TSA (two/three-zone) Thermal Shock Chambers

Hot-cold or hot-ambient-cold tests possible


New: Now with USB and Ethernet access standard

Traditional three-zone thermal shock chambers can be quite large, as three separate chambers are used. The TSA series has just one chamber, substantially reducing its size. Instead, it circulates cold, hot, or ambient air as needed. The conditioned air is pre-cooled or pre-heated beyond the setpoint, allowing quicker recovery of the desired condition after transfer.

New Eco-Mode is standard for all models. Eco-mode manages the pre-conditioning and modulates refrigeration systems to reduce energy usage. Savings of up to 50% over previous models is possible, or as much as $2,000 a year.

  • "EL" models are lower cost models with only two-zone capability, lower performance, and partial savings of Eco-mode.
  • "ES" models have higher performance, three-zone capability, and larger heating/cooling performance that fully benefits from Eco-mode innovations.
  • The TSA-73EH-W is configured especially to meet the popular Mil-Std 883 1010 method, from -65 to 150°C.

1000 cycles without defrosting?

The new TSA models have a new patent-pending option that allows them to do thermal shock testing for 1000 cycles (or 500 hours) without needing a defrost step. This can save significant test time (other chambers may need defrost every 20-100 cycles), as well as saving additional energy.

  Compare Thermal Shock Models
  Side-by-side comparison of up to three models.

Features

  • Test samples don't move
  • Horizontal airflow design assures uniform results
  • Extremely compact systems with a vertically sliding door for added space savings
  • Utilizes the latest refrigeration technology: electronic expansion valve and scroll compressor

ESPEC’s Exclusive Touch-Screen Programmer:

  • NEW: USB and Ethernet interfaces
  • User-friendly touch-screen operation with large 9" color display
  • Store 40 two-zone or three-zone test programs
    • Programs may be written on a PC and uploaded via USB
  • The trend-graph display shows a record of setpoints and actual values
    • Operation data can be downloaded as needed, or continually, to USB
  • Two time signal relays for automated on/off control of test devices/samples
  • System alarms are stored in memory for historical review
  • Built-in timer functions allow the chamber to be started or shut down automatically
  • Pattern Manager Lite PC software for program editing and datalog viewing/exporting, to support USB functionality
  • Ethernet interface for remote monitoring and operation control, as well as data downloading

TSA (two/three-zone) Thermal Shock Model Comparison

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Model / Link Interior Dimensions
(W x D x H)
Interior Volume Temperature Range Notes
TSA-43EL-A 9.4" x 14.6" x 18" 1.5 cu. ft. -65 to 200°C Test example: -40 to 125°C in 15 min. (upstream air) with 3.5 kg (plastic ICs + basket)
TSA-73EL-A 16" x 14.5" x 18" 2.5 cu. ft. -65 to 200°C Test example: -40 to 125°C in 5 min. (upstream air) with 6.5 kg (plastic ICs + basket)
TSA-73ES-A 16" x 14.5" x 18" 2.5 cu. ft. -70 to 200°C Test example: -65 to 150°C in 5 min. (upstream air) with 6.5 kg (plastic ICs + basket)
TSA-73ES-W 16" x 14.5" x 18" 2.5 cu. ft. -70 to 200°C Test example: -65 to amb. to 150°C in 5 min. (upstream air) with 7.5 kg (plastic ICs + basket)
TSA-73EH-W 16" x 14.5" x 18" 2.5 cu. ft. -70 to 200°C Test example: -65 to 150°C in 15 min.( worst-case on -product) with 11 lb of IC chips
TSA-103EL-A 25.5" x 14.5" x 18" 4 cu. ft. -65 to 200°C Test example: -40 to 125°C in 10 min. (upstream air) with 7.5 kg (plastic ICs + basket)
TSA-103ES-W 25.5" x 14.5" x 18" 4 cu. ft. -70 to 200°C Test example: -65 to amb. to 150°C in 5 min. (upstream air) with 7.5 kg (plastic ICs + basket)
TSA-303EL-W 38" x 26.4" x 18" 10 cu. ft. -65 to 200°C Test example: -40 to 125°C in 10 min. (upstream air) with 17 kg (plastic ICs + basket)
TSA-203EL-W 25.5" x 26.4" x 18" 7 cu. ft. -65 to 200°C Test example: -40 to 125°C in 5 min. (upstream air) with 16 kg (plastic ICs + basket)
TSA-203ES-W 25.5" x 26.4" x 18" 7 cu. ft. -70 to 200°C Test example: -65 to amb. to 150°C in 10 min. (upstream air) with 26 kg (plastic ICs + basket)
TSA-202ES-W 25.5" x 26.4" x 18" 7 cu. ft. -70 to 200°C Test example: -65 to amb. to 150°C in 10 min. (upstream air) with 26 kg (plastic ICs + basket)

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