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Multi-parameter meters, bench, HQd (HQ430d / HQ440d)
Multi-parameter meters, bench, HQd (HQ430d / HQ440d)
  HACHHQ440D
 :  HACH
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Multi-parameter meters, bench, HQd (HQ430d / HQ440d)
  HACHHQ440D
 :  HACH

 

  • Temperature range:
    −10...+110 °C
  • Description:
    Multi-parameter meter, bench, HQ440d, with two input channels (without electrodes)
  • Seq:
    05
  • Model:
    HQ440d
  • ISE accuracy:
    ±0,1 mV
  • Temperature accuracy:
    ± 0,3 °C
  • Temperature resolution:
    0,1 °C
  • Conductivity accuracy:
    ±0,5% (1 μS/cm - 200 mS/cm)
  • Conductivity calibration:
    Demal (1D / 0,1D / 0,01D); Molar (0,1M / 0,01M / 0,001M); NaCl (0,05%/25 µS/cm/1000 µS/cm/18 mS/cm); standard sea water; user defined
  • Conductivity range:
    0,01 μS/cm - 200 mS/cm
  • Conductivity resolution:
    5 digits with 2 digits after decimal point
  • Connections:
    2 × M12 digital for IntelliCAL™ electrodes
  • DO concentration:
    0,00 - 20,0 mg/L
  • DO concentration resolution:
    0,01 mg/L
  • Data logging capacity:
    500 results
  • Display:
    Backlit graphical LCD (with simultaneous readings from two electrodes)
  • ISE resolution:
    0,1/0,01/0,001
  • ISE range:
    Electrode specific
  • Outputs:
    USB
  • Power supply:
    230 V with power supply or 4 × AA Alkaline batteries
  • Resistivity range:
    2,5 Ωcm - 49 MΩcm
  • Resistivity accuracy:
    ±0,5%
  • Salinity accuracy:
    ±0,1 mg/L (for range <8 mg/L)
  • Salinity range:
    0 - 42 g/kg
  • Salinity resolution:
    0,01 ppt
  • TDS accuracy:
    ±0,5%
  • TDS range:
    0,0 - 50,0 g/L
  • TDS resolution:
    max. 3 digits
  • Temperature compensation:
    Automatic, off, manual
  • Weight:
    0,85 kg
  • W×D×H:
    175×234×86 mm
  • mV accuracy:
    ±0,1
  • mV range:
    ±1500
  • mV resolution:
    0,1/ 0,01/ 0,001
  • pH accuracy:
    ±0,002
  • pH calibration:
    Colour-coded: 4,01/7,00/10,01; IUPAC: 1,679/4,005/7,000/10,012/12,45; DIN: 1,09/4,65/9,23; user-defined custom buffer sets
  • pH range:
    0 - 14
  • pH resolution:
    0,1/ 0,01/ 0,001
  • Pk:
    1

 

 

These advanced laboratory meters with one or two input channels are ideal for testing critical water quality parameters.

  • Single- or dual-input channel for pH, ORP, mV, temperature, conductivity, TDS, salinity, DO and ISE: For use with any IntelliCAL™ electrode
  • Simple user interface that does not require manuals or training to operate
  • Guided calibration and check standard routines reduce calibration errors while stabilisation alerts
  • Internal USB ports simplify data transfer, peripherals and software updates, and connection to PCs printer and keyboards
  • Fully GLP compliant communication and documentation
  • Ultra-bright screen and large font size for easy to read results

The meters connect with smart probes (IntelliCAL™) that automatically recognise the testing parameter, calibration history, and method settings to minimise errors and set-up time. They are designed to withstand years of continuous lab use.

 : Supplied with four batteries, universal power adapter, USB cable and electrode holder. IntelliCAL™ electrodes need to be ordered separately.

pH electrodes