Holding time verification for pasteurizers
Ensure your pasteurized products meet safety standards by verifying they’re held at the correct temperature and duration, essential for eliminating harmful microorganisms without compromising quality.

The Holding Time Verification System from Unison Process Solutions is designed to ensure precise pasteurization for dairy, beverage, and pharmaceutical industries. This system utilizes the Pastest+ or HEIST technologies to manually or automatically verify pasteurization holding times, safeguarding against harmful microorganisms while maintaining product quality. The HEIST system provides automated daily testing of pasteurizers and heat exchangers, efficiently detecting defects like cracks with minimal downtime. Validated by Campden BRI, Pastest+ offers non-destructive testing and manual operation flexibility. This system is particularly beneficial for pasteurizing milk, yogurt, juices, and liquid medications, ensuring products meet safety regulations. With options for integration into existing processing lines, it facilitates seamless operations for end users.
Benefits
- Ensures precise pasteurization to protect product safety and quality.
- Minimizes operational downtime with automated integrity testing.
- Provides flexible operation with manual or automated verification options.
- Enhances compliance with safety regulations for diverse industries.
- Integrates seamlessly with existing production lines for efficient workflow.
- Applications
- Beverages,Milk,Animal health products,Beer,Food products,Dairy products,Pharmaceuticals
- End products
- Pasta sauces,Probiotic drinks,Cheese,Liquid medications,Animal vaccines,Pasteurized milk,Yogurt,Soft drinks,Fruit juices
- Steps before
- Pre-heating,Product Loading,Setup and Calibration
- Steps after
- Cooling,Packing,Quality Assurance,Distribution
- Input ingredients
- raw milk,unpasteurized milk,unpasteurized dairy products,unpasteurized beverages
- Output ingredients
- pasteurized milk,pasteurized dairy products,pasteurized beverages
- Automation
- Automatic / Manual
- Accuracy
- High Accuracy
- Capacity
- Various throughputs depending on pasteurizer size
- Testing Method
- Non-destructive integrity and holding time test
- Test Frequency
- Daily or as desired
- Validation
- Validated by Campden BRI
- Downtime
- Minimal
- Working mechanism
- Automatic testing
- Integrated steps
- Automatic holding time verification,diversion valve check
- Automation level
- Manual / Automatic
- Downtime
- Minimal
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Pasteurization requirements
- High-temperature,short-time
- Control panel type
- Automatic / Manual
- Integration
- PLC / SCADA
- Test system type
- HEIST / Pastest+
- Operating mode
- Automatic / Manual
- Market info
- Unison Process Solutions is known for designing and manufacturing custom-engineered process equipment for the dairy, beverage, and food industries, emphasizing innovation, quality, and tailored solutions to meet specific customer needs efficiently.