{"product_id":"hanna-instruments-hi-971044-pool-line-portable-photometer-for-alkalinity-free-and-total-chlorine-cyanuric-acid-and-ph-with-cal-check","title":"Hanna Instruments HI-971044 Pool Line portable photometer for Alkalinity, free and total Chlorine, cyanuric acid and pH with Cal Check","description":"\u003cp\u003eThe HI-971044 is a comprehensive waterproof, IP67 compatible, tester for pools, hot tubs and spas designed to cover various advanced measurements. You can test water for pH, alkalinity, free chlorine and total chlorine, and cyanuric acid in a single device, utilising exclusive CAL Check functionality and an advanced optical system for consistently accurate, fast results. This photometer meets the standards of HSG282 legislation for spa pools and hot tubs.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eThe HI-971044 is part of our series of \u003cspan\u003e\u003cspan\u003ePool Line testers\u003c\/span\u003e\u003c\/span\u003e, providing accurate monitoring and testing for hot tubs, pools and spas.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eHI-971044 Pool Line portable photometer for swimming pools, hot tubs and spas\u003c\/h3\u003e \u003cp\u003eThe HI-971044 provides accurate, fast readings for multiple parameters, utilising a superior optical system that includes a reference detector and narrow-band interference filters for consistent, fast and repeatable results. With no warm-up time before measurements and an in-built tutorial mode, this device is easy to use and practical for day-to-day functionality. You can use either powder or cost-saving liquid reagents, making this photometer as cost-effective as it is practical.\u003c\/p\u003e \u003cp\u003eThe HI-971044 has an innovative optical system that offers superior performance in accuracy, repeatability, and the short amount of time it takes to perform a measurement. The use of a backlit dot matrix LED allows the use of virtual keys, making meter operation very intuitive, including selecting different methods, reviewing GLP data, recalling the last 50 measurements, and customising the meter to user preferences.\u003c\/p\u003e \u003cp\u003eIn addition, the HI-971044 is waterproof, including the cuvette holder designed with ridges to protect the optical path from getting scratched by the cuvette and a protected battery compartment that holds three AA batteries. The compact design fits comfortably in hand for use in the field or on a table for benchtop use. The LCD is 71 mm (2.75\") by 37 mm (1.6\") and is backlit for easy viewing under all conditions.\u003c\/p\u003e \u003ch2\u003eHI-971044 features\u003c\/h2\u003e \u003ch3\u003eAdvanced optical system\u003c\/h3\u003e \u003cp\u003eThe HI-971044 features an LED that generates very little heat, plus a reference detector that modulates the voltage to LED for consistent light output. In addition, this device includes an 8 nm narrowband interference filter that is accurate to +\/- 1 nm and offers a 25% increase in light efficiency. A concave focusing lens that reduces errors from imperfections in the cuvette, ensuring the highest possible accuracy.\u003c\/p\u003e \u003ch3\u003eStable light source\u003c\/h3\u003e \u003cp\u003eThe internal reference system of the HI-97104 photometer compensates for any drifts due to power fluctuations or ambient temperature changes. With a stable light source, the readings are fast and stable between your blank (zero) measurement and sample measurement.\u003c\/p\u003e \u003ch3\u003eHigh-efficiency LED\u003c\/h3\u003e \u003cp\u003eLED light sources offer superior performance compared to tungsten lamps. LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability.\u003c\/p\u003e \u003ch3\u003eHigh-quality filters\u003c\/h3\u003e \u003cp\u003eImproved optical filters ensure greater wavelength accuracy and allow a brighter, stronger signal to be received. The result is higher measurement stability and less wavelength error.\u003c\/p\u003e \u003ch3\u003eGreater light yield\u003c\/h3\u003e \u003cp\u003eA focusing lens collects all of the light that exits the cuvette, eliminating errors from imperfections and scratches that may be present in the glass. The use of the convex lens reduces the need for indexing cuvettes.\u003c\/p\u003e \u003ch3\u003eCAL Check functionality\u003c\/h3\u003e \u003cp\u003eHanna’s exclusive CAL Check feature allows for performance verification and calibration of the meter using NIST traceable standards. Our CAL Check standard vials are developed to simulate a specific absorbance value at each wavelength to verify the accuracy of subsequent readings.\u003c\/p\u003e \u003ch3\u003eMultiple measurement methods\u003c\/h3\u003e \u003cp\u003eUsers can select powder reagents supplied in packets or low-cost liquid reagents provided in a dropper bottle.\u003c\/p\u003e \u003ch3\u003eBuilt-in reaction timer\u003c\/h3\u003e \u003cp\u003eWaiting for the proper reaction time is crucial when performing colorimetric measurements. The countdown timer displays the time remaining until a measurement is taken, ensuring consistent results between sample measurements and users.\u003c\/p\u003e \u003ch3\u003eLarge cuvette size\u003c\/h3\u003e \u003cp\u003eThe sample cell of the HI-971044 fits a round glass cuvette with a 25 mm path length. The relatively long path length of the sample cuvette allows the light to pass through more of the sample solution, ensuring accurate measurements even in low-absorbance samples.\u003c\/p\u003e \u003ch3\u003eIntuitive dot matrix display\u003c\/h3\u003e \u003cp\u003eThe HI-971044 includes a backlit, graphic LCD with virtual keys, a battery status indicator, and error messages. The meter interface is specifically designed to be intuitive and easy to read. A dedicated help key provides information about the current meter operation and can be used at any stage in the setup or measurement process to show contextual help.\u003c\/p\u003e \u003ch3\u003eAuto-off protection\u003c\/h3\u003e \u003cp\u003eThis innovative photometer uses three standard AA batteries that allow for about 800 measurements. The auto-off feature automatically shuts off the meter after 15 minutes of inactivity to conserve battery life.\u003c\/p\u003e \u003ch3\u003eHSG282 compliant technology\u003c\/h3\u003e \u003cp\u003eThe HI-971044 photometer fully complies with HSG282 guidelines for measuring and tracking pH and other chemical reporting. If you own a hot tub or heated spa pool, our technology provides the accuracy and consistency necessary to comply. To learn more about HSG282, \u003cspan\u003e\u003cspan\u003eread our complete online guide today\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e \u003ch2\u003eHI-971044 FAQs\u003c\/h2\u003e \u003ch3\u003eWhat do you get with the HI-971044?\u003c\/h3\u003e \u003cp\u003eEach HI-971044 is delivered securely in a cardboard box and is supplied with the following:\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 (3 pcs.)\u003c\/li\u003e \u003cli\u003eInstrument quality certificate\u003c\/li\u003e \u003cli\u003eInstruction manual\u003c\/li\u003e \u003cli\u003eIP67 compatible\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWhy is measuring chlorine important in pools and hot tubs?\u003c\/h3\u003e \u003cp\u003eChlorine is a common chemical many businesses use due to its disinfection properties. Free chlorine can exist in two forms, and which form is present is based on the pH. At pH less than 7.6, the predominate form is hypochlorous acid (HOCl), while at pH greater than 7.6, the hypochlorite (OCl-) form becomes predominate. This specification is critical when preventing biological growth in water or keeping a swimming pool safe since hypochlorous acid is 100 times more effective a sanitiser.\u003c\/p\u003e \u003cp\u003eTotal chlorine represents both the free chlorine and combined chlorine present. Combined chlorine is the chlorine bound to nitrogen substances such as ammonia. In swimming pools, combined chlorine is what we can smell, often irritating the eyes. The free chlorine measurement is subtracted from the total chlorine measurement to know how much combined chlorine is present. HI-97104 is designed to measure pH and low levels of free and total chlorine in water up to 5.00 mg\/L (ppm).\u003c\/p\u003e \u003ch3\u003eWhy is measuring cyanuric acid important in hot tubs and pool water?\u003c\/h3\u003e \u003cp\u003eCyanuric acid (CYA) is best known as a stabilising reagent for chlorine. It is widely applied in swimming pool and spa treatment programmes to slow down the decomposition of hypochlorous acid. In outside pool areas, this process is accelerated by the effects of UV rays. When applied correctly, it can save up to 80% of normal chlorine consumption in pools during peak months. Cyanuric acid is also used in chlorinated beaches, selective herbicides and whitening agents.\u003c\/p\u003e \u003ch3\u003eWhy would you measure alkalinity in a pool, hot tub or spa?\u003c\/h3\u003e \u003cp\u003eAlkalinity is one of the most important parameters to measure in water. Alkalinity is different to pH. While pH indicates if a solution is an acid or an alkaline. Alkalinity tells you how much acid a solution can absorb without changing the pH. In simple terms, it is the buffering capacity of a solution. In the case of swimming pools and hot tubs, that solution is water.\u003c\/p\u003e \u003ch3\u003eIs the HI-971044 HSG282 compliant?\u003c\/h3\u003e \u003cp\u003eHSG282 guidelines specify that hot tub and heated spa pool operators should measure pH twice daily and keep records for up to five years to reduce the risk of sickness and infection. The HI-971044 provides complete coverage for pH testing and testing for alkalinity, chlorine and cyanuric acid to ensure a high sanitation standard.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e6.5 to 8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @25°C\u003c\/td\u003e\n\u003ctd\u003e±0.1 pH of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eadaptation of the Phenol Red method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eAlkalinity\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0 to 500 mg\/L (as CaCO3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @ 25°C\u003c\/td\u003e\n\u003ctd\u003e±5 mg\/L ±5% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eColorimetric method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eFree and Total Chlorine\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange (all methods)\u003c\/td\u003e\n\u003ctd\u003e0.00 to 5.00 mg\/L (as Cl2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @ 25°C\u003c\/td\u003e\n\u003ctd\u003e±0.03 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 EPA DPD method 330.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eCyanuric Acid\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0 to 80 mg\/L (as CYA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @ 25°C\u003c\/td\u003e\n\u003ctd\u003e±1 mg\/L ±15% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eadaptation of the turbidimetric method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eMeasurement System\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight source\u003c\/td\u003e\n\u003ctd\u003elight emitting diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass filters\u003c\/td\u003e\n\u003ctd\u003e525 nm and 610 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass filters bandwidth\u003c\/td\u003e\n\u003ctd\u003e8nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass filter wavelength accuracy\u003c\/td\u003e\n\u003ctd\u003e±1.0nm\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\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eAdditional specifications\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto logging\u003c\/td\u003e\n\u003ctd\u003e50 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e128 x 64 pixel LCD with backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto-off\u003c\/td\u003e\n\u003ctd\u003eafter 15 minutes of inactivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type and life\u003c\/td\u003e\n\u003ctd\u003ealkaline 1.5 AA x 3 \/ \u0026gt;800 measurements without backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C; 0 to 100% RH,\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\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e380g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP rating\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrdering Information\u003c\/td\u003e\n\u003ctd\u003eHI-971044 is supplied with cuvettes (2), caps (2), plastic stoppers for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate.Available as a kit: HI-971044C photometer, CAL check standards, cuvettes (2), caps (2), plastic stoppers for cuvettes (2), 1.5V AA batteries (3), cuvette wiping cloth, scissors, CAL check standard certificate, instruction manual, and instrument quality certificate all in HI-7101414 carrying case.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.hannainstruments.co.uk\/modules\/teapotknowledgehub\/uploads\/man971044_11_25-6a4b7ac02ae8f.pdf\" target=\"_blank\"\u003eManual Update - HI-971044 Pool Line portable photometer for Alkalinity, free and total Chlorine, cyanuric acid and pH with Cal Check (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640011891061,"sku":"HI-971044","price":347.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-971044-pool-line-free-and-total-chlorine-cyanuric-acid-and-portable-photometer-with-cal-check_3ca234fb-414f-43b8-beb2-7713fc51cfe8.jpg?v=1791578782","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-971044-pool-line-portable-photometer-for-alkalinity-free-and-total-chlorine-cyanuric-acid-and-ph-with-cal-check","provider":"Test All Water","version":"1.0","type":"link"}