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High performance portable conductivity/Dissolved Oxygen Meter with 5 measurement functions for outdoor measurement of sample conductivity, total dissolved solids (TDS), salinity, resistivity, dissolved oxygen concentration and saturation.

Economical pen Dissolved Oxygen Meter, 1 or 2 point calibrated, automatic temperature compensation, the meter is suitable for measurement of dissolved oxygen concentration and percentage saturation of samples, measurement accuracy 0.5mg/L.

Multi-range pen TDS meter, 1 to 3 point calibrate, 5 function parameters can be customized in the setting menu, the meter is suitable for measurement of total dissolved solids of liquids, measurement accuracy: 1% F.S.

Multipurpose pen ORP meter, equipped with standard BNC connector, can connect all kinds of oxidation reduction electrode, the instrument is widely used in the environment and industrial fields, measurement accuracy: 2mV.

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.

High-performance wireless Bluetooth Water Hardness Meter, suitable for Android smartphones or tablets, 5-point button calibrated, 12 function parameters can be customized in the settings menu, Measurement accuracy: 1% F.S.

Two-channel measurement data, based on Android Operating system, including 8 measurement functions, the instrument is suitable for outdoor, aquaculture measurement of sample pH, oxidation reduction potential (ORP), Ion concentration, conductivity, total dissolved solids (TDS), salinity, resistivity.

● Dissolve oxygen concentration range: 0.0~20.0mg/L, accuracy : +/- 0.5mg/L ●% saturation range: 0~200%, accuracy : +/- 2.0% ● 1 or 2 point calibrate, automatic temperature compensation, optional salinity and atmospheric pressure coefficient, ● Automatic terminal lock, automatic shutdown, 100 sets of data storage, USB Communication interface

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.

At the same time pH, conductivity value, support 1~ 3 point calibrating, automatic temperature compensation, automatic identification of standard solution, PH Measurement range 0.00~14.00pH, PH Measurement accuracy +/- 0.05pH.

General TDS standard solution, TDS value 71.8 ppm, capacity 480 ml

Capacity 480ml, solution bottle PTFE, Dimension φ 65 × 190mm, weight 500g, for soaking pH electrodes and keeping pH sensitive membranes moist.

General TDS standard solution, TDS value 7447ppm, capacity 480ml

Equipped with polarographic electrodes, based on the Android Operating system, the setting menu can customize 15 functional parameters, the instrument is suitable for measurement of dissolved oxygen, BOD, OUR and SOUR, Measurement accuracy: 0.2mg/L.

Equipped with British original electrodes, based on Android Operating system, 2 to 5 point calibrated, setting menu can customize 12 function parameters, Measurement accuracy: 1% F.S.

Measure the relative and absolute mV value of the sample, based on the Android Operating system, 1 point offset calibrated, the setting menu can customize 10 function parameters, Measurement accuracy 0.2mV.

Ring Platinum, Operating temperature 0~100 ℃, 32~ 212 ° F, Reference Type Ag/AgCl, Liquid Boundary Type Ring Ceramic, Shell Material Glass

Polarographic, saturated output 400 nA ( +/- 25%), zero output < 1%, operating Environmental temperature 0~80 ℃, 32~ 176 ° F, shell material epoxy resin

Needle platinum, Operating temperature 0~80 ℃, 32~ 176 ° F, Reference type Ag/AgCl, Liquid interface type PTFE, Housing material PC

Concentration Measurement range 5 × 10-6~ 1M, 1.8~ 35500ppm, pH Measurement range 2~ 12pH, Operating temperature 0~80 ℃, 32~ 176 ° F, interference source CN-, Br-, I -, OH-, S2O3-, NH3, shell material epoxy resin

Ring platinum, Operating Environmental temperature 0~80 ℃, 32~ 176 ° F, Reference type Ag/AgCl, Liquid interface type PTFE, Housing material PC