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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.
Supplier: Precision Systems PSY5008
Includes:
- 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
Description
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.
Features
- 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
Specifications
| <2 min. | |
| Petroleum Cryoscope | |
| 25.4 cm | |
| -2°C to 0°C and 2.5°C to 5.5°C | |
| 10 to 15 min. | |
| 15 in. | |
| 2mL | |
| 0.001°C | |
| 22.8 cm | |
| Water and benzene | |
| 115V |
| 9 in. | |
| Used in measurent of total concentration of petroleum based samples | |
| 10 in. | |
| 2 noninteracting controls | |
| Instruction manual, 24 x 2mL sample tubes, spare stirring wires, 125mL each of two standards, 250mL of bath fluid, test tube rack, and spare stirring wires | |
| 9.97 kg | |
| 115V 50/60Hz | |
| 22 lb. | |
| 38.1 cm | |
| 50/60Hz | |
| Each |