{"product_id":"solinst-model-425-discrete-interval-samplers","title":"Solinst Model 425 Discrete Interval Samplers","description":"\u003ch2\u003eSolinst Model 425 Discrete Interval Samplers for Groundwater Sampling\u003c\/h2\u003e\n\u003cp\u003eThe Solinst Model 425 Discrete Interval Sampler is designed to collect groundwater samples from specific depths within a monitoring well, allowing environmental professionals to isolate sampling intervals with confidence. Ideal for hydrogeological investigations, contamination assessments, and groundwater quality monitoring, the Model 425 helps obtain representative samples from targeted zones without mixing water from other intervals.\u003c\/p\u003e\n\u003cp\u003eTrusted by environmental consultants, hydrogeologists, researchers, regulatory agencies, and remediation contractors, the Solinst Model 425 provides an efficient solution for discrete groundwater sampling where accurate depth-specific data is essential for site characterization and environmental decision-making.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTarget Specific Sampling Zones with Confidence\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike conventional sampling methods that collect water from larger sections of a monitoring well, the Solinst Model 425 is engineered to retrieve groundwater from predetermined intervals. This targeted approach improves the quality of environmental data by helping identify contaminant distribution, groundwater stratification, and changing water chemistry at various depths within the aquifer.\u003c\/p\u003e\n\u003cp\u003eThe simple, reliable design minimizes equipment complexity while providing dependable performance during environmental investigations and long-term groundwater monitoring projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Environmental Investigations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether conducting site assessments, landfill monitoring, remediation verification, industrial compliance testing, or academic research, the Model 425 allows field professionals to collect interval-specific groundwater samples that support informed environmental evaluations and regulatory reporting.\u003c\/p\u003e\n\u003cp data-end=\"1288\" data-start=\"885\"\u003eAvailable in multiple diameters and lengths, the Model 425 is commonly used for groundwater sampling from monitoring wells, boreholes, lakes, rivers, and other surface water bodies. It is particularly effective for collecting discrete interval samples, profiling wells, and sampling above or below floating product layers (LNAPL\/DNAPL) without the need for purging. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1641\" data-start=\"1290\"\u003eEach sampler is constructed from durable stainless steel and is designed for use with a Solinst tubing reel and high-pressure hand pump (sold separately). The simple hydraulic operating principle provides reliable, repeatable sampling while reducing field time and eliminating the disposal of purge water. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"1646\" data-start=\"1643\"\u003e\n\u003ch3 data-end=\"1659\" data-start=\"1648\" data-section-id=\"1d7mrtu\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-end=\"2104\" data-start=\"1661\"\u003e\n\u003cli data-end=\"1690\" data-start=\"1661\" data-section-id=\"pbvp8v\"\u003eGenuine Solinst OEM product\u003c\/li\u003e\n\u003cli data-end=\"1732\" data-start=\"1691\" data-section-id=\"iinsx4\"\u003eNo-purge (passive) groundwater sampling\u003c\/li\u003e\n\u003cli data-end=\"1782\" data-start=\"1733\" data-section-id=\"11zn9ww\"\u003eHigh-quality representative groundwater samples\u003c\/li\u003e\n\u003cli data-end=\"1813\" data-start=\"1783\" data-section-id=\"hhbjcm\"\u003eStainless steel construction\u003c\/li\u003e\n\u003cli data-end=\"1856\" data-start=\"1814\" data-section-id=\"folic1\"\u003eMultiple diameters and lengths available\u003c\/li\u003e\n\u003cli data-end=\"1908\" data-start=\"1857\" data-section-id=\"1mznig7\"\u003eNo mixing of water from different sampling depths\u003c\/li\u003e\n\u003cli data-end=\"1956\" data-start=\"1909\" data-section-id=\"njmxzb\"\u003eEasy to decontaminate between sampling events\u003c\/li\u003e\n\u003cli data-end=\"1993\" data-start=\"1957\" data-section-id=\"4kuzxy\"\u003eIdeal for LNAPL and DNAPL sampling\u003c\/li\u003e\n\u003cli data-end=\"2104\" data-start=\"1994\" data-section-id=\"1uqhsm4\"\u003eSuitable for groundwater, boreholes, lakes, and surface water sampling \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2109\" data-start=\"2106\"\u003e\n\u003ch2 data-end=\"2138\" data-start=\"2111\" data-section-id=\"13bet33\"\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2513\" data-start=\"2140\"\u003e\n\u003cthead data-end=\"2174\" data-start=\"2140\"\u003e\n\u003ctr data-end=\"2174\" data-start=\"2140\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"2156\" data-start=\"2140\"\u003eConfiguration\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"2174\" data-start=\"2156\"\u003eSolinst Part #\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2513\" data-start=\"2210\"\u003e\n\u003ctr data-end=\"2244\" data-start=\"2210\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2230\" data-start=\"2210\"\u003e425 Mk3 1\" × 2 ft\u003c\/td\u003e\n\u003ctd data-end=\"2244\" data-start=\"2230\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2242\" data-start=\"2232\"\u003e114966\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2279\" data-start=\"2245\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2265\" data-start=\"2245\"\u003e425 Mk3 1\" × 4 ft\u003c\/td\u003e\n\u003ctd data-end=\"2279\" data-start=\"2265\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2277\" data-start=\"2267\"\u003e114967\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2317\" data-start=\"2280\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2303\" data-start=\"2280\"\u003e425 Mk3 1.66\" × 2 ft\u003c\/td\u003e\n\u003ctd data-end=\"2317\" data-start=\"2303\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2315\" data-start=\"2305\"\u003e114968\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2355\" data-start=\"2318\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2341\" data-start=\"2318\"\u003e425 Mk3 1.66\" × 4 ft\u003c\/td\u003e\n\u003ctd data-end=\"2355\" data-start=\"2341\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2353\" data-start=\"2343\"\u003e115011\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2390\" data-start=\"2356\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2376\" data-start=\"2356\"\u003e425 Mk3 2\" × 2 ft\u003c\/td\u003e\n\u003ctd data-end=\"2390\" data-start=\"2376\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2388\" data-start=\"2378\"\u003e115012\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2425\" data-start=\"2391\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2411\" data-start=\"2391\"\u003e425 Mk3 2\" × 4 ft\u003c\/td\u003e\n\u003ctd data-end=\"2425\" data-start=\"2411\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2423\" data-start=\"2413\"\u003e115013\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2513\" data-start=\"2426\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2461\" data-start=\"2426\"\u003e425-D Deep Sampling 1.66\" × 2 ft\u003c\/td\u003e\n\u003ctd data-end=\"2474\" data-start=\"2461\" data-col-size=\"sm\"\u003e\u003cstrong data-end=\"2473\" data-start=\"2463\"\u003e115342\u003c\/strong\u003e\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 data-end=\"2687\" data-start=\"2515\"\u003e\u003cstrong data-end=\"2687\" data-start=\"2515\"\u003eSelect the desired sampler configuration from the dropdown menu. If you're unsure which Model 425 sampler is best for your application, our team is happy to help.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"2692\" data-start=\"2689\"\u003e\n\u003ch3 data-end=\"2709\" data-start=\"2694\" data-section-id=\"mu966k\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-end=\"3035\" data-start=\"2711\"\u003e\n\u003cli data-end=\"2733\" data-start=\"2711\" data-section-id=\"1bzbtob\"\u003eGroundwater sampling\u003c\/li\u003e\n\u003cli data-end=\"2765\" data-start=\"2734\" data-section-id=\"dljio2\"\u003eNo-purge groundwater sampling\u003c\/li\u003e\n\u003cli data-end=\"2796\" data-start=\"2766\" data-section-id=\"1m4h7tc\"\u003ePassive groundwater sampling\u003c\/li\u003e\n\u003cli data-end=\"2832\" data-start=\"2797\" data-section-id=\"1n56s3s\"\u003eEnvironmental site investigations\u003c\/li\u003e\n\u003cli data-end=\"2851\" data-start=\"2833\" data-section-id=\"1by3fnp\"\u003eMonitoring wells\u003c\/li\u003e\n\u003cli data-end=\"2872\" data-start=\"2852\" data-section-id=\"1x3ympu\"\u003eChemical profiling\u003c\/li\u003e\n\u003cli data-end=\"2889\" data-start=\"2873\" data-section-id=\"1oa2ddg\"\u003eLNAPL sampling\u003c\/li\u003e\n\u003cli data-end=\"2906\" data-start=\"2890\" data-section-id=\"1o4ggfw\"\u003eDNAPL sampling\u003c\/li\u003e\n\u003cli data-end=\"2926\" data-start=\"2907\" data-section-id=\"1bmoinz\"\u003eBorehole sampling\u003c\/li\u003e\n\u003cli data-end=\"2951\" data-start=\"2927\" data-section-id=\"v74gp7\"\u003eSurface water sampling\u003c\/li\u003e\n\u003cli data-end=\"2978\" data-start=\"2952\" data-section-id=\"14v2ypg\"\u003eLake and river profiling\u003c\/li\u003e\n\u003cli data-end=\"3035\" data-start=\"2979\" data-section-id=\"12dlxzl\"\u003eSite remediation \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3040\" data-start=\"3037\"\u003e\n\u003ch3 data-end=\"3060\" data-start=\"3042\" data-section-id=\"w3a6bn\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul data-end=\"3192\" data-start=\"3062\"\u003e\n\u003cli data-end=\"3115\" data-start=\"3062\" data-section-id=\"1dvg19r\"\u003eGenuine Solinst Model 425 Discrete Interval Sampler\u003c\/li\u003e\n\u003cli data-end=\"3148\" data-start=\"3116\" data-section-id=\"xu0139\"\u003eSelected sampler configuration\u003c\/li\u003e\n\u003cli data-end=\"3192\" data-start=\"3149\" data-section-id=\"1hfqae8\"\u003eFactory assembled and ready for field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3265\" data-start=\"3194\"\u003e\u003cem data-end=\"3265\" data-start=\"3194\"\u003eTubing reel, high-pressure hand pump, and tubing are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-end=\"3270\" data-start=\"3267\"\u003e\n\u003ch3\u003e\u003cstrong\u003eSolutions for Precision Groundwater Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eActivated Carbon Depot proudly supplies genuine Solinst groundwater monitoring equipment trusted by environmental consultants, engineering firms, research organizations, municipalities, and remediation professionals. From discrete interval samplers and groundwater pumps to water level meters and field accessories, we provide dependable solutions that help professionals collect accurate environmental data and confidently manage groundwater monitoring programs.\u003c\/p\u003e","brand":"Solinst","offers":[{"title":"1\" × 2 ft","offer_id":47654577537213,"sku":"114966","price":212.0,"currency_code":"USD","in_stock":true},{"title":"1\" × 4 ft","offer_id":47654577569981,"sku":"114967","price":385.0,"currency_code":"USD","in_stock":true},{"title":"1.66\" × 2 ft","offer_id":47654577602749,"sku":"114968","price":373.0,"currency_code":"USD","in_stock":true},{"title":"1.66\" × 4 ft","offer_id":47654577635517,"sku":"115011","price":516.0,"currency_code":"USD","in_stock":true},{"title":"2\" × 2 ft","offer_id":47654577668285,"sku":"115012","price":630.0,"currency_code":"USD","in_stock":true},{"title":"2\" × 4 ft","offer_id":47654577701053,"sku":"115013","price":850.0,"currency_code":"USD","in_stock":true},{"title":"425-D Deep Sampling 1.66\" × 2 ft","offer_id":47654577733821,"sku":"115342","price":867.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1408\/4285\/files\/SolinstModel425DiscreteIntervalSamplers.jpg?v=1784565681","url":"https:\/\/activatedcarbondepot.com\/products\/solinst-model-425-discrete-interval-samplers","provider":"Activated Carbon Depot","version":"1.0","type":"link"}