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Marine Nitrite Ultra Low Range Checker® HCHanna Instruments HI764

Máy kiểm tra Nitrite dải thấp Hana Instruments Checker® HC - HI764

Product Information

Manufacturer: Hanna Instrument
Model: HI764
Warranty: 12 months

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Category: Chlorine - Turbidity - Flouride

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Contact Ho Chi Minh City

Tel: (028).3977.8269 / 0906.988.447

Email: sales@lidinco.com

Contact Bac Ninh, Ha Noi City

Tel: (0222).730.0180

Email: bn@lidinco.com

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Description
Documents

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.
Compact, portable design
Built-in timer
One-Button operation
The HI764 Checker® Handheld Colorimeter bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate, while professional instrumentation can cost hundreds of dollars and can be time-consuming to calibrate and maintain. Hanna Checker®’s are accurate, affordable and easy to use.
Nitrification is the biological oxidation of ammonia (ammonium ion) into nitrite followed by the oxidation of the nitrites to nitrates. The first step of this 2-step process is carried out in an aquarium by nitrifying bacteria. During this quick process, the ammonium levels drop while the nitrite levels increase. Since nitrite is just as harmful as ammonia, nitrite levels should be maintained at immeasurable levels. A mature biological filter should be able to keep nitrite levels low.
Also, if tap water is to be used in an aquarium, it is recommended that it be tested for phosphate, as well as silicate, ammonia, nitrate, nitrite, pH, and alkalinity.
The HI764 Checker® Handheld Colorimeter bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate, while professional instrumentation can cost hundreds of dollars and can be time-consuming to calibrate and maintain. Hanna Checker®’s are accurate, affordable and easy to use.
To begin measurements, first, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Checker®, press the button and read the results. It’s that easy.
The contoured style of these Checker®’s fit in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.
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

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Thông số kỹ thuật

Nitrite Range	0 to 200 ppb
Nitrite Resolution	1 ppb
Nitrite Accuracy	±10 ppb ±4% of reading
Nitrite Method	adaptation of the EPA Diazotization method 354.1.
Photometer/Colorimeter Light Source	LED @ 525 nm
Photometer/Colorimeter Light Detector	silicon photocell
Battery Type/Life	(1) 1.5V AAA
Automatic Shut-Off	after two 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	HI764 Checker® is supplied with (2) sample cuvettes with caps, nitrite ULR reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.