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Three-Zone Thermal Shock Test Chamber

Thermal shock testing chamber exposes products to alternating low and high temperatures to accelerate failures caused by temperature cycles or thermal shocks during normal use.

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What is a Three -Zone Thermal Shock Chamber ?

3-Zone Thermal Shock Chambers from ATMARS has three side-by-side independent zones: hot, ambient, and cold. The addition of the ambient zone allows for three zone testing, which is a requirement of some military standards. 


Performance

ATST Series Three Zone (Hot/Ambient/Cold) Horizontal Layout (side by side) - direct hot/cold transfer with selectable ambient temperature dwell required for some MIL-STD's.

Our standard three-zone thermal shock chambers models workspace volumes include: 72L, 100L, 150L, 200L, 252L, 300L and 480L. And interior dimensions can be customized according to specimen sizes and your testing requirements.

Temperature Range:

- Hot zone to +180℃ (356° F)

- Cold zone to -75℃ (-103° F)

- Other temperature range available

High temperature exposure: +150℃ (302° F)

Low temperature exposure:

Type A: -40℃ (-40° F)

Type B: -55℃ (-67° F)

Type C: -65℃ (-85° F)

Recovery time for mechanical refrigeration : ≤ 5minutes

High / Low temperature exposure time: 30minutes

Basket transfer time within 10 Sec.

An ATMARS application engineer can assist you in selecting the chamber configuration and size that is most economical for your testing needs.


Specifications of Three-Zone Thermal Shock Chambers ATST Series_ATMARS.jpg


Cabinet 

Welded #SUS304 stainless steel interior

Cold-rolled steel exterior with powder coated finish

Welded structural base frame with removable service access panel on three sides for easy maintenance

Chamber drain

Direct drive-shaft powered forced air circulation

No need to move specimen, hot/cold thermal shock by pneumatic dampers

Low "K" factor urethane foam insulation and fiberglass thermal insulation

Full opening chamber door with dual silicone sealing gaskets

Front built-in touch-screen programmable controller

Chamber fan motors externally located

Through-wall traveling access port

Stainless steel shelves

Heavy duty casters and floor stands for mobility and balance

Make modifications to structure when necessary allowing for a modular assembly on-site overcome most facility issues


Heating/Airflow/Cooling Systems
Efficient open wire nichrome resistance heaters

Forced interior air circulation with efficient fan motors

Self-contained Single stage or cascade mechanical refrigeration system

- France TECUMSEH hermetic reciprocating compressor

- German GEA (Bock) semi-hermetic reciprocating compressor

- German BITZER semi-hermetic reciprocating compressor

Zero ozone depletion potential (ODP) refrigerants - R404A / R23

Air cooled condenser / Water Cooled Condenser (Option) / Option Liquid Nitrogen Cooling

High efficiency brazed plate heat exchanger (Option)

EMERSON A-W Series oil separators
Solenoid valves for energy saving refrigeration bypass capacity control

All piping joints silfosed or silver soldered

Oil pressure switches


Electrical

 All circuits fused or circuit breaker protected

 All wiring labeled or color coded

 Fully enclosed electrical panel

 High Temperature limit safety

 Balanced load on 3 phase power


Optional Accessories

 Custom colors

 Number, size, position and shape (round, glove or square) of traveling access ports

 Additional basket shelves

 Custom fixture 

 Door Interlocks

 Water cooled condenser

 Remote refrigeration system

 Boost cooling system, LN2 or CO2

 Dry air purge

 Dry nitrogen purge

 Quiet package

Horizontal Air to Air Three-Zone Thermal Shock Chambers_ATMARS.jpg

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