Automatic water samplers are devices designed to collect water samples from various sources for monitoring and analysis. These devices play a critical role in environmental management, water quality testing, and research by providing consistent, precise, and time-sensitive sampling without requiring constant human intervention.

Automatic Water Samplers With UTNT

At UTNT, we provide advanced automatic water sampler solutions for efficient and reliable water quality monitoring. Our systems collect samples at scheduled intervals or during specific events, reducing the need for manual intervention. This ensures consistent and accurate data critical for environmental analysis and regulatory compliance. Our solutions save time, lower labor costs, and enhance safety, especially in remote or hazardous areas. By enabling time-sensitive sampling, we help detect changes in water quality promptly. With UTNT’s technology, clients gain a smarter, more effective way to monitor water resources.

Application of Automatic Water Samplers

Portable Automated Sampling

WS Porti

The WS Porti Mobile Sampler is a compact, battery-operated device designed for reliable automated sampling in remote or mobile environments. Its robust stainless-steel housing ensures durability in harsh conditions, while the modular design and lightweight components make transportation and deployment easy.

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WS Compact

The WS Compact is a fully portable, battery-powered sampler engineered for use in both indoor and outdoor environments. Its lightweight HDPE housing and integrated MS3 controller make it exceptionally user-friendly and durable, even in rugged field conditions. With up to three weeks of battery life and options for external power and signal input.

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WS Porti Freezing

The WS Porti 1T–12T combines the durability of stainless steel with smart sampling automation to deliver high-efficiency performance in remote fieldwork. With a 24 V DC-powered motorized rotary distributor, it automatically synchronizes bottles to streamline multi-point sampling. The built-in vacuum pump system allows accurate collection of time.

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Stationary Samplers and Monitoring Stations

GMS Stations

The WS 316 GMS Large Monitoring Station is a robust, dual-cabinet system designed for continuous, high-precision water monitoring and sampling. It features a built-in monitoring vessel that maintains constant flow, allowing real-time parameter readings from multiple sensors. This ensures reliable detection of water quality fluctuations, with the added benefit of easy access for sensor cleaning and calibration.

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WS 316 SR

The WS 316 SR Self-Rinsing Sampler is purpose-built for challenging sampling environments where contamination, grease, or residue must be minimized. It automates the rinsing of all key sampling components with clean or warm water, ensuring high-accuracy results even in tough media. The system supports a wide range of WaterSam sampling technologies and integrates an XY Distributor for cross-contamination-free, discrete sample delivery.

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Self-Emptying Sampler

The WS 316 SE Self-Emptying Sampler is ideal for surveillance and unattended sampling scenarios, where regular bottle collection isn’t always practical. This intelligent system automatically drains and rinses sample bottles, keeping them ready for the next cycle—ensuring continuous operation without manual intervention. Its direct distribution mechanism minimizes cross-contamination, while optional bottle fill level monitoring and remote access via the MS3 controller enhance usability.

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Ex Stationary Sampler

The WS 316 Ex II Interior Sampler offers a smart and safe solution for collecting samples in explosive-risk areas, particularly in the chemical and petrochemical sectors. Its ATEX-certified sample storage chamber ensures compliance while minimizing cost, as only the sample zone—not the full housing—requires Ex protection. The pneumatic direct distributor prevents cross-contamination by bypassing complex distributor plates, ensuring hygienic, accurate results.

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Wall-Mounted Samplers

WS 98 Wall-Mount Sampler

The WS 98 Wall-Mount Sampler delivers full-scale performance in a compact, indoor-friendly package. Engineered for environments where cooling isn’t needed, it supports time, volume, and event-proportional sampling, with options for discrete and composite collection

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WS 98 F Freezing Sampler

The WS 98 F Freezing Sampler brings high-end sampling precision into a compact, wall-mountable format, perfect for environments requiring strict temperature control. Its active cooling system maintains sample temperatures down to -22 °C and ensures the cold chain remains unbroken—even during transport—thanks to external power compatibility.

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Compact Stationary Samplers

WS 312 Stationary Sampler

The WS 312 is a compact, all-weather sampler with built-in cooling/heating, ideal for indoor and outdoor use. Its stainless steel housing and three technical compartments ensure durability and component protection. The advanced vacuum system and borosilicate glass metering vessel guarantee contamination-free samples in extreme temperatures (-25°C to +42°C). Featuring the optional XY Distributor, it enables direct bottle filling without cross-contamination. The PT 100 thermostat ensures precise temperature control, while the MS3 controller offers intuitive operation and 4GB data storage. With multiple sampling modes and high lift pump options (up to 30m), it’s perfect for wastewater, industrial, and environmental applications. Energy-efficient and upgradeable, the WS 312 combines German engineering with unmatched reliability.

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Key Features

Portable Automated Sampling

  • Built-in battery allows use away from mains power
  • Up to 3 weeks battery run time thanks to sleep mode and efficient technology
  • Robust and durable stainless steel sampler housing
  • Standard-equipped with quality vacuum pump system and 12 mm suction line for reliable sampling of a variety of media
  • Optional compressor refrigeration with the ability to connect to vehicle socket for an uninterrupted cold chain during transport

Compact Stationary Samplers

  • Weather-proof housing and roof made of durable stainless steel
  • Three separate technical compartments in the upper section of the sampler to protect the pump, electronics, refrigeration unit, and other components
  • Freely adjustable and highly accurate temperature control for the sample storage chamber, for ambient temperatures from -25°C to +42°C
  • High-performance vacuum sampling system – alternatively available with other WaterSam sampling systems

Stationary & Monitoring Stations

  • Housing and roof made of durable stainless steel
  • Three separate technical compartments in the upper section of the sampler to protect the pump, electronics, refrigeration unit, and other components
  • Freely adjustable and highly accurate temperature control for the sample storage chamber, for ambient temperatures from -25°C to +42°C – optionally from -40°C up to +55°C
  • Hose inlet on the left and right side; optionally from below

Wall-Mounted Samplers

  • Compact Wall-Mount Design: Space-saving, ideal for indoor installations where footprint matters.
  • 316Ti Stainless Steel Construction: Provides excellent corrosion resistance and long-term durability in demanding environments.
  • Universal Sampling Compatibility: Supports all WaterSam systems, including vacuum, peristaltic, and pressure sampling technologies.
  • Programmable Sampling Modes: Time-, volume-, event-, and flow-proportional sampling.

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