Milk cryoscope

Single-Sample Cryoscope

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Single-Sample Cryoscope

The Advanced Instruments Model 4250 Single-Sample Cryoscope is the fastest, most reliable, and precise system for milk analysis. The Model 4250 employs the industry preferred freezing point depression (FPD) method for determination of added water to milk. The Model 4250 allows your plant to manage a premium milk supply, ensure quality products and improve your operating efficiency.


  • Low maintenance
  • On-board printer for better traceability
  • Rapid & stable automated calibration


The 4250 offers both the International Reference Method of Plateau Seeking (ISO/FDIS-5764/IDF 108) and standard timed plateau methods and it operates in both accepted temperature scales millidegrees Celsius (m°C) and millidegrees Horvett (m°H)


Optional barcode scanner to input the supplier ID numbers.

On-board printer for better traceability, tracking and to meet your HACCP requirements and RS-232 communication capability for data transfer.


Low maintenance; the sample probe and stir-wire are fully accessible for easy cleaning.


The instrument display can be switched between multiple languages


Rapid and stable automated calibration procedure and two minute test time allows for high throughput of samples


Advanced Instruments calibrators, controls and supplies meet the exacting standard required to fulfill ISO, HACCP and QA/QC laboratories

4250 Single-Sample Cryoscope

Sample volume2.0 or 2.5 ml
Test timeapproximately 90 seconds in the 30-second timed mode
Sample capacitySingle sample
Unit-m°C or -m°H
Range0 to 1000 m°C or m°H
communicationOn boardprinter DTERS-232serialport and optional barcode scanner
Performance at Reference Conditions1
Linearity Less Than ±5% from a straight line
Repeatability ±2 m°C or m°H (1 S.D)
Drift Less Than 1 m°C or m°H per month
Performance Over Operating Conditions
Temperature Effects3Less than 1 m°C or m°H per 5°C (9°F)ambient temperature change
Operating Conditions
Temperature18 to 35°C (64 to 95°F)
Humidity5 to 80% relative humidity (non-condensing)
StorageTemperature -40°C to +45°C (-40°F to +113°F)
Voltage100 to 240 VAC (50/60 Hz)
Power consumption 95 Watts
Dimensions16.0″ H x 13.0″W x 18.0″D (40.6cm x 33. 0 cm x 45.7 cm)
Net weight28.0 lbs. (12.7 kg)
Shipping weight30 lbs. (17.7 kg)
WarrantyOne-year limited warranty on workmanship and all parts except glass, Plastic, and part warranted by their makers
Installation Class I
Over-voltage Category II
Pollution Degree2
Moisture protection IPXO (ordinary)