{"product_id":"hanna-instruments-hi-97752-calcium-and-magnesium-photometer-range-ca-0-to-400-mg-l-mg-0-to-150-mg-l","title":"Hanna Instruments HI-97752 Calcium and magnesium photometer: Range: Ca: 0 to 400 mg\/L, Mg: 0 to 150 mg\/L","description":"\u003cp\u003eThe HI-97752 is  an  auto-diagnostic  portable  photometer  that  benefits  from  Hanna’s years of experience as a manufacturer of analytical instruments. It has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference filter that allows for accurate and repeatable readings.\u003c\/p\u003e\u003cp\u003eEach photometer is delivered in a cardboard box and is supplied with:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSample cuvette (2 pcs.)\u003c\/li\u003e \u003cli\u003eSample cuvette cap (2 pcs.)\u003c\/li\u003e \u003cli\u003ePlastic stopper (2 pcs.)\u003c\/li\u003e \u003cli\u003e1.5V AA Alkaline batteries\u003c\/li\u003e \u003cli\u003eInstrument quality certificate\u003c\/li\u003e \u003cli\u003eInstruction manual\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThe optical system is sealed from outside dust, dirt and water. The meter uses an exclusive positive-locking system to ensure that the cuvettes are placed into the holder in the same position every time.\u003c\/p\u003e \u003cp\u003eWith the CAL Check™ functionality, users are able to validate the performance of the instrument at any time and apply a user calibration (if necessary). Hanna Instruments CAL Check cuvettes are made with NIST traceable standards.\u003c\/p\u003e \u003cp\u003eThe built-in tutorial mode guides users step-by-step through the measurement process. It includes all steps required for sample preparation, the required reagents and quantities.\u003c\/p\u003e \u003cp\u003eThe HI-97752 meter measures two important parameters in:\u003c\/p\u003e \u003cul\u003e \u003cli\u003edrinking water\u003c\/li\u003e \u003cli\u003esurface water\u003c\/li\u003e \u003cli\u003eground water\u003c\/li\u003e \u003cli\u003ewastewater\u003c\/li\u003e \u003cli\u003eswimming pools\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCalcium is a vital plant nutrient and helps to strengthen plant cell walls protecting against heat stress. The method for calcium is an adaptation of the Oxalate Method.\u003c\/p\u003e \u003cp\u003eMagnesium is an essential nutrient and helps build a strong immune system. The method for magnesium is an adaptation of the Calmagite Method.\u003c\/p\u003e \u003cp\u003eThe HI-97752 photometer is a compact and versatile meter suitable for field or bench measurements, featuring a:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSophisticated optical system\u003c\/li\u003e \u003cli\u003eMeter validation using certified CAL Check cuvettes\u003c\/li\u003e \u003cli\u003eTutorial mode guides the user step-by-step\u003c\/li\u003e \u003cli\u003eAuto logging\u003c\/li\u003e \u003cli\u003eWaterproof IP67, floating case\u003c\/li\u003e \u003cli\u003eGLP features\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eAbout Calcium and Magnesium\u003c\/h3\u003e \u003cp\u003eCalcium and magnesium both play important roles in the growth of plants. Calcium helps plant roots develop and increases the resistance and strength of plant tissues and stems. Magnesium is an indispensable mineral that helps in the production of chlorophyll, the light-absorbing green pigment that serves as an energy source for plants. It also increases vitamin concentrations and aids in uptake of phosphorus within the plant body.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalcium Range\u003c\/td\u003e\n\u003ctd\u003e0 to 400 mg\/L (as Ca2+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalcium Resolution\u003c\/td\u003e\n\u003ctd\u003e1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalcium Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.10 mg\/L ±5% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eAdaptation of the Oxalate Method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnesium Range\u003c\/td\u003e\n\u003ctd\u003e0 to 150 mg\/L (as Mg2+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnesium Resolution\u003c\/td\u003e\n\u003ctd\u003e1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnesium Accuracy\u003c\/td\u003e\n\u003ctd\u003e±5 mg\/L ±3% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eAdaptation of the Calmagite method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhotometer\/Colorimeter Light Source\u003c\/td\u003e\n\u003ctd\u003eLight emitting diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhotometer\/Colorimeter Light Detector\u003c\/td\u003e\n\u003ctd\u003eSilicon photocell with narrow band interference filter @ 420 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass Filter Bandwidth\u003c\/td\u003e\n\u003ctd\u003e8 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass Filter Wavelength Accuracy\u003c\/td\u003e\n\u003ctd\u003e±1.0 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCuvette Type\u003c\/td\u003e\n\u003ctd\u003eround, 24.6 mm diameter (22 mm inside)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLP\u003c\/td\u003e\n\u003ctd\u003eDate, time of last calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e128 x 64 pixel B\/W LCD with backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogging Type\u003c\/td\u003e\n\u003ctd\u003eautomatic logging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogging Memory\u003c\/td\u003e\n\u003ctd\u003e50 measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\/Life\u003c\/td\u003e\n\u003ctd\u003e1.5V AA battery (3 pcs.) \/ \u0026gt; 800 measurements (without backlight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Shut-Off\u003c\/td\u003e\n\u003ctd\u003eAfter 15 minutes of inactivity (30 minutes before a READ measurement)\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); relative humidity: 100% (IP 67, floating case)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e380g with batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e142.5 x 102.5 x 50.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640106819957,"sku":"HI-97752","price":502.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-97752-calcium-and-magnesium-photometer-range-ca-0-to-400-mgl-mg-0-to-150-mgl.jpg?v=1791581484","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-97752-calcium-and-magnesium-photometer-range-ca-0-to-400-mg-l-mg-0-to-150-mg-l","provider":"Test All Water","version":"1.0","type":"link"}