Hanna Saltwater Magnesium Checker HI-783

  • £84.95
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    Hanna Saltwater Magnesium Checker HI-783

    The HI-783 pocket checker is a simple and accurate way to measure magnesium.

    Remove the Checker HC handheld colourimeter and accessories from the packing material and examine it carefully. If you require any further information, please contact Hanna Instruments’ technical support team. Each HI783 is delivered in a case with a custom insert and is supplied with:

    • Sample cuvette and cap (2 pcs.)
    • Marine Magnesium reagent starter kit (reagents for 25 tests)
    • 1 mL graduated syringe and tip (1 pc.)
    • 5 mL syringe and tip with black printing (1 pc.)
    • 5 mL syringe and tip with blue printing (1 pc.)
    • 1.5V AAA Alkaline battery (1 pc.)
    • Instruction manual
    • Quick-reference guide

    Note: Save all packing material until you are sure that the Checker HC handheld colourimeter works correctly. Any damaged or defective item must be returned in its original packing material with the supplied accessories.

    The HI783 Marine Magnesium handheld checker is designed to determine the concentration of magnesium in saltwater aquariums.

    The HI783 features a single-button operation system and is easy to use.
    The large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.

    Range 1000 to 1800 ppm Magnesium
    Resolution 5 ppm
    Accuracy ±5% of reading @ 25 °C (77 °F)
    Light source Light Emitting Diode @ 610 nm
    Light detector Silicon photocell
    Adaptation of the colourimetric EDTA method using calmagite indicator. The reaction between magnesium and the reagents cause a blue to violet tint in the sample.

    0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing
    Prepared sample cuvette (sample plus reagents) must be
    18 to 28 °C (64 to 82 °F).*
    Battery type 1.5V AAA Alkaline
    Auto shut-off After 10 minutes of non-use
    Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
    Weight 64 g (2.3 oz)
    Interferences Calcium below 300 ppm and above 500ppm
    * Warm or cool prepared cuvettes if needed.

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