Hanna Pocket Checker for Testing Magnesium – Marine

Description

VERSION 2

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

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

Each HI783 is delivered in a case with 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