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High-precision portable ORP meter, optional relative and absolute mV measurement mode, the instrument is suitable for outdoor measurement of pH and Oxidation-reducton potential of samples, measurement accuracy: 0.2mV.

Dissolved oxygen DO range: 0.00 to 50.00 mg/L (ppm), saturated dissolved oxygen: 0.0 to 500.0%, dissolved oxygen DO resolution: 0.01 mg/L (ppm), IP68 international waterproof grade, completely sealed waterproof and dustproof.

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.

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.

Support pH, Oxidation-reduction potential, dissolved oxygen concentration and saturation multiparameter measurement, automatic identification of pH standard buffer, automatic electrode slope display.

Measure pH/mV, conductivity and total dissolved solids (TDS) values, with a large backlit LCD screen, 1 to 5 point button calibrated.

Import electrode, while testing conductivity and dissolved oxygen, temperature, salinity, TDS, automatic temperature compensation, conductivity Measurement range 0~20mS/cm, dissolved oxygen range 0.00~20.00mg/L.

High-performance wireless Bluetooth ORP meter, suitable for Android smartphones or tablets, 1 point offset calibrated, 10 function parameters can be customized in the settings menu, Measurement accuracy: 0.2mV.

Using DPD Colorimetry, it can accurately measure residual chlorine, total chlorine and chlorine dioxide in water, 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, total chlorine and chlorine dioxide.

COD: 0~2000mg/L Ammonia nitrogen: 0.02~ 25mg/L Total phosphorus: 0.00~10mg/L, supports saving 30 standard Linear dispersions and 199 measured values, and is equipped with a USB port to connect to a computer for data recording and printing.

Can measure COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, heavy metals, inorganic salts and other dozens of parameters, standard optional 7 kinds of reagents, spectrophotometric measurement, digestion Colorimetric integrated tube detection, equipped with digestion instrument and pipette gun.

High-performance wireless Bluetooth Dissolved Oxygen Meter, suitable for Android smartphones or tablets, the meter has dissolved oxygen concentration, BOD, OUR and SOUR Measurement mode, Measurement accuracy: 0.2mg/L.

Measurement range 0.05~ 25.00mg/L, error of indication ≤ +/- 5% FS, Optical inspection Stability < 0.002A/20min, Repeatability ≤ 3%

Detection of iron content, the range is 0.01mg/L-50mg/L (measured in sections), no digestion is required, the detection time is 15 to 20 minutes, and the digestion Colorimetric integrated detection is used, which conforms to the HJ/T345-2007 standard.

Can simultaneously detect COD, ammonia nitrogen, total phosphorus, total nitrogen, heavy metals (total chromium, hexavalent chromium, copper, zinc, nickel, iron) various parameters, standard digestion instrument and pipette gun, Sensitivity up to 0.001mg/L.

The permanganate index (CODmn) was detected, the range was 0.1mg/L-10mg/L (measured in sections), the digestion was carried out in a Water Bath for 13min, and the digestion Colorimetric integrated detection was used, which conformed to the GB11892 standard.

Measurement range 0.05~ 100mg/L, error of indication ≤ +/- 5% or 0.2mg/L in the largest, Repeatability ≤ 3%, digestion instrument and measuring instrument separately, does not affect Measurement accuracy. Temperature PID automatic temperature control, timing.

Three-channel measurement data, based on Android operating system, including 8 measurement functions, the meter is suitable for outdoor measurement of sample pH, oxidation reduction potential (ORP), Ion concentration, conductivity, total dissolved solids (TDS), salinity, stivity, dissolved oxygen concentration and saturation.