Liquid Helium
Variable Temperature System
Basic Unit
ES-CT470/BU
Features
This attachment allows ESR measurements at a preset temperature in the range of 2.5 to 470K. A GaAs is used as the temperature sensor and highly precise temperatures can be set. For cooling below 4.2 K, a vacuum pump (optional) is required. The photo (center) shows the ES-CT470 with a universal cavity. The coolant is transferred to the cryostat using a transfer tube. Use of the ultraviolet radiation apparatus and the angular rotation device is possible.
Specifications
| Variable temperature range | 2.5 to 470 K |
|---|---|
| Temperature stability | ± 0.5 K |
| Cool-down time | 10 to 15 minutes from RT |
| Liquid helium consumption | Approx. 1.5 L / h at 4.5 K |
| Dewar adapter diameter | 5/8 inch |
| Power supply | AC 100 V to 200 V, 1 A |
| Applicable cavity | ES-UCX2 / MCX1A / MCX3B / ODMRC / 14040DMC |
| Sample tube | 5 mm OD |
Composition
Cryostat (incl. heater, sensor)
Transfer line (incl. dewar adapter)
Flow meter
Temperature controller
Assembly fixtures and spare parts
* The liquid helium dewar and helium gas cylinder are not composed.
* To reduce the temperature below 4.2 K, a vacuum pump (600 L / min) and pressure gauge (-0.1 to 0.1 MPa) are also necessary.
Application
Application ES-CT470/BU
Observation of forbidden transitions in Mn (III) porphyrin complexes
More Info
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