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Model：
HD-YL03
Introduction：
Residual Chlorine, Total Chlorine and Chlorine Dioxide Meter measures three disinfectant parameters in water per HJ586-2010 and GB/T5750.11-2023. Widely used for drinking water, tap water, medical wastewater and industrial sewage....
The HD-YL03 meter was manufactured with reference to HJ 586-2010 and GB/T 5750.11-2023. Working with rapid colour-development reagents, it measures residual chlorine, total chlorine and chlorine dioxide quickly, simply, accurately and stably, helping users obtain reliable data, analyse water conditions more accurately and effectively, prevent problems in advance and avoid losses in good time.
Drinking water
Waterworks
Medical wastewater
Industrial wastewater
River monitoring
Swimming pools
Water source protection
Production monitoring
Scientific research and laboratories
1. Android smart operating system for simpler and faster operation.
2. Cloud monitoring platform: results can be transmitted wirelessly for short- and long-term water quality analysis and auxiliary management.
3. Built-in operating procedures - simple to use, no training required, ready to work straight away.
4. Fast detection with on-site data reading.
5. Portable, compact and light for convenient field testing.
6. Compact and attractive appearance, stable and maintenance-free operation, with a favourable cost-performance ratio.
7. Imported cold light source with stable optical performance and a service life of up to 100,000 hours.
8. AC/DC dual power supply with a built-in rechargeable lithium battery - environmentally friendly, durable and suitable for continuous indoor and outdoor work.
| Detection item | Measurement range |
|---|---|
| Residual chlorine | 0.04–3 mg/L; 0.2–15 mg/L |
| Total chlorine | 0.04–3 mg/L; 0.2–15 mg/L |
| Chlorine dioxide | 0.04–5 mg/L; 0.2–20 mg/L |
| Reference standard | HJ 586-2010; GB/T 5750.11-2023 |
| Measurement method | Photoelectric colorimetry |
| Repeatability | < 0.5% |
| Stability | < 0.5% |
| Wavelength selection | Automatic |
| Operating system | Android smart operating system |
| Display | 3.5-inch color LCD touchscreen |
| Sensitivity (absorbance) | 0.001 |
| Operating environment | 0–50 °C, 0–90% RH |
| Data storage | Over 80,000 records |
| Communication | Type-C, WiFi, hotspot, Bluetooth |
| Battery | 5,600 mAh lithium battery |
| Continuous operation | 8 hours |
| Power supply | 5 VDC |
| Dimensions | 190 × 77 × 72 mm |
| Net weight | 325 g |
| Language | Simplified Chinese / English |
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