Hanna Instruments Checker Magnesium Hardness Colorimeter

The Hanna Checker'bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time-consuming to calibrate and maintain. The Checker'is both accurate and affordable.

*Note: This checker is not suitable for use with saltwater (marine) aquariums.checker compact and portable meter

  • Compact, portable designchecker built-in timer
  • Built-in timerchecker one-button operation
  • One-Button operation

Details

The HI719 Checker HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure magnesium hardness. Designed as a more accurate alternative to chemical test kits, the HI719 provides quick, accurate results in four easy steps:

Features at-a-glance:

  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for: Water quality, Environmental, Plating, Education

Specifications

Range 0.00 - 2.00 ppm
Resolution 0.01 ppm
Accuracy @ 25°C/77°F ±5% of reading ± 0.20 ppm
Light Source LED @ 525 nm
Light Detector silicon photocell
Method adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA colorimetric method. The reaction between magnesium and reagents causes a reddish-violet tint in the sample.
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type (1) 1.5V AAA
Auto-off after ten minutes of non-use
Dimensions 86.0 mm x 61.0 mm x 37.5 mm (3.4" x 2.4" x 1.5")
Weight 64 g (2.25 oz.)
Ordering Information HI719 Checker HC is supplied with 2 cuvettes and caps, reagent starter kit (50 packets of reagent), 1 X 1.5X AAA battery, and an instruction manual.




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