Máy đo Amoni Hanna HI715 thang trung (0.00 to 9.99 ppm NH₃-N)

Ammonia Medium Range Checker® HC - HI715

The Hanna Ammonia Medium Range Checker^® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Ammonia Medium Range Checker^® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

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

Ammonia Range	0.00 to 9.99 ppm NH₃-N
Ammonia Resolution	0.01 ppm
Ammonia Accuracy	±0.05 ppm ±5% of reading
Ammonia Method	adaptation of the ASTM Manual of Water and Environmental Technology D1426-92, Nessler Method. The reaction between ammonia and reagents causes a yellow tint in the sample.

Photometer/Colorimeter Light Source	LED @ 470 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	81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5”)
Ordering Information	HI715 Checker® is supplied with (2) sample cuvettes with caps, ammonia reagent starter kit for 25 tests (1 bottle of HI715A-0 and 1 bottle of HI715B-0), ­­­battery, instructions and quick start guide.

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