{"product_id":"hanna-instruments-hi-767-marine-nitrite-low-range-checker","title":"Hanna Instruments HI-767 Marine Nitrite Low Range Checker","description":"\u003cp\u003eThe HI-767 Checker is a portable, pocket-sized digital tester for measuring low-range nitrite within marine aquariums. This practical Checker uses a small 10 ml water sample from your fish tank that is combined with a reagent for accurate and reliable measurement.\u003c\/p\u003e \u003cp\u003eThis electronic tester features single-button operation for fast and easy use to produce precise, digital results, with a range from 0 to 999 ppb.\u003c\/p\u003e\u003ch3\u003eHI-767 Marine Nitrite Checker\u003c\/h3\u003e \u003cp\u003eThe HI-767 Checker is a compact, accurate solution for measuring marine nitrite within saltwater aquariums. This digital tester has a single button for operation, providing a streamlined testing experience, and comes equipped with starter reagents to begin testing straight out of the box.\u003c\/p\u003e \u003cp\u003eThe HI-767 tester covers the low range of nitrite testing in marine and reef fish tanks, from 0 to 999 ppb (as NO–2-N). The Checker is powered by a single AAA battery for continual testing, with auto-shut-off to preserve the lifespan of the tester before battery replacement is required.\u003c\/p\u003e \u003ch2\u003eWhy measure nitrite?\u003c\/h2\u003e \u003cp\u003eNitrite is a standard part of the nitrogen cycle that occurs within all aquariums, where ammonia caused by waste and debris is broken down by bacteria through a biological filter. Any level of nitrite in your fish tank can be a risk to your fish, as this chemical can cause a condition known as ‘brown blood disease’. This disease is a result of nitrite binding with the haemoglobin in the bloodstream, reducing the amount of oxygen available to the fish and changing the colour of the blood.\u003c\/p\u003e \u003cp\u003eMeasuring nitrite in saltwater aquariums with a colorimeter tester is an ideal way to gain immediate insight into the condition of your water. A comprehensive range and reliable digital testing ensure nitrite can be measured accurately within your aquarium. As nitrite is not visible, careful monitoring is vital for preventing a build-up of this parameter.\u003c\/p\u003e \u003ch2\u003eHow does the HI-767 work?\u003c\/h2\u003e \u003cp\u003eThe HI-767 electronic aquarium tester for nitrite uses an adaptation of the EPA Diazotization method 354.1. The reaction between nitrite and the reagent causes a pink tint in the sample of water within the Checker, allowing the electronic tester to accurately determine the amount of nitrite within your aquarium.\u003c\/p\u003e \u003cp\u003eThe HI-767 includes a starter kit for reagents with 6 tests, so you can start testing the nitrite in your aquarium immediately out of the box.\u003c\/p\u003e \u003ch2\u003eFour steps to test\u003c\/h2\u003e \u003cp\u003e\u003cimg src=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_1.jpg\" alt=\"Step 1\" width=\"200\" height=\"200\"\u003e  1. ‘Zero’ the Checker with your vial \u0026amp; 10 ml water sample inside\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_2.jpg\" alt=\"Step 2\" width=\"200\" height=\"200\"\u003e  2. Take your vial out and add your reagent\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_3.jpg\" alt=\"Step 3\" width=\"200\" height=\"200\"\u003e  3. Place your vial into your Checker\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_4.jpg\" alt=\"Step 4\" width=\"200\" height=\"200\"\u003e  4. Press the button and read the results\u003c\/p\u003e \u003ch3\u003e\u003c\/h3\u003e \u003ch3\u003eCheckers vs test strips\u003c\/h3\u003e \u003cp\u003eTest strips are often considered the most cost-effective option for measuring aquarium parameters. However, these strips rely on your own perception of the results of testing, which can lead to inaccurate dosing of your water. Electronic testers, like Hanna Checkers, provide clear readings on a digital screen, providing the information you need to make precise measurements and correctly dose your water the first time.\u003c\/p\u003e \u003ch2\u003eFeatures:\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eCompact, handheld design\u003c\/li\u003e \u003cli\u003eAccurate from ±10 ppb ±4% of reading\u003c\/li\u003e \u003cli\u003eCovers a single parameter for high accuracy\u003c\/li\u003e \u003cli\u003eUses a single AAA battery (included with Checker)\u003c\/li\u003e \u003cli\u003ePower-off functionality after 10 minutes of inactivity\u003c\/li\u003e \u003cli\u003eTimer included for timed reaction readings\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eOrder Information:\u003c\/h3\u003e \u003cp\u003eThe HI-767 Checker is supplied with 2 sample cuvettes with caps, a nitrite low-range reagent starter kit for 6 tests (6 powder reagent packets), a AAA battery, instructions and a quick start guide.\u003c\/p\u003e \u003cp\u003eOrder more reagents with code HI-767-25 for the HI-767.\u003c\/p\u003e \u003ch3\u003e\u003c\/h3\u003e \u003ch3\u003eSafety Data Sheets\u003c\/h3\u003e \u003cp\u003eWhen using any form of chemical, such as Hanna reagents, it is important you download the relevant safety data sheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety data sheets and download a copy by following the link below.\u003c\/p\u003e \u003cp\u003e\u003cem\u003ePlease note that the '-' in HI- products should be removed from all searches to find the correct information.\u003c\/em\u003e\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/www.documentation.hannainst.com\/sds\" target=\"_blank\" rel=\"noreferrer noopener\"\u003eCLICK HERE\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0 to 999 ppb as NO2--N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 ppb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±4% of reading ±10 ppb @ 25ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Source\u003c\/td\u003e\n\u003ctd\u003eLED @ 470 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Detector\u003c\/td\u003e\n\u003ctd\u003eSilicon photocell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e(1) 1.5V AAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto-off\u003c\/td\u003e\n\u003ctd\u003eAfter 3 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e86 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e64 g (2.25 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eAdaptation of EPA Diazotization method 354.1. The reaction causes a pint tint in the sample\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrdering information\u003c\/td\u003e\n\u003ctd\u003eSupplied with sample cuvette and caps x 2; Marine Nitrite Reagents Starter Kit x 10 tests; 1.5V AAA Alkaline battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReagents \u0026amp; Standards\u003c\/td\u003e\n\u003ctd\u003eHI-767-25 Marine Nitrite Low Range Reagents – 25 tests; HI-767-11 Marine Nitrite Low Range Certified Standard Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640087552373,"sku":"HI-767","price":71.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-767-marine-nitrite-low-range-checker_823fd865-d781-46cb-bf33-81a305f77009.jpg?v=1791580926","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-767-marine-nitrite-low-range-checker","provider":"Test All Water","version":"1.0","type":"link"}