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Thermal Shock Test Chamber

3TS series thermal shock test chamber, it is just one chamber for test room, it circulates cold and hot air through the pneumatic damper on the left and right sides. This design makes external size smaller, and this 3TS series thermal shock chamber are pre-heated and pre-cooled to achieve faster test temperature.

The test chamber can pre-record the programs, so that customers can start test only click program numbers. Standard and custom models meet different requirements.

Key Feature

  • Inner chamber material: stainless steel plate Shell material: Stainless steel with texture treatment or high-quality cold rolled steel plate with static injection
  • Pneumatic damper type thermal shock chamber
  • Temperature recovery time less than 15 minutes
  • Heater: Ni-chrome electric heater
  • Humidifier: stainless steel electric vapor generation type UL-type humidifier
  • Mechanical compression refrigeration system
  • Casters, shelf, and cable port are standard
  • Lamp inside of chamber
  • Ethernet and USB(option)
  • Large viewing window
  • Adjustable and removable sample shelves
  • Safety protection system

Refrigerating system

  • Refrigerant: environment-friendly R404 refrigerant
  • Closed-type and low-noise rotor compressor
  • Refrigeration mode: machinery compression single-step refrigeration (air-cooled condenser) and machinery compression dual cascade system refrigeration
  • R404 refrigerant: environmental protection refrigerants

Control system:

  • Touch-type temperature and humidity programmable controller
  • Operating interface: LCD display
  • Temperature and humidity controller: touch-type LCD controller 
  • Setting mode: touching type
  • Running mode: setting-up running and programmed running
  • Program: 100 groups in 100 segments
  • Resolution: temperature: ± 0.1 ; humidity: ± 1%RH
  • Input: platinum thermal resistance
  • Control mode: PID control
  • Communication function: LAN network interface
  • Additional function: alarm and display function, power-off protection function, upper limit temperature alarm function, timing function (auto start and auto stop), self-diagnosis function, curve record and display function, paperless record, USB data export, tele-monitoring and so on.
  • It can execute 100 STEP X 10 PATTEM mode.
  • Each section can be grouped and executed in crossing way.
  • The execution time for each section can be set up between 0-999H plus 59min.
  • For setting up for each group, it can circulate within 1-999 in part or entirely for option.
  • In execution, it can select group circle picture or section execution picture and can know the remaining time for execution.
  • It has power-off function. After power recovery, it can complete the remained test.
  • It can select single-section control or multi-section programmable control.
  • The screen has backlight time control function and it can adjust the backlight brightness.
  • For executing single-section control, it can change the execution value at will. The memory-type multi-function control has automatic control output functions, such as heating heater and humidifying heater for electromechanical solenoid valve for different groups of refrigerating compressors and so on

Safety Device

  • Humidifier dry-combustion protection, independent over-temperature protection, water shortage protection, over-current protection, refrigerant high-pressure protection switch, over-current circuit breaker, earth leakage protection and so on.
  • Operation ambient temperature: 5 ~ 30
  • Power supplyAC220±10%V 50±0.5Hz single-phase double-wire + protective grounding wire/ AC380±10%V 50±0.5Hz three-phase four-wire+ protective grounding wire (other voltage option with extra cost for transformer)

Standard Accessories

1 cable hole (Φ50mm), with plug; 2 shelves






Interior Volume





Loading Capacity





Pre-heat Room

Upper limit Temperature


Heating Time

Ambient ~ +200°C, within 30 minutes

Pre-cool Room

Lower limit Temperature


Cooling time

Ambient ~ -70°C, within 30 minutes

Test room

High Temperature  Exposure Range

Ambient +20 ~ +200°C

Low temperature Exposure Range

-65 ~ -5°C

Temperature Fluctuation

≤±0.5 °C

Temperature Deviation

≤±3 °C


Cooling System

Mechanical compression refrigeration system

Refrigerating Unit

French TECUMSEH compressor


R404A, R23

Heating Element

Nichrome heater


Programmable color LCD touch screen controller

Ethernet connection, PC Link

Temperature Sensor

PTR Platinum Resistance PT100Ω/MV A-class, accuracy 0.001°C

View Window Size(mm)

250 x 280

300 x 300

Air Circulation

Centrifugal wind fan

Safety Device

Over-temperature Protection; Over-current Protection;

Refrigerant High-pressure Protection; Earth leakage Protection

Exterior Material

Steel Plate with protective coating

Interior Material

SUS304 stainless steel

Thermal Insulation

Polyurethane foam and insulation cotton

Observation Window

Interior lighting, double-layer thermo stability silicone rubber sealing

Standard Configuration

1 Cable hole (Φ 50,) with plug; 2 shelves

Power Supply

380V 50HZ (60hz with optional transformer)

Maximum Noise

65 dBA

Environmental Conditional

5°C ~ +35°C   ≤85% RH

Internal Dimensions (mm)





Overall Dimension (mm)