HI783 Hanna Marine Magnesium handheld pocket checker is designed to determine the concentration of magnesium in saltwater aquariums. It 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.
Specifications
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
Method: 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.
Environment: 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
• 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