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Model：
HD-SNO3
Introduction：
Handheld Nitrate Nitrogen Meter measures nitrate nitrogen in water by the chromotropic acid photometric method with an Android touch screen. Widely used for emergency monitoring, industrial wastewater, sewage and chemical industries....
The HD-SNO3 handheld nitrate nitrogen meter mainly determines the nitrate nitrogen content of water bodies. It was developed and manufactured with reference to the chromotropic acid photometric method, and is equipped with a high-definition colour LCD touchscreen and the Android smart operating system, with a Chinese interface and a Chinese/English keyboard for simple, user-friendly operation.
Emergency monitoring
Industrial wastewater
Domestic sewage
Sewage treatment
Pharmaceutical and chemical industry
Food and beverage
Textile printing and dyeing
Electroplating
Papermaking
Petroleum and metallurgy
River remediation
Research institutes and universities
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 | Nitrate nitrogen |
| Detection method | Chromotropic acid photometric method |
| Measurement range | 0.1–100 mg/L |
| Sample compatibility | φ16 mm (round) |
| Colorimetric method | Integrated digestion and colorimetric tube |
| 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 |
An optional portable Bluetooth printer is available.
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