{"product_id":"hanna-instruments-hi-781-marine-nitrate-low-range-handheld-colorimeter-checker-hc-clearance","title":"Hanna Instruments HI-781 Marine Nitrate Low Range Handheld Colorimeter, Checker HC Clearance","description":"\u003cp\u003eFully functioning instrument, reagents expired 03\/26\u003c\/p\u003e\n\u003cp\u003eThe HI-781 Nitrate Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of nitrate colorimetrically.\u003c\/p\u003e\n\u003cp\u003eThe HI-781 is designed specifically to measure low levels of nitrate in a saltwater aquarium. The 0.00 to 5.00 range is ideal for reef aquarium maintenance\u003c\/p\u003e\n\u003cp\u003eNitrate is a by-product of the Nitrogen cycle. Excessive amounts of Nitrates in a reef aquarium can promote the growth of undesirable organisms including algae and dinoflagellates, while insufficient amounts can lead to starvation in which SPS, and other corals, will show signs including the loss of colour and paleness.\u003c\/p\u003e\n\u003cp\u003eIdeal for aquariums and marine biology\u003c\/p\u003e\n\u003cp\u003eEasier to use and more accurate than chemical test kits\u003c\/p\u003e\n\u003cp\u003eSmall size, big convenience\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Checker®HC handheld colorimeter is supplied with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSample cuvette and cap (2)\u003c\/p\u003e\n\u003cp\u003eMarine Nitrate Low Range reagent starter kit (reagents for 25 tests)\u003c\/p\u003e\n\u003cp\u003eFilter paper (25)\u003c\/p\u003e\n\u003cp\u003eFilter holder (1)\u003c\/p\u003e\n\u003cp\u003eMixing vial and cap (1)\u003c\/p\u003e\n\u003cp\u003e5 mL syringe with tip (1)\u003c\/p\u003e\n\u003cp\u003e10 mL syringe with tip (1)\u003c\/p\u003e\n\u003cp\u003e1.5V AAA Alkaline battery (1)\u003c\/p\u003e\n\u003cp\u003eInstruction manual\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRange:0.00 to 5.00 ppm (mg\/L) NO-\u003c\/p\u003e\n\u003cp\u003eResolution: 0.01 ppm\u003c\/p\u003e\n\u003cp\u003eAccuracy @ 25°C\/77°F: ±0.25 ppm ±2% of reading\u003c\/p\u003e\n\u003cp\u003eLight Source: LED @ 525 nm\u003c\/p\u003e\n\u003cp\u003eLight Detector: silicon photocell\u003c\/p\u003e\n\u003cp\u003eMethod: zinc reduction method\u003c\/p\u003e\n\u003cp\u003eAuto-off: after ten minutes of non-use\u003c\/p\u003e\n\u003cp\u003eEnvironment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing\u003c\/p\u003e\n\u003cp\u003eBattery Type: (1) 1.5V AAA\u003c\/p\u003e\n\u003cp\u003eOrdering Information: HI781 Checker HC is supplied with sample cuvettes with caps (2), nitrate reagent starter kit (reagents for 25 tests), filter holder, 10 mL syringe, 5 mL syringe with tip, mixing vial with cap, battery, and instructions.\u003c\/p\u003e\n\u003cp\u003eAccessories: HI781-25 Reagent set for 25 tests, HI781-11 Calibration set\u003c\/p\u003e\n\u003cp\u003eSku: HI-781\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57067399905653,"sku":"HI-781 clearance","price":64.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/2_f7ed3091-637e-4b9e-8612-a0e427748317.jpg?v=1733409723","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-781-marine-nitrate-low-range-handheld-colorimeter-checker-hc-clearance","provider":"Test All Water","version":"1.0","type":"link"}