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Precision Systems Cryette A™ and Cryette WR™ Cryoscopes

Highly sensitive cryoscopes with reliable operation that automatically lowers bath temperature for high concentrations in research applications. Precision Systems Cryette A and Cryette WR Cryoscopes include all solid-state non-mechanical seven-segment readout with integrating techniques for maximum accuracy and reproducibility.

Manufacturer: precision systems  5006

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  • Instruction Manual
  • 24 x 2mL Sample Tubes
  • A Model has 250mL each of 7% and 10% sucrose-equivalent salt calibration standards (-0.422 and -0.621°H); Dual-Range and WR has 125mL each of 100mOsm/kg H2O and 500mOsm/kg H2O standards
  • Bath Fluid
  • Stirring Wires
  • Test-tube Rack
  • Spare Temperature Probe

Catalog No. 12-672

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Test Time <2 min.
Cool-Down Time 10 to 15 min.
Includes Instruction manual, 24 x 2mL sample tubes, 250mL each of 7% & 10% sucrose equivalent salt calibration standards (-0.422°H & -0.621°H), spare stirring wires, bath liquid, and test tube rack, spare temperature probe
Height (English) 10 in.
Depth (Metric) 22.8cm
Weight (Metric) 12.7kg
Weight (English) 28 lb.
Depth (English) 9 in.
Width (English) 15 in.
Calibration 2 noninteracting controls
Height (Metric) 25.4cm
For Use With (Application) Used in dairy for QA and QC, 2mL milk samples
Hertz 50/60Hz
Electrical Requirements 115V 50/60Hz
Quantity Each
Product Type Milk Cryoscope
Precision 0.001°C
Width (Metric) 38.1cm
Solvent Water
Voltage 115V
Sample Size 2mL

All models obtain molecular weight, solution concentration and freezing point depression determinations for 2mL samples. Additionally, the WR Model includes a digital readout that presents readings in millidegrees C of freezing point depression and digitally displays bath temperature.


  • Choice of three models: Cryette A is a milk cryoscope; Dual-Range Cryette A is used for petroleum applications where water or benzene is the solvent; Cryette WR is a wide-range cryoscope that offers the flexibility of using many solvent types
  • Thermoelectric refrigerator reaches operating temperature in less than 15 minutes
  • Sample readings made in less than 2 minutes
  • Fast-equilibrating 55mL bath ensures exact temperature for each sample; controlled to ±0.1°C
  • Precisely controlled air temperature during sample isolation
  • Two-step calibration with non interacting controls ensures calibration in less than 5 minutes; also, with long-term stability to ensure infrequent calibration
  • Digital display with Special Mode facilitates calibration and allows for observing complete cooling and freezing cycle
  • Zero-stable panel meter that senses seed point
  • Implement APHA and AOAC Official Methods
  • Electrical requirements: 115V 50/60Hz, others available; contact your Fisher Customer Service Representative
  • Shipped assembled and ready to use