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Oulong Technology Park, No.1 Jinma Road, High tech Zone, Weifang City, Shandong Province
Shandong Hengmei Electronic Technology Co., Ltd
Oulong Technology Park, No.1 Jinma Road, High tech Zone, Weifang City, Shandong Province








The HM-T04 series COD ammonia nitrogen total phosphorus total nitrogen detector is a product independently developed by Shandong Hengmei Electronic Technology Co., Ltd. It is designed and manufactured in full accordance with the new national regulation "Rapid Digestion spectrophotometric method (HJ/T 399-2007)" and is suitable for many domestic and foreign detection standards.
Mainly detecting COD, ammonia nitrogen, total phosphorus, total nitrogen and other indicators, with intelligent data analysis function, displaying data in charts and lists, making analysis clear at a glance; High definition color LCD touch screen, Android intelligent operating system, Chinese display interface, Chinese English keyboard, user-friendly operation, easier to use.
It can be widely applied to the detection of wastewater in various industries (industrial wastewater, urban sewage, domestic sewage, and surface water in rivers and lakes), and can meet the diverse needs of different users. It can be used for monitoring industrial wastewater and various domestic sewage in chemical, petroleum, coking, papermaking, metallurgy, brewing, pharmaceuticals, and other industries.
1. Adopting the brand new Android 7.1.1 intelligent operating system, with a user-friendly Chinese interface, it runs faster and has stronger stability.
2. 8-inch LCD touch screen display, user-friendly Chinese operation interface, intuitive and simple reading.
3. Adopting a precise colorimetric cell design and using consistent light sources can solve the problem of detection result errors caused by light source errors, resulting in more accurate detection results.
4. The light source adopts imported ultra high brightness light-emitting diodes, and the brightness of the light source can be automatically adjusted and calibrated.
5. Support color comparison methods such as 10mm, 30mm, 50mm dish color comparison, and φ 16mm tube color comparison, with multiple options to ensure measurement accuracy;
6. Equipped with wireless communication function, supporting WIFI RJ45、 Mobile hotspot network transmission, detection data can also be exported through USB flash drive;
7. Multi functional sample management, capable of naming samples in both Chinese and English, facilitating sample recording and data storage;
8. The instrument can permanently store 8 million sets of data, and for the convenience of searching for large amounts of data, it can be retrieved through time and analyzed at will;
9. Support HDMI output, convenient for user training, explanation, and large screen display.
10. The instrument is equipped with a supervision cloud platform, and the data can be uploaded through the LAN and the Internet, and can also be docked and uploaded to the platform of the environmental supervision department.
11. Built in thermal line printer, the content on the printing paper can be freely selected (including QR code printing);
12. AC 220V, optional 6-speed large capacity rechargeable lithium battery, convenient for outdoor mobile testing;
13. The firmware of the later product can be upgraded.
Wavelength configuration: 420nm 470nm 520nm 560nm 620nm 700nm;
Indication error: ≤ ±5%;
Repeatability: ≤ 2%;
Photochemical stability: numerical drift within 20 minutes ≤ 0.002A (100000 hours lifespan);
1 COD
According to the standard: HJ/T399-2007 Rapid Detection Method for Chemical Oxygen Demand in Water Quality
Detection range: 0-15000mg/L (segmented)
Detection limit: 0.7mg/L
2. Ammonia nitrogen
According to the standard: HJ535-2009 Determination of Ammonia Nitrogen in Water Quality Nash Reagent spectrophotometric method
Detection range: 0-250mg/L (segmented)
Detection limit: 0.02mg/L
3. Total phosphorus
According to the standard: GB 11893-89 Determination of total phosphorus in water quality Ammonium molybdate spectrophotometric method
Detection range: 0-33mg/L (segmented)
Detection limit: 0.02mg/L
4. Total nitrogen
According to the standard: EPA alkaline potassium persulfate spectrophotometric method
Detection range: 0-150 (segmented)
Detection limit: 0.5mg/L
Colorimetric method: Colorimetric tube (16mm digestion colorimetric integrated tube), colorimetric dish (10mm, 30mm, 50mm);
Operating System: Android 7.1.1 Intelligent Operating System
Operation interface: Chinese operation
Display screen: 8-inch (1024 * 768 resolution) high-definition color LCD touch screen;
Number of curves: 820 standard curves, 420 fitted curves
Network interface: USB2.0、HDMI、WiFi、 Bluetooth, hotspot RJ45;
Cloud platform: The instrument is equipped with a monitoring platform, connected to wired/wireless networks, and the detection results are directly transmitted to the environmental safety monitoring platform.
Printer: Thermal line printer;
Data storage: 8 million sets, can be freely accessed and viewed;
Data export format: Excel spreadsheet;
Instrument size: 367x243x125mm;
Instrument weight: 5.3 kg;
Environmental temperature: (5-40) ℃;
Environmental humidity: relative humidity<85% (no condensation);
Rated power: 20W
Working power supply: AC220V ± 10%/50Hz;
Configurable: Large capacity lithium battery.