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Meters and probes pH Oxygen Conductivity

Conductivity, Dissolved Oxygen, Redox Potential, pH, TDS: If you want to control these parameters, you need to use electrochemical meters to reliably and quickly characterize water quality. The devices can work in any environment, they are portable, intuitive and easy to use. The HQD laboratory multivariable meters or the HQ and HQd series portable meters are useful helpers for analyzing industrial wastewater, drinking water, swimming pool water, or water used in the food and beverage industry. Hach Intellical sensors are automatically recognized by the meter and are compatible with both measurement platforms. The sensors are available in both laboratory and field versions. The prices for the "HQ series portable meter or HQd + sensor" kits are lower than when purchasing these items separately. Filter by parameter or contact us to find a meter, sensor, solutions and standards that meet your specifications.

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Application area

Beverages 78 Brewing 82 Dairy industry 7 Drinking water 213 Environmental monitoring 66 Equipment for water utilities 23 Food production 91 Industrial 13 Laboratory analysis 119 Medicine 16 Pharmaceuticals 23 Pools and spa 5 Process control 98 Reagents 3 Soil analysis 32 Treatment facilities 94 Wastewater 234 Water filtration 2 Water supply 39

Type

Conductivity Standard Solution 31 Field 7 Filling solution 6 Industrial 60 Laboratory 49 Liquid reagents 3 On-line 3 Pocket 13 Portable 6 Portable-field 51 Powder pillows 13 Reagents in ampoules 1 Standard pH solutions 46 Standard solutions - one-parameter analysis 1

Brand name

Centec 1 HORIBA 33 Hach 204 Hanna Instruments 16 Mettler Toledo 23 Optek 2 ProMinent 30 WTW 1 РreSens 7

Parameters

Ammonia 15 Ammonium 12 BOD 8 Chloride 14 Chlorine free 3 Chromaticity 3 Conductivity 76 Dissolved oxygen 44 Fluoride 13 Fluorine 3 Nitrate 16 ORP (redox potential) 31 Pressure 3 Resistivity 16 Salinity 22 Sodium 13 TDS (Total Dissolved Solids) 36 Temperature 22 Turbidity 4 pH 145

Measurement Range

-15 - 170 °C 1 -999 - +999 mV 2 -1500 - 1500 mV 1 0 - 10 мкСм/см до 0 - 850 мСм/см 1 0 - 10.00 ppt 2 0 - 14 pH 47 0 - 19.99 mS/cm 1 0 - 20 mg/L O2 1 0 - 22.5 mg/L O2 7 0 - 99.9 µS/cm 1 0 - 1990 µS/cm 1 0 - 1999 ppm 1 0,0…200,0 мкСм/см; 0…2000 мкСм/см; 200,0…700,0 мкСм/см; 2000…9999 мкСм/см 1 0-200 % кислорода (насыщение) 1 0...14 2 0.0 - 1999 µS/cm 2 0.0 µS/cm - 200 mS/cm 7 0.01 - 20 mg/L O2 1 0.01 mg/L (5 x 10-7 M) - 14 g/L (1 M) NH3-N 2 0.01 mg/L (5 x 10-7 M) - 19 g/L (1 M) F- 2 0.018 mg/L (10-6 M) - 9 g/L (0.5 M) NH4-N 2 0.023 mg/L (1 x 10-6 M) - 23 g/L (1 M) Na+ 2 0.05 - 20.0 mg/L O2 7 0.05 - 20.00 mg/L 2 0.1 mg/L (3 x 10-6 M) - 35.5 g/L (1 M) Cl- 2 0.1 mg/L (7 x 10-6 M) - 14 g/L (1 M) NO3-N 2 1...11 1 2 - 14 pH 7 12.85 mS/cm 1 12.88 mS/cm 4 25 µS/cm 1 46.7 µS/cm 1 100 µS/cm 1 111.3 mS/cm 1 146.9 µS/cm 2 147 μS/cm 3 180 µS/cm 1 200 mV 1 445 µS/cm 1 600 mV 1 1000 μS/cm 1 1015 µS/cm 1 1408 µS/cm 1 1412 µS/cm 1 1413 µS/cm 5 1417 µS/cm 1 1990 µS/cm 1 3960 µS/cm 1 10000 µS/cm 1 12890 µS/cm 1 18000 µS/cm 1 pH (0-13) 1 pH 0...12 1 pH 0…14 1 pH 1-12 1 pH 1.09 1 pH 1.679 2 pH 1–12 4 pH 2.00 1 pH 4,005 1 pH 4.01 8 pH 4.01 and 7.00 1 pH 4.010 1 pH 4.65 1 pH 6,86 1 pH 6.865 1 pH 7,01 and10,01 1 pH 7.00 11 pH 7.00 and 10.01 1 pH 7.01 2 pH 7.010 1 pH 7.413 1 pH 9.21 2 pH 9.23 1 pH 9.180 1 pH 10.00 1 pH 10.01 10 pH 10.010 1 pH 10.012 1 pH 11.00 1 pH 12.45 1 pH диапазон −2.000 до 16.000 1 ± 1200 mV 4

Accuracy

0,1 pH 1 1 °C 1 1% FS 3 2 mV 1 2% FS 2 Cond, Sal, TDS ±1%, Temp ±0,5°C 1 Cond, Sal, TDS ±1%, Temp ±0,5°C, pH ±0,01 1 ± 0.01 pH 5 ±0.02 mV or 0.05% 15 ± 0.02 pH 6 ±0.1 mg/L 0-8 mg/L; ±0.2 mg/L for greater than 8 2 ±0.5% 2 ± 2 mV 1

Measurement method

ISE 3

Power supply

4 AAA alkaline batteries 12

Number of inputs

single-channel 29 three-channels 3 two-channel 26

Operating temperature range

-10 - 100 °C 4 -10 - 110 °C 3 -10 – 40 °C 1 -10 – 90 °C 1 -25...+65 °C 1 0 - 40 °C 4 0 - 50 °C 27 0 - 60 °C 19 0 - 80 °C 6 0 - 100 °C 9 0 - 130 °C 1 0-60 °C 1 0-100 °C 1 5 - 50 °C 4 до 130 °C 1 −5 до 100 °C 1 −5…70 °C 1 −5…100 °C 1

Features

Double Junction; до 80 °C / 8 бар; IP65; PG 13.5; устойчивость к водорастворимым химикатам 1 До 80 °C / 6 бар; RoHS; защита кабеля от скручивания; версия PHEPT с Pt100 1 Пластиковый корпус из поликарбоната; без монтажной резьбы; только атмосферное давление; для ручных измерений; RoHS 1 Пополняемый электролит KCl; только атмосферное давление; до 80 °C; версия 3D для низкой электропроводности от 50 мкСм/см 1

Sensor type

4-pole graphite 2 Ceramic 5 Gas sensing: glass with replaceable NH3 sensitive membrane 2 Glass 12 Lumiphore 3 Platinum disc 3 Solid state PVC membrane 4 Solid state crystalline membrane 4

Compliance with the standard

IP65 4

Number of tests

15 3 20 4 50 2 250 2

Measurement Range (2)

0 - 10 ppt; 0.0 - 1.0 % 2 0 mg/L - 50.0 g/L NaCl 4 0 μS/cm - 200 mS/cm 11 0...100 °C 1 0…100 °C 1 30 ppm TDS 1 300 ppm TDS 1 1000 ppm TDS 1 3000 ppm TDS 1 ±1200 mV 5

Measurement Range (3)

0 - 42 ppt or ‰ 3 0 - 999 ppm 2 0 mg/L - 50 g/L NaCl 5 0.05 - 20 mg/L O2 2

Concentration

1 mg/L NH3-N 1 1.00 ±0.01 mg/L NO3-N 1 1.00 ±0.02 mg/L F- 1 2.00 ±0.04 mg/L F- 1 10 mg/L NH3-N 1 10 ± 0.1 mg/L NO3-N 1 10.0 ± 0.2 mg/L F- 1 100 mg/L Cl- 1 100 mg/L NH3-N 1 100 mg/L Na+ 1 100 ± 0.1 mg/L NO3-N 1 100 ± 2 mg/L F- 1 1000 mg/L Cl- 1 1000 mg/L NH3-N 1 1000 mg/L Na+ 1 1000 ± 10 mg/L NO3-N 1 ISA 3

Version

multiparameter 46 single parameter 12

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SKU: HE-960RW-GC