Solinst Model 425 Discrete Interval Samplers

Solinst Model 425 Discrete Interval Samplers for Groundwater Sampling

The 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.

Trusted 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.

Target Specific Sampling Zones with Confidence

Unlike 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.

The simple, reliable design minimizes equipment complexity while providing dependable performance during environmental investigations and long-term groundwater monitoring projects.

Ideal for Environmental Investigations

Whether 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.

Available 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.

Each 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.

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Features

• Genuine Solinst OEM product
• No-purge (passive) groundwater sampling
• High-quality representative groundwater samples
• Stainless steel construction
• Multiple diameters and lengths available
• No mixing of water from different sampling depths
• Easy to decontaminate between sampling events
• Ideal for LNAPL and DNAPL sampling
• Suitable for groundwater, boreholes, lakes, and surface water sampling

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Available Configurations

Select 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.

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Applications

• Groundwater sampling
• No-purge groundwater sampling
• Passive groundwater sampling
• Environmental site investigations
• Monitoring wells
• Chemical profiling
• LNAPL sampling
• DNAPL sampling
• Borehole sampling
• Surface water sampling
• Lake and river profiling
• Site remediation

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What's Included

• Genuine Solinst Model 425 Discrete Interval Sampler
• Selected sampler configuration
• Factory assembled and ready for field use

Tubing reel, high-pressure hand pump, and tubing are sold separately.

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Solutions for Precision Groundwater Monitoring

Activated 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.