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FTS AirJet XE753 Sample Cooler/Heater Temperature Cycling System -75/+225 deg. C

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Product Description

Manufacturer: FTS Systems

Model: XE753

Condition: Used. This system is in Fair cosmetic condition.  There are lots of small scuffs/scratches/dings especially in the bigger cabinet that make it look a little rough from close up.  The air inlet fitting may be a little loose on the unit you receive, but this does not affect function.  The plastic cover on the air pressure gauge may be cracked on the unit you receive.  The rear panel may be dented-in. The air and mains power inlet connections may be different than the ones shown. Cosmetic appearance may vary slightly from pictured unit(s).

Notes: This unit is in mostly-working condition.  It gets cold and hot, but the temperature transitions are longer than specified by the manufacturer.  Heating times are about the right duration, but cooling times are slow, up to double the rated 20 seconds from +125 to -55 This may be as simple as re-tuning the PID values in the controller, but we are not sure.  The Airflow and Refrigeration lamps may not illuminate on the unit you receive.

Please NOTE: the stability of the output temperature was NOT to specification during our testing.  The output bounced around, some units more than others, up to several degrees + and -, but we think this may also be a sign that the controller needs to be tuned. No manuals, cords/cables, or additional items are included if not listed or shown.


  • (1) Refrigeration Unit with Output Hose attached
  • (1) Controller
  • (1) Connection Cable


  • Manufacturer: FTS Systems
  • Model: XE753_01
  • Air-Jet XE Precision Temperature Cycling System
  • Temperature range: -75ºC to +225ºC
  • Thermal forcing unit fits on the benchtop
  • Self-contained only requires dry air, NO nitrogen required!
  • Monitor and control from an internal or external (sample-mounted) thermocouple
  • Save multi-step profiles in the Watlow F4 digital controller
  • RS-485 or GPIB (IEEE_488) programmability to interface with automated test equipment
  • Flow rates ajustable from 1.0 to 4.0 SCFM (2.0 SCFM gives best temperature control range)
  • Small enough to be rack-mounted
  • Refrigeration unit dimensions: 24" x 15" x 16"H (approximately)
  • Built-in overtemperature safety
  • Built-in low-flow safety
  • PID digital controller
  • Rated for +/-0.5º stability and repeatability (please read testing notes!)
  • Control unit dimensions: 10" x 8" x 7" (approximately)
  • Transition specifications @ 2SCFM (please read testing notes!)
    • -55ºC to +125ºC <10 seconds
    • +125ºC to -55ºC <20 seconds
  • Power: 220V 50Hz (compatible with 230V 60Hz)
  • Requires clean dry air, 7SCFM with -80ºC dewpoint
  • NO thermal caps (sample enclosures) are included

Heating times are okay, cooling is a little "slow".

30 Day Guarantee

  • Guaranteed to be as described
  • Can be returned for flaws or malfunctions that were not disclosed
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