HI 749 Chromium VI Low Range Checker-Tester - HI749

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The Hanna Chromium VI Low-Range Checker (HI749) tests for the presence of Chromium VI (Hexavalent Chromium) in concentrations within the range of 0 to 300 ppb with an accuracy of 3 ppb in samples such as drinking water and wastewater. With a digital readout, Hanna Checkers provide greater measurement accuracy when compared with chemical test kits that rely on human perception of color.
Compact, Portable Design
Built-in Timer
One-Button Operation

Specifications:
Chromium, Hexavalent Range 0 to 300 ppb
Chromium, Hexavalent Resolution 1 ppb
Chromium, Hexavalent Accuracy 3 ppb 5% of reading
Chromium, Hexavalent Method adaptation of the ASTM, Manual of Water and Environmental Technology, D 1687-92, Diphenylcarbohydrazide method.
Photometer/Colorimeter Light Source LED @ 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 50C (32 to 122F); RH max 95% non-condensing
Weight 64 g (2.25 oz.)
Dimensions 81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5)
Ordering Information HI749 Checker is supplied with (2) sample cuvettes with caps, chromium VI LR reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.

The HI749 Checker HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure chromium VI. Due to its corrosion-resistant properties, hexavalent chromium plays an important part in the plating industry and cooling towers. However, due to its toxic and carcinogenic nature, chromium VI must be must be sufficiently treated prior to wastewater discharge.

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, Education, Industrial, Municipal Water