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Model CF-500 Refrigerator Cryogen Free High Field Superconducting MagnetSuperconducting Magnet:
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Conductively cooled superconducting magnet |
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+0.1% homogeneity over central 10 mm DSV |
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High temperature superconductor magnet current leads |
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Temperature sensors installed on on magnet, refrigerator 1st and 2nd stages |
| Single refrigerator design |
| Compressor - air or water cooled |
| Variable temperature exchange gas cryostat |
| Top loading sample loading - change sample in minutes |
| Sample temperature operating range of 5 to 325K |
| Sample probe with rotational and linear adjustments |
| Calibrated (4 to 325K) temperature sensor installed on sample mount |
| 4K closed cycle refrigerator with
1 or 1.5 Watts at 4.2K for magnet and sample cooling Single refrigerator design |
| Compressor with interconnecting hoses, water or air cooled |
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Programmable ramp rate |
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Integral energy absorber |
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IEEE-488 and RS232 computer interfaces |
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24 bit ADC at a sample rate of 20 Hz per channel |
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3 term PID control and table modes |
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10 micro amps excitation current and AC excitation with clamping voltage mode for Cernox sensors |
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IEEE-488, RS232 and USB computer interfaces |
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Dual loop control, 50 watts and 10 watts |
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Two multi temperature sensor inputs |
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Sensor calibration curves installed |
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Fully integrated and tested |
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Simultaneous display of up to 8 temperature sensors |
Proven Cryostat Design - pdf