Series 44 Cryogenic Temperature Probes Scientific Instruments
The Series 44 cryogenic temperature probes utilize either a 200Ω or 1000Ω platinum resistance thermometer (PRT), or a silicon diode (SD) thermometer and are constructed of stainless steel. The 44B design is designed for operation from -40°C to +200°C and the 44C from -196°C to +125°C. The Series 44 is also available with silicon diode sensing elements (44D) for operation in the most extreme cryogenic temperature regimes down to -269°C.
The probes are designed to withstand the extreme conditions—mechanical, thermal, and electrical—expected of their process environments. They are hermetically sealed with the sensing element embedded within a thermal epoxy at the stem’s tip. These probes are recommended for direct immersion with your application service media and can withstand extreme pressure environments.
OPTIONS:
Series 44C Aerospace Probe, 9.5 Inch Insertion Length
Series 44C Aerospace Probe, 6.1 Inch Insertion Length
Series 44C Aerospace Probe (OMEGA), 2.5 Inch Insertion Length
Series 44C Aerospace Probe (OMEGA), 4.5 Inch Insertion Length
Series 44D Aerospace Probe, 5.5 Inch Insertion Length (+/- 0.5K @ 4.2K, +/- 0.1K @ 77.4K, +/- 1K @ 273.15K)
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