Product Description:
COD ammonium nitrogen, total phosphorus and total nitrogen rapid analyzer, COD determination, ammonia nitrogen determination, total phosphorus determination, and total nitrogen determination are all developed according to the documents issued by the State Protection Administration, and the measurement results are accurate and effective. COD adopts closed digestion colorimetry, ammonia nitrogen adopts Nessler's reagent colorimetry, total phosphorus adopts closed digestion colorimetry, and total nitrogen adopts closed digestion ultraviolet light absorption method. The instrument is widely used in environmental testing, sewage treatment, scientific research units and colleges and universities. COD ammonia nitrogen, total phosphorus and total nitrogen rapid tester, high-precision COD ammonia nitrogen, total phosphorus and total nitrogen tester.
Technical Features:
The COD measurement uses the method approved by the US EPA, which complies with HJ/T399-2007, and the measurement is accurate and effective.
Ammonia nitrogen is determined using a method approved by the US EPA, in compliance with HJ535-2009, and the determination is accurate and effective.
The determination of total phosphorus is designed and developed according to GB11894-89, and the determination results are accurate and effective.
Adopt high brightness and long life cold light source, optical performance, light source life up to 100,000 hours.
Large-screen LCD display in Chinese, easy to operate and time-saving.
Can save 20 standard curves and 999 measured values (date, time, parameters, test data).
Memory standard working curve, users can also calibrate the curve as needed.
COD ammonium nitrogen, total phosphorus and total nitrogen rapid tester, high-precision COD ammonia nitrogen, total phosphorus and total nitrogen tester has data power-off protection function and data storage function.
With USB interface, the data can be transferred to the computer.
With the printing function, the test records can be printed immediately or query records can be printed.
The digester is generally used for digestion of COD, total phosphorus, total nitrogen and other items; intelligent PID temperature control technology, uniform heating and fast heating speed.
Digester temperature automatic control, anti-over-temperature protection system, display current temperature, set temperature, time.
Technical Parameters:
Measuring range: chemical oxygen demand (COD): 5-10000mg/L segmented measurement
Ammonia nitrogen: 0.01-50mg/L; total phosphorus: 0.02-20mg/L
Total nitrogen: 0.05-100mg/L
Measurement error: chemical oxygen demand (COD): 5-200mg/L; error ≤ 5mg/L 100-10000mg/L;
Relative error:≤±5%
Ammonia nitrogen: ≤±3% (FS); total phosphorus: ≤±3% (FS)
Total nitrogen: ≤±5% (FS)
Repeatability: Chemical Oxygen Demand (COD): ≤3%
Ammonia nitrogen: ≤3%; total phosphorus: ≤3%; total nitrogen: ≤±%
Digestion temperature: Chemical oxygen demand (COD): 165℃±1.5℃
Total Phosphorus: 125℃±1.5℃; Total Nitrogen: 125℃±1.5℃
Digestion time: chemical oxygen demand (COD): 15min
Total phosphorus: 30min; total nitrogen: 30min
Anti-chlorine interference: chemical oxygen demand (COD): 1000mg/L
Power Consumption: Host 100W Digester: 650W
Dimensions: host 310×230×150 (mm)
Digestion instrument: 230mm×340mm×130mm
Weight: The host is less than 3kg, the digestion instrument is less than 6.7kg
