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Low Temperature Test Chamber

TTLT Series of Low Temperature Test chamber are widely used in testing various types of materials for their tolerances of heat and cold. It is designed for quality inspection for all types of electronic products, electric appliance, and products from communication, instruction, automobile, plastic, metal, food, chemical, building materials, medical and aerospace industries. Unique design with high quality material, whether you’re testing aerospace products, electronic instrumentation, materials, electrical and electronic products and various electronic components, our High low alternating temperature and humidity test chamber can give you a perfect solution.

TTLT Series is able to simulate a wide range of temperature environments, that temperatures ranging from -86°C to +90°C. Torontech can also offer you best solutions based on your own requirements.

Test Area

  • Cabinet made of high quality SUS304 stainless steel
  • Test hole(φ50mm, φ125mm) sealed with silicone screw plug
  • PT100 platinum temperature sensor
  • 2 pieces of adjustable and removable shelves

Air Circulation

  • 3 air circulations fans
  • The real panel of test area equipped with chip-type wind board, air flowing out from top of wind board and return into air inlet to achieve air circulation.

Cooling System

  • Mechanical compression refrigeration system
  • 2 cascade compressor
  • Environment friendly refrigerant R404a for first stage, R23 for the second stage

Control Panel

  • PLC controller
  • Programmable color display touch screen controller.
  • 999 groups/sections programs
  • RS-232 /RS-485 interface, PC Link, LAN network

Viewing Window

  • Interior lights
  • Window coated with conducting film to protect operator
  • Size: 250 × 300mm

Safety

  • Over temperature protection and water shortage protection
  • Humidifier dry combustion protection and refrigerant high pressure protection
  • Over current protection
  • Earth leakage protection

Model

TTLT100L

TTLT225L

TTLT500L

TTLT800L

TTLT1000L

Interior Volume

100L

225L

500L

800L

1000L

Heat load

1000W

Temperature

Range

A: -20°C ~ +150°C

B: -40°C ~ +150°C

C: -70°C ~ +150°C

Temperature Fluctuations

± 0.5 ℃

Temperature

Deviation

± 2.0 ℃

Heating Rate

3 ℃ / min

Cooling Rate

1 ℃ / min

Cooling

Cooling system

Mechanical compression refrigeration system

Refrigerating unit

French TECUMSEH compressor

Refrigerant

R404A, R23

Heating Element

Nichrome heater

Controller

  • Programmable color LCD touch screen controller
  • PC Link
  • R-232 interface

Temperature Sensor

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

Cooling System

Mechanical compression refrigeration system

Refrigerant

R404A, R23

Air Circulation

Centrifugal wind fan

Safety

  • Humidifier dry-combustion protection
  • Over-temperature protection
  • Over-current protection
  • Refrigerant high-pressure protection
  • Water shortage protection
  • Earth leakage protection

Exterior Material

Steel Plate with protective coating

Interior Material

SUS304 stainless steel

Thermal Insulation

Polyurethane foam

Observation Window

  • Interior lighting
  • Double-layer thermos stability silicone rubber sealing

View Window Size(mm)

250x280

300x330

330x370

Timing Function

0.1~999.9 (second, minute, hour)

Internal Dimension (mm)

400×500×500

500×600×750

700×800×900

800×1000×1000

1000×1000×1000

Overall

Dimension (mm)

860×1050×1620

960×1150×1860

1180×1350×2010

1280×1550×2110

1500×1550×2110

Power Supply

220V 50Hz / 380V 50Hz (110V 60hz option with transformer)

Maximum Noise

65 dBA

Environment Conditions

  • Temperature:5 - 45 ℃
  • Relative humidity: ≤ 85%
  • pressure: 86 - 106Kpa

Space Conditions (mm)

  • Installed on flat floor, with good ventilation.
  • No combustible material, explosive material or strong vibration around
  • No direct sunlight or other heat sources direct radiation.
  • No strong airflow around.
  • No strong electric field around.

 

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