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Model:
HD-TOCDJ
Introduction:
Online TOC Analyzer (Electrode Method) measures total organic carbon in water online by deep UV LED absorption with a self-cleaning sensor, no reagents required. Widely used for pure water and drinking water monitoring....
The TOC sensor uses an advanced deep-UV UV-LED cold light source with a long service life and low drift. It applies the internationally accepted and proven high-accuracy UV absorption method. No sample pre-treatment is required, the reaction and analysis are fast, and neither reagents nor a sampling device are needed. The sensor has a mechanical self-cleaning function and uses a 550 nm compensation light source, which effectively eliminates the influence of turbidity and colour on the measurement.
1. LCD screen with a Chinese interface, making operation simple and convenient.
2. Good repeatability; not affected by sample flow rate or pressure.
3. Imported TI chip and anti-interference circuit for higher precision and greater stability.
4. Photoelectrically isolated 4–20 mA current output and RS-485 / RS-232 communication interface.
5. Adjustable hysteresis (dead band) prevents the relay from switching too frequently.
6. Built-in watchdog; data retention after power failure exceeds 10 years.
7. Dual-relay upper and lower limit alarm output.
8. The sensor is compensated for temperature and turbidity, which corrects their influence on the TOC value.
9. UV254 measurement; no electrolyte consumption and no periodic maintenance.
10. Special functional requirements can be customised.
| Measuring range | 0–100 mg/L |
| Resolution | 0.1 mg/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 | 0–40 °C (non-freezing) |
| Storage temperature | −10–40 °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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