Your Test Result is Only as Accurate as Your Sample

Aseptic, Representative, and Hygienic Sampling Solutions

QualiTru understands your liquid sampling challenges. Our aseptic and representative sampling solutions for the Dairy and Liquid Food industries are easy to use, versatile and cost-effective. QualiTru’s sampling solutions have proven themselves in installations worldwide since 1983. Our combination of aseptic and representative sampling is unique in the industry.

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The Right Sampling Solution for Your Application

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Select your industry and click on your application. We’ll show you the issues we solve using the correct type of sampling, type of testing, and related products.

Sampling for dairy farms

Elevated Preliminary Incubation (PI) counts and Coliforms in raw milk on robot farms

Type of Sampling
Type of Testing



Nutrition Management/Feed Ration Check

Type of Sampling
Type of Testing

Protein, Butterfat & other solids


Unreliable payment sampling (on or off tanker trucks)

Unreliable raw milk quality data

Type of Testing

Protein, Butterfat & Other Solids

A Complete Line of Sanitary and Sterile Sampling Products and Accessories

Our Sampling System is Easy as 1-2-3-4

TS7 Inline Port (with VARIVENT® Connection)
Stainless Steel Ports
Septum – QualiTru
Sterile Collection Units-QualiTru
QualiTru Products 4 - Pumps

Free Webinar

2022 ADPI Webinar

On-demand webinar hosted by
ADPI, Environmental Sampling: Is it Enough?

Sampling Infographic

Monitoring Microbial Contamination

Advancing the Science of Aseptic and Representative Sampling and Educating the Markets We Serve

QualiTru has built a strong reputation for expertise, quality, education, and training over the past 30+ years.

Recent Sampling Posts

News & Events

University of Minnesota Honors QualiTru Founder Darrell Bigalke with Food Safety and Food Quality Science Award in His Name

Darrell Bigalke, the founder of QualiTru Sampling Systems and a dairy microbiologist and entrepreneur who has dedicated four decades to ensuring food safety through the revolutionary development of inline aseptic sampling systems for the dairy and liquid food industries, has been honored with the Darrell Bigalke Food Safety & Food Quality Award.

Trade Shows for 2023

What Our Customers Say…

Case Studies

La Pampa Case Study

Mastitis Detection Representative Sampling

UGA QualiTru Case Study

Sanitation Verification Using Aseptic Sampling