STIP-scan

Detect the content of ammonia nitrogen, the range is 0.05mg/L-50mg/L, no digestion is required, and the digestion Colorimetric integrated detection is used, which conforms to the HJ535-2009 standard.

Detect the Total nitrogen content, the range is 0.5mg/L-100mg/L (measured in sections), the digestion is carried out in a Water Bath at 125 ℃ for 30min, and the digestion Colorimetric integrated detection is adopted, which conforms to the EPA certification method.

Detect the content of hexavalent chromium, the range is 0.01mg/L-5mg/L (measured in sections), no digestion is required, the detection time is 10 to 15 minutes, and the digestion Colorimetric integrated detection is used, which conforms to the GB7467-87 standard.

AR8210 written test dissolved oxygen Tester can measure the pH value of the solution and display the temperature of the measured liquid. Dissolved oxygen Tester is widely used in industry, laboratory, agriculture, agriculture, breeding, scientific research and environmental protection and other fields.

AR8406 dissolved oxygen instrument dissolved oxygen measurement range 0.0~30.0 mg/L (mg/L), dissolved oxygen resolution 0.1mg/L, dissolved oxygen accuracy +/- 3.0% full scale, LCD large screen display, automatic temperature compensation

Measurement range 5.00~200.00mg/L, error of indication ≤ +/- 5%, Repeatability ≤ 3%, Optical inspection Stability ≤ 0.002A/20min, LCD Chinese display, imported high performance, long life (100,000 hours), high luminance Light source, with narrow band filter system.

Measurement range 0.02~ 10mg/L, error of indication ≤ +/- the largest of 5% FS or 0.2mg/L, Repeatability ≤ 3%, digestion environment 120 ℃ +/- 1.0 ℃, digestion time 30 minutes, Optical inspection Stability ≤ 0.002A/20min, batch capacity 16 water samples

Measurement range of dissolved oxygen is 0.00~20.00mg/L, which can measure the pH value of the solution and display the temperature of the measured liquid. Dissolved oxygen Tester is widely used in industry, laboratory, agriculture, breeding, scientific research and environmental protection.

Bagged pH standard buffer with pH values of 4.01, 6.86 and 9.18 for 250 ml standard solution

Measurement range 0.02~ 10.00mg/L. Divided into two ranges: 0.02~ 2.00mg/L, 2~ 10.00mg/L., error of indication ≤ +/- 3% FS, Optical inspection Stability < 0.002A/20min, Repeatability ≤ 3%

Measurement range 0.02~ 1.00mg/L, error of indication ≤ +/- 5%, Optical inspection Stability < 0.002A/20min, Repeatability ≤ 3%, can automatically process the data and directly display the nickel concentration value of the water sample.

Standard portable Dissolved Oxygen Meter, 1 or 2 point calibrated, automatic end point lock, 9 function parameters can be customized in the setting menu, the meter is suitable for measurement of dissolved oxygen concentration and percentage saturation of samples, Measurement accuracy: 0.2mg/L.

Accurate measurement of residual chlorine and total chlorine in water, LED Light source with long life and high-performance microcontroller technology, support single and multi-point calibrating, Data storage, USB communication and waterproof and dustproof functions, suitable for drinking water, medical wastewater, swimming pool water and other water quality Determination of residual chlorine and total chlorine.

Economical portable Dissolved Oxygen Meter, 1 or 2 point calibrated, can set the salinity and atmospheric pressure coefficient, the instrument is suitable for measurement of dissolved oxygen concentration and percentage saturation of samples, Measurement accuracy: 0.5mg/L.

Measurement range 0~ 10mg/L, minimum indication 0.001mg/L, Repeatability 2%, error of indication +/- 5% F.S.

Standard Portable Water Quality Sclerometer, 5-point button calibrated, optional Water Hardness Unit, the meter is suitable for measurement of calcium and magnesium ion concentration of samples, measurement accuracy: 1% F.S.