Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of free residual chlorine analyzer in China. Welcome to buy high quality free residual chlorine analyzer in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
Key Specifications
| Item | Parameter |
|---|---|
| Product Model | TEM‑CL803 |
| Measured Parameter | Free Residual Chlorine / Chlorine Dioxide / Ozone (mode selectable) |
| Chlorine Measurement Range | 0 ~ 20.00 mg/L |
| Resolution for Chlorine | 0.01 mg/L |
| Minimum Detectable Concentration | 0.01 mg/L |
| Chlorine Measurement Accuracy | ±2% |
| Water Temperature Measuring Range | 0 ~ 99.9 ℃ (extreme allowable: ‑9.9 ~ 135 ℃) |
| Temperature Graduation Value | 0.1 ℃ |
| Temperature Measurement Accuracy | ±0.5 ℃ |
| Automatic Temperature Compensation Range | 0 ~ 99.9 ℃, reference temperature 25 ℃ |
| Required Sample Flow Rate | 200 ~ 250 mL/min |
| Analog Output | Isolated 4‑20 mA |
| Current Output Error | ≤ 1% FS |
| Alarm Relay Rating | AC220V, 3A (high alarm / low alarm) |
| Flushing Relay | Support external solenoid valve for electrode periodic cleaning |
| Display | 3.5‑inch IPS color LCD, resolution 480 × 320 |
| Chlorine Electrode Cable | 10 m (standard), customizable length |
| Historical Data Storage | 1‑year records, 10‑min sampling interval |
| Communication Interface | RS485, MODBUS‑RTU protocol |
| Power Supply | Standard: AC220V, 50Hz; Optional: DC12V, DC24V |
| Transmitter Dimension | 220 × 220 × 120 mm |
| Transmitter Weight | 0.8 kg |
| Ambient Working Temperature | 0 ~ 60 ℃ |
| Ambient Relative Humidity | ＜85% |
Features
- Display & Operation: 3.5‑inch high‑definition IPS color LCD screen with 480×320 resolution, simple and user‑friendly interface. Real‑time data including chlorine reading, water temperature, output current and timestamp can be displayed simultaneously.
- Multi‑parameter Measurement: Supports residual chlorine, chlorine dioxide and ozone measurement; multiple calibration methods available; automatic temperature compensation referenced at 25 ℃.,
- Control & Relay Output: Dosing control function is available for chemical dosing system. High‑low alarm relays rated AC220V, 3A. Built‑in flushing relay supports automatic periodic electrode cleaning with external solenoid valve.
- Signal & Communication: Isolated 4‑20 mA analog current output; RS485 communication interface compliant with MODBUS‑RTU protocol for connecting PLC or upper monitoring system.
- Data Logging & Export: On‑board storage chip stores historical data for up to one‑year with 10‑minute recording interval. Optional functions: standard data saving, data export and mobile Bluetooth data export.
- Mechanical & Environmental Performance: Protective rear cover provides strong anti‑interference capability. Standard electrode cable length is 10 m, custom‑length cable is acceptable.
- Power Options: Standard power supply AC220V 50Hz; optional DC12V / DC24V power input.
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