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The LTHS Dewar is a low profile dewar, designed for fit between the poles of a magnet to enable measurements to be made of the resistivity, Hall mobility and other properties of materials over a wide range of temperatures. Guarded triax leads provide electrical input to the sample via similarly guarded leads on a Kapton Harness to the sample on the cold stage. A Hall sensor immediately adjacent to the sample allows measurement of the magnetic field at the sample location.

Features


Operating Temperature: 80 K to 400 K*
Temperature Stability: ± 0.05 K with K-20 Programmable Controller
Temperature Response: 1 K/sec
Cooling Capacity: 250 mW at 85 K with nitrogen; 500 mW with Ar at 90 K.
Cold pad size:14 mm x 10 mm
Standard Window material: Fused silica
Optional Window: Sapphire, KRS-5, Ge, etc.
Guarded triax leads to sample.
Four sample leads for Van der Pauw measurements.
Extra BNC lead for heater for Seebeck Measurements.
Simple sample mounting.
Integral Hall sensor at sample site.
Compatible with MMR M-50 Electromagnet and H-50 Hall System.
Dewar dimensions: 6.0" L x 2.5" W x 0.75" H at sample.
Weight of Vacuum chamber: 170 g (6 oz)

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