Hanna Instruments | See more Water Quality Meters

Magnesium Hardness Checker

14 AVAILABLE
Availability Info (?)

Order now and the extra items will likely dispatch before the 17th Feb 2026. Call 1300 737 871 (NZ 0800 737 871) to confirm.

Product code: IC-HI719

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.

Read more

$126.36 AUD + GST
 $139.00 AUD Inc. GST
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:
- "Zero" the Checker HC as required
- Add the reagent to your water sample
- Place the vial into the Checker
- Press the button and read the results
Features:
- 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

- Hardness, Magnesium Range: 0.00 to 2.00 ppm
- Hardness, Magnesium Resolution: 0.01 ppm
- Hardness, Magnesium Accuracy: +/- 5% of reading 0.20 ppm
- Hardness, Magnesium 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.
- Photometer/Colorimeter Light Source: LED at 525 nm
- Photometer/Colorimeter Light Detector: silicon photocell
- Battery Type/Life: (1) 1.5V AAA
- Automatic Shut-Off: after ten minutes of non-use
- Environment: 0 to 50 C (32 to 122 F); RH max 95% non-condensing
- Weight: 64 g (2.25 oz.)
- Dimensions: 86.0 mm x 61.0 mm x 37.5 mm (3.4" x 2.4" x 1.5")

Our Reviews



Recently Viewed

Instrument Choice will respond in 3 business hours

Get in touch with our expert scientists Instrument Choice.

In less than 3 business hours you will have an answer from our expert scientists.

Our Australian experts have access to a huge range of products from national and international suppliers.

If for any reason you have trouble using this form please email the following address and your enquiry will still receive a response from a scientist within 3 business hours: scientists@instrumentchoice.com.au

Instrument Choice will respond in 3 business hours

Get in touch with our expert scientists Instrument Choice.

In less than 3 business hours you will have an answer from our expert scientists.

Our Australian experts have access to a huge range of products from national and international suppliers.

If for any reason you have trouble using this form please email the following address and your enquiry will still receive a response from a scientist within 3 business hours: scientists@instrumentchoice.com.au