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Model：
HD-ZXNaCl
Introduction：
Online Salinity Meter measures the total salt content of water using a conductivity sensor and the salinity-conductivity relationship. Widely used for seawater, aquaculture, drinking water and industrial water monitoring....
The salinity meter is an instrument that uses a conductivity sensor to measure the total salt content of water. The conductivity of an electrolyte solution is the conductance of a 1 cm cube of solution between two parallel electrodes 1 cm apart. Once the conductivity (EC) is known, the salinity value can be obtained from the relationship between salinity and conductivity.
1. LCD screen with a Chinese interface, making operation simple and convenient.
2. High-precision 24-bit ADC signal acquisition and anti-interference circuit for higher precision and greater stability.
3. Photoelectrically isolated 4–20 mA current output and RS-485 / RS-232 communication interface.
4. Optional upper-computer online acquisition software from our company for data acquisition and analysis.
5. One-key calibration with standard solution; built-in watchdog with data retention exceeding 10 years after power failure.
6. Dual-relay upper and lower limit alarm output.
7. Physical measurement method; no electrolyte consumption and no periodic maintenance.
8. Special functional requirements can be customised.
| Measuring range | 0–200 mg/L, 0–2,000 mg/L, 0–20 g/L, 0–50 g/L |
| Resolution | 0.1 mg/L, 0.01 g/L |
| Power supply | AC 220 V / DC 24 V, input power ≥ 5 W |
| Output | RS485, 4–20 mA, relay (optional), HART protocol (optional), NB / GPRS / LORA communication (optional) |
| Protection class | IP65 (controller) / IP68 (sensor) |
| Operating temperature | 0–60 °C (non-freezing) |
| Storage temperature | −10–60 °C |
| Installation | Top-mount / top flange / side-wall / pipe / immersion |
| Controller dimensions | Wall-mounted, 156 × 150 × 85 mm |
| Cut-out size | Wall-mounted, 156 × 94 mm |
| Cable length | 10 m standard (extendable on request) |
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