{"product_id":"hanna-magnesium-colorimeter","title":"Hanna Magnesium Colorimeter","description":"\u003cp\u003eVERSION 2\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eHI783 Marine Magnesium handheld checker is designed to determine the concentration of magnesium in saltwater aquariums.\u003c\/p\u003e\u003cp\u003eHI783 features a single-button operation system and is easy to use.\u003c\/p\u003e\u003cp\u003eThe large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eRange 1000 to 1800 ppm Magnesium\u003c\/p\u003e\u003cp\u003eResolution 5 ppm\u003c\/p\u003e\u003cp\u003eAccuracy ±5% of reading @ 25 °C (77 °F)\u003c\/p\u003e\u003cp\u003eLight source Light Emitting Diode @ 610 nm\u003c\/p\u003e\u003cp\u003eLight detector Silicon photocell\u003c\/p\u003e\u003cp\u003eMethod\u003c\/p\u003e\u003cp\u003eAdaptation of the colorimetric EDTA method using\u003c\/p\u003e\u003cp\u003ecalmagite indicator. The reaction between magnesium and\u003c\/p\u003e\u003cp\u003ethe reagents causes a blue to violet tint in the sample.\u003c\/p\u003e\u003cp\u003eEnvironment\u003c\/p\u003e\u003cp\u003e0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing\u003c\/p\u003e\u003cp\u003ePrepared sample cuvette (sample plus reagents) must be\u003c\/p\u003e\u003cp\u003e18 to 28 °C (64 to 82 °F).*\u003c\/p\u003e\u003cp\u003eBattery type 1.5V AAA Alkaline\u003c\/p\u003e\u003cp\u003eAuto shut-off After 10 minutes of non-use\u003c\/p\u003e\u003cp\u003eDimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)\u003c\/p\u003e\u003cp\u003eWeight 64 g (2.3 oz)\u003c\/p\u003e\u003cp\u003eInterferences – Calcium below 300 ppm and above 500ppm\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eEach HI783 is delivered in a case with custom insert and is supplied with:\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e• Sample cuvette and cap (2 pcs.)\u003c\/p\u003e\u003cp\u003e• Marine Magnesium reagent starter kit (reagents for 25 tests) • 1 mL graduated syringe and tip (1 pc.)\u003c\/p\u003e\u003cp\u003e• 5 mL syringe and tip with black printing (1 pc.)\u003c\/p\u003e\u003cp\u003e• 5 mL syringe and tip with blue printing (1 pc.)\u003c\/p\u003e\u003cp\u003e• 1.5V AAA Alkaline battery (1 pc.)\u003c\/p\u003e\u003cp\u003e• Instruction manual\u003c\/p\u003e\u003cp\u003e• Quick-reference guide\u003c\/p\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478969020752,"sku":"P676273","price":79.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_ff233646-da1d-40e4-b11e-5e89244ff38b.png?v=1770886430","url":"https:\/\/www.thehappyreef.com\/products\/hanna-magnesium-colorimeter","provider":"The Happy Reef","version":"1.0","type":"link"}