1、 Equipment Introduction:

The COD ammonia nitrogen total phosphorus total nitrogen detector is designed and manufactured with reference to the standard "Rapid digestion spectrophotometric method (HJ/T399-2007)", and is suitable for many detection standards at home and abroad.

Mainly detecting COD, ammonia nitrogen, total phosphorus, and total nitrogen 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 and English keyboard, user-friendly operation, standard configuration of intelligent 28 hole dual temperature zone rapid digestion instrument, making use simpler and more convenient.

2、 Widely used:

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.

3、 Functional features:

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. 10.1-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, and 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. Built in teaching demonstration videos, users can watch the operation videos inside the instrument while conducting experimental operations, making it easier to get started.

14. The firmware of the later product can be upgraded.

4、 Technical parameters:

Indication error: ≤± 5%;

Instrument stability:<0.5%;

Instrument repeatability:<0.5%;

Photochemical stability: numerical drift within 20 minutes ≤ 0.002A (100000 hours lifespan);

1. COD (COD)

Testing method: Rapid detection method for chemical oxygen demand in water quality

Reference standard: HJ/T399-2007

Detection range: 0-15000mg/L (segmented)

Detection limit: 3mg/L

2. Ammonia nitrogen

Detection method: Determination of ammonia nitrogen in water quality by Nash reagent spectrophotometry

Reference standard: HJ535-2009

Detection range: 0-200mg/L (segmented)

Detection limit: 0.05mg/L

3. Total phosphorus

Testing method: Determination of total phosphorus in water quality - Ammonium molybdate spectrophotometric method

Reference standard: GB11893-89

Detection range: 0-30mg/L (segmented)

Detection limit: 0.02mg/L

4. Total nitrogen

Testing method: HJ 636-2012

Detection method: Determination of total nitrogen in water quality by alkaline potassium persulfate digestion UV spectrophotometry

Detection range: 0-200mg/L (segmented)

Detection limit: 0.5mg/L

5、 Physical parameters

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 or English operation interface;

Display screen: 10.1-inch high-definition color LCD touch screen;

Network interfaces: USB 2.0, 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: 444 x 303 x 173 mm;

Instrument weight: 5.2kg;

Environmental temperature: (5-40) ℃;

Environmental humidity: relative humidity<85% (no condensation);

Rated power: 10W

Working power supply: AC220V ± 10%/50Hz;

Configurable: Large capacity lithium battery.

6、 Intelligent 28 well dual temperature zone digestion instrument indicators:

Display mode: 8-inch high-definition color touch screen;

Dissolving quantity: 28 (dual temperature zone/14 samples per temperature zone, independently heated);

Temperature control method: intelligent PID temperature control;

Temperature control range: adjustable from room temperature to 200 ℃;

Heating speed: rise to 165 ℃ within 10 minutes;

Dissolving capacity: 0-10ml;

Dissolution aperture: Φ 16mm/10ml dissolution colorimetric tube;

Test tube depth: 55mm;

Temperature control accuracy: ± 0.5 ℃;

Temperature control time: 0-999 minutes (self set);

Preset digestion modes: COD, total phosphorus, total nitrogen, permanganate, sulfate, formaldehyde;

Custom resolution mode: 3 options;

Constant temperature prompt: supported;

Resolution completion prompt: supported;

Alarm method: buzzer alarm;

Security protection: dual protection (over temperature protection+protective cover protection);

Instrument power consumption:<1000W;

Environmental temperature: (5-40) ℃;

Relative humidity: ≤ 85% (no condensation);

Dimensions: (367 * 251 * 176) mm (length * width * height);

Instrument weight: ＜ 5.7kg;

Power supply: AC (220 ± 22) V, (50 ± 0.5) Hz;