TWO ZONE, SINGLE CAPACITY (-2) (One hot zone & one cold zone) The products under test travel via a vertical lift elevator, alternating between the hot and cold zones.
	TWO ZONE, DOUBLE CAPACITY (-2D) (Two hot zones & one cold zone) In the two zone, double capacity system, the cold zone is always in use, which contributes to the efficiency of the system.

Guaranteed part temperature recovery/soak monitors the worst case part thermocouple and allows transfer only when set-point temperature has been reached

Thermal heat sinks in each zone for peak demand of heating and cooling. Provides extra thermal energy to efficiently meet the MIL-STD 883C requirements.

Temperature recorder provides 24 hour part temperature recording as the load travels from zone to zone.

Environmentally correct refrigerants are used that are ozone-free and meet all current regulatory requirements.

Safety:

• Electrically interlocking chamber doors and equipment section doors
• Electromechanical carrier lockout
• Transfer alarm/jam alarm
• Factory set over temperature controls
• Basket automatically stops when doors are opened
• Emergency Off Button (optional)
  

Full opening access doors and removable access panels with quick release hardware for ease in servicing

Adjustable door latch(es)

Nichrome wire heating elements with failsafe fusible link

Air circulation system has solid stainless steel jackshafts

Solid state heat switching

1-inch travelling access port

Pneumatically operated elevator transfer system

Two adjustable shelves in carrier basket

Main power disconnect switch

Door safety limit switches  

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TSV Model
Vertical
Thermal Shock Chamber

• -73°C to +177°C
  
  

Refrigeration System:

• Water-cooled cascade condenser
• Copper tubing cooling coils with aluminum fins
• High temperature silphosed or silver soldered joints
• Semi-hermetic compressors
• Stainless steel drip pan located under the cascade refrigeration coils ensures against moisture problems in the machinery package
• HFC refrigerants

Optional Features:

• GN2 purge in cold zone minimizes build-up of frost on the cold zone coils, which extends the number of cycles which can be performed between defrosting. Dry air purge where no GN2 is available.
• Semi-automatic defrost system monitors the cold zone and alerts the operators when a defrosting is needed. When activated, the system goes through a complete defrost cycle and re-starts the cold zone. Can run up to 1,000 cycles before defrosting may be needed.
• LN2 boost/backup system to assist the mechanical cooling system where loads exceed system ratings or where there is a shutdown of the mechanical cooling and LN2 is used for temporary operation.
• Noise reduction package provides sound insulation for the equipment section. Can reduce sound levels to 75 dBa.
• Precision over temperature and under temperature controls provide Factory Mutual (FM) user-set control to protect the products under test.
• Air-cooled condenser available where cooling water is not accessible for system operation.
• Remotely located equipment packages are available. Consult the factory for configurations and specifications.
  
  
  
  

Please direct any inquiries to:
sales@envirotronics.com