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Model：
HD-TVFA
Introduction：
Volatile Fatty Acid Analyzer measures volatile fatty acid concentration in water by the spectrophotometric method. Widely used for research, universities, wastewater treatment plants and water environment testing....
The volatile fatty acid analyser is designed and manufactured with reference to the standard method. It mainly determines the volatile fatty acid concentration of water and also provides intelligent data analysis with chart and list displays, a high-definition colour LCD touch screen, an Android smart operating system, a Chinese interface and a Chinese/English keyboard. It is widely used in research, universities, wastewater treatment plants, water environment testing and enterprise wastewater self-monitoring.
Widely used in research institutes, universities, wastewater treatment plants, water environment testing and enterprise wastewater self-monitoring.
1. Android 7.1.1 smart operating system with a user-friendly Chinese interface for faster response and greater stability.
2. 8-inch LCD touch screen with intuitive readout.
3. Precision colorimetric cell design with a consistent light source, eliminating errors caused by light source variation and improving accuracy.
4. Imported ultra-bright LED light source with automatic brightness adjustment and calibration.
5. Supports φ16 mm digestion colorimetric tubes.
6. Wireless communication via Wi-Fi, RJ45 and mobile hotspot; data can also be exported through a USB drive.
7. Multi-functional sample management with Chinese/English sample naming for convenient recording and storage.
8. 8 million data sets can be stored permanently; records can be searched by time and selected for analysis.
9. Built-in regulatory cloud platform: data can be uploaded over a LAN or the Internet and interfaced with the platform of the environmental supervision authority.
10. Built-in thermal line printer with freely selectable print content, including QR codes.
11. AC 220 V supply with an optional 6 Ah rechargeable lithium battery for field testing.
12. Built-in instructional videos let users watch the procedure while operating the instrument.
13. Firmware can be upgraded later.
| Indication error | ≤ ±5 % |
| Stability | < 0.5 % |
| Repeatability | < 0.5 % |
| Photochemical stability | Drift ≤ 0.002 A within 20 min (100,000 h lamp life) |
| Measuring method | Esterification spectrophotometry (no distillation step; result within 20 minutes) |
| Measuring range | 0.5–60 mmol/L |
| Colorimetric method | φ16 mm digestion colorimetric tube |
| Operating system | Android 7.1.1 smart operating system |
| Operating interface | Chinese or English |
| Display | 8-inch (1024 × 768) HD colour LCD touch screen |
| Network interface | USB 2.0, Wi-Fi, Bluetooth, hotspot, RJ45 |
| Cloud platform | Built-in regulatory platform; results are transmitted directly to the environmental safety supervision platform via wired or wireless network |
| Printer | Thermal line printer |
| Data storage | 8 million data sets, freely recallable |
| Data export format | Excel spreadsheet |
| Dimensions | 367 × 243 × 125 mm |
| Weight | 5.3 kg |
| Ambient temperature | 5–40 °C |
| Ambient humidity | < 85 % RH (non-condensing) |
| Rated power | 10 W |
| Power supply | AC 220 V ±10 %, 50 Hz |
| Optional | Large-capacity lithium battery |
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