument has the functions of waterproof and vapor proof. Technical Parameters: Display mode: LCD liquid crystal display Measuring range: 0~1000mg/L; 0~+1999mV Accuracy: F.S.2%; ±3mV Resolution: 0.01 mg/l; 1mV Environmental conditions: -20-55℃ Environmental humidity: relative humidity ≤90% Current output: 4～20mA, maximum load 750W Alarm output: two sets of relays, AC230V /5A Relay hysteresis: adjustable Power supply: AC220V±10%
Introduction: HK-388 online hardness monitor adopts microcomputer design, liquid crystal display, instrument panel cabinet installation, and is widely used in power plants, water treatment, pure water industry and online treatment engineering ion value control.
