{"product_id":"erma-handheld-salinity-refractometer-with-atc-0-100-ppt-salinity-1-000-1-070-specific-gravity-dual-scale-seawater-tester-for-aquarium-and-marine-applications","title":"Erma Handheld Salinity Refractometer with ATC, 0–100 PPT Salinity \u0026 1.000–1.070 Specific Gravity, Dual Scale Seawater Tester for Aquarium and Marine Applications","description":"\u003ch2\u003eShort Description\u003c\/h2\u003e\n\u003cp\u003eThe Erma Hand Salinity Refractometer is a portable optical instrument designed to measure the salinity and specific gravity of saltwater. Featuring a dual-scale viewing system, automatic temperature compensation (ATC) and a clear optical eyepiece, it is suitable for testing seawater, aquarium water, marine fish tanks and aquaculture water. Its compact handheld design allows convenient on-site measurements without batteries.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eDual measurement scales:\u003c\/span\u003e Salinity from 0–100 PPT and specific gravity from 1.000–1.070.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAutomatic Temperature Compensation (ATC):\u003c\/span\u003e Helps compensate for temperature-related measurement variations within the instrument's specified operating range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eOptical measurement:\u003c\/span\u003e Clear internal scale viewed through an eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePortable design:\u003c\/span\u003e Lightweight, handheld construction for field and laboratory use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eEasy sample application:\u003c\/span\u003e Apply a few drops of the sample to the prism surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eNo batteries required:\u003c\/span\u003e Uses optical measurement rather than an electronic display.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eMultiple applications:\u003c\/span\u003e Suitable for aquariums, marine fish tanks, seawater testing and aquaculture monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003eSpecification\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eDetails\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBrand\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eErma\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eProduct Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHandheld Optical Salinity Refractometer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMeasurement Parameters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSalinity and Specific Gravity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSalinity Range\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0–100 PPT (parts per thousand)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSpecific Gravity Range\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.000–1.070\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMeasurement Scales\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eDual scale\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTemperature Compensation\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAutomatic Temperature Compensation (ATC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMeasurement Principle\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eOptical refraction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDisplay\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eOptical scale viewed through eyepiece\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePower Supply\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNot required\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePortability\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHandheld\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePrimary Applications\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAquarium, marine, seawater and aquaculture testing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSample Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSaltwater and saline water\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBrand \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eErma \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eNote: Resolution, accuracy, ATC compensation range and included accessories should be confirmed against the manufacturer's datasheet before publishing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/images.openai.com\/static-rsc-4\/OJAKlZXm7_NUHzE0B9eJFDbGA4Lmb7ZwDrgx-Ax1RlAbRh9db-U_C6T5jr6DFqoCeK-4rWPPY_Ojev8WkrtiUejhOjBJBIoNju9gcnbIl017vKGlIJa16QjwsZVk130j6sDGR07MU_8iYYvcfN01d79job4FmCv3yiMCIJ8Wceo?purpose=inline\" alt=\"Aquarium Illumination Revolution: How Smart LED Systems Are Redefinin\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAquarium Water Testing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCheck salinity and specific gravity in marine and saltwater aquariums to support routine water-quality monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/images.openai.com\/static-rsc-4\/JhWpdf_k6BR6xsDumpU8ahMXLWzAs0xiVJNd4Gi_bJ9jJsnS5FANx7dysfRxJrQNtAb1E5poBJELXEuQj4R7zdqZor_Y--xeZ6pbIrBtA8wAxdDzzElFgSwyCMMcuDiQ9_xnEtD-0EUbiDC8bX7QfUZxVsB_3x6U98WTP5vArnW8ueQBM5ggLMLWaYVkRW0b?purpose=inline\" alt=\"Aquaculture farm\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eMarine Fish Farming and Aquaculture\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMonitor saline water used in fish-farming operations and aquaculture facilities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/images.openai.com\/static-rsc-4\/vxvcSBgCJjux22JZI_GpbZbkjW7moWtF07SdxsOA98p0RTfws3y5RwM8BqWdGAM03JgzBDkhKeRqg67td21LbknyMtm0LYm9Ywuv1kHXRa_oeRgzr7yJF6dZnCaMueTIMZtPiaa72-um_DwX3df7MHx6OGDTAtjn8sbxuizarpDFLwAxyN1EZBJGMoiFZGw4?purpose=inline\" alt=\"Southern California Ocean Temperatures Reach Record Highs\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSeawater and Marine Research\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the salinity of seawater samples for field testing and marine laboratory applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/images.openai.com\/static-rsc-4\/kbckPuyq0KIjjp-nc6EGDl3Nhfj7__lHzACuP38DlvJ2UJVPmm-CpoyJXJGbDpQr_NTtp8p4GAf7AiLl_BXMZA9UL9kC7DBf2HQjYJc6ZvB7QupKKhOGyYBtWsavSyfBTDZ-SGR-TZc-Od27nyYUsM9UN5JpdDwleXGUY2OYnS0?purpose=inline\" alt=\"Aquarium — Scottish Association for Marine Science, Oban UK\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eWater Quality Laboratories\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerform routine optical salinity checks in laboratories and water-testing facilities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eOpen the transparent prism cover.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eClean the prism surface using a soft, lint-free cloth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eApply a few drops of the water sample to the prism.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eClose the cover gently, ensuring the sample spreads across the prism without air bubbles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003ePoint the instrument toward a suitable light source and look through the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eAdjust the focus if required and read the boundary between the light and dark regions on the appropriate scale.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eClean and dry the prism after measurement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eErma Handheld Salinity Refractometer – 1 unit\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eSample dropper \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning cloth\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ERMA","offers":[{"title":"Default Title","offer_id":67673925189805,"sku":"ERMA-100","price":1399.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/7666\/9357\/files\/rn-image_picker_lib_temp_1ad85a36-c7c8-4c9c-bddf-1c73b05676cf.jpg?v=1792982687","url":"https:\/\/rinstruments.com\/products\/erma-handheld-salinity-refractometer-with-atc-0-100-ppt-salinity-1-000-1-070-specific-gravity-dual-scale-seawater-tester-for-aquarium-and-marine-applications","provider":"Rinstruments","version":"1.0","type":"link"}