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Oxygen meters

Laboratory or portable oxygen meters are used to measure dissolved oxygen in water and other solutions. Their purpose is to determine the saturation of a solution with oxygen or biological oxygen demand (BOD), an indicator of the biodegradable material in the sample. Dissolved oxygen meters work in conjunction with LDO Intellical fluorescent optical sensors to measure the amount of oxygen gas dissolved in a water sample. Dissolved oxygen is an important water quality parameter that affects marine life, the taste of drinking water and the corrosivity of the water sample. Applications include analysis of groundwater, wastewater, aquariums and fish farms. Both individual devices and devices complete with sensors with cables of various lengths from 1 to 30 meters are available to order.

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Application area

Beverages 30 Brewing 22 Dairy industry 2 Drinking water 26 Environmental monitoring 26 Equipment for water utilities 8 Food production 24 Laboratory analysis 5 Medicine 8 Package control 2 Pharmaceuticals 14 Process control 20 Soil analysis 13 Treatment facilities 19 Wastewater 28 Water supply 11 Wine production 2

Type

Industrial 2 Laboratory 7 Portable 9 Portable-field 23

Industry

Pulp and paper 23 Power generation 19 Chemical 31 Municipal 28 Food and Beverage 39 Ecology 20 Pharmaceutical 18 Semiconductor 3

Brand name

Centec 2 HORIBA 1 Hach 26 Haffmans Pentair 3 Orbisphere 3 РreSens 5

Measurement Range

0 - 14 pH 13 0 - 100% O2 5 0 - 2000 ppb 1 0 - 25000 ppb O2 1 0.0 - 2,000 ppb 1 0.0 - 2000 ppb O2 1 0.05 - 20.0 mg/L O2 5 1 ppb - 2 ppm 2 2 - 14 pH 1

Accuracy

± 0.05 г/л 1 ± 1 ppb 1

Compatibility

PSt3 4 PSt6 2 SP PSt7 1 SP PSt8 1 PSt9 2

Power supply

24 VDC 1 battery 2

Number of inputs

single-channel 12 three-channels 3 two-channel 14

Operating temperature range

-5 - 45 °C 1 -5 - 55 °C 2 -5 - 100 °C 1 -5.0 - 40.0 °C 1 -5.0 to 40.0 1 0 - 50 °C 1 0 - 50 °C 1 0 - 60 °C 13

Measurement Range (2)

0 - 4,2 % O2 2 0 μS/cm - 200 mS/cm 4 0.1 - 45.0 mg/l 1 2.0 - 10.0 g/L CO2 1 ±1200 mV 5

Measurement Range (3)

0 mg/L - 50 g/L NaCl 5 0.05 - 20 mg/L O2 2

Version

multiparameter 26 single parameter 3

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Dual input meter HQ40D with dissolved oxygen probe LDO101 + conductivity cell CDC401

Portable two-channel multi-parameter device HQ40D for measuring pH, ORP, conductivity, TDS, resistivity, salinity, dissolved oxygen and BOD complete with laboratory sensor for dissolved oxygen LDO101 and conductivity sensor CDC401, cable length 1 m.

SKU: HQ40D.99.201301