Hanna Marine Magnesium Checker
Hanna Marine Magnesium Checker
Hanna Marine Magnesium Checker
Hanna Marine Magnesium Checker

Hanna Marine Magnesium Checker

Elektronski merilec Magnezija
Cena z DDV:
85,70 €

Hanna Marine Magnesium Checker 


The CHECKER® HC mini photometers offer an interesting alternative between simple chemical test kits and compact measuring devices. The handy photometers combine precision with an affordable price and are very easy to operate thanks to their large LCD and just one button. The automatic switch-off function ensures the longest possible battery life.

The HI783 model measures magnesium in salt water from 1000 to 1800 mg/L.

  • Light (64 g) housing, handy size
  • Very simple operation with just one button
  • Fast and precise measurement results
  • Large, easy-to-read LCD
  • Automatic switch-off


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 colorimetric EDTA method using
calmagite indicator. The reaction between magnesium and
the reagents causes 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




  • 2 measuring cuvettes with lid
  • Reagents for 25 tests
  • 100 µL pipette
  • Syringe with tip
  • Plastic pipette, battery and operating instructions.
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