Guangdong Yuelian Instrument Co., Ltd
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    13794910168
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    Building A, Tongzheng Smart Technology Park, No. 76 Tinghuan Road, Houjie Town, Dongguan City
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QT-91 Three Box Rapid Temperature Change Test Chamber
Application: The rapid temperature change test chamber is suitable for simulating reliability tests of various electrical and electronic products, as
Product details

purpose

The rapid temperature change test chamber is suitable for conducting environmental simulation reliability tests such as high and low temperature constant and gradient, sudden change, and wet heat tests on various electrical and electronic products, as well as other products, components, and materials.

Product Features

  • The three in one design method is convenient to use and does not take up space.
  • Each testing area can individually test three different control conditions: high temperature, low temperature, or constant temperature and humidity.
  • All systems are individually independent: adopting three sets of refrigeration systems, three sets of heating and humidification systems, and three sets of control systems, so the control is stable, accurate, and can extend the service life of the components.
  • Touch based setting method, fully controlled and locked by microcomputer, with PID value automatic calculation function.

Testing standards

  • GB-2423.1-89 (IEC68-2-1) Test A: Low temperature test method
  • GB-2423.2-89 (IEC68-2-2) Test B: High temperature test method
  • GJB360.8-87 (MIL-STD-202F) High Temperature Life Test
  • GJB150.3 (MIL-STD-810D) High temperature test method
  • GJB150.4 (MIL-STD-8101D) Low temperature test method
  • GB2423.3-93 (IEC68-2-3) Test Ca: Constant Damp Heat Test Method
  • GB2423.4-93 (IEC68-2-30) Test Db: Alternating Damp Heat Test Method
  • GJB150.9-93 (MIL-STD-810D) Wet Heat Test Method

Technical Parameter

model QT-91
Box size inside a single box W450 * H450 * D450mm (width * height * depth)
machine overall size W1300 * H1950 * D1150mm (width * height * depth)
Temperature box cooling mode water-cooling
temperature range Temperature controllable range -40 ℃ to+150 ℃
Humidity range 20%RH-98%RH
Temperature/humidity fluctuation Temperature: ± 0.5 ℃ Humidity: ± 2.0% RH
Temperature/humidity deviation Temperature: ≤± 2 ℃ Humidity: A)>75% RH: ≤+2, -3% RH, B)<75% RH: ≤± 5% RH
heating rate 5 ℃/min, 10 ℃/min, 15 ℃/min (standard load 5-30kg aluminum ingot)
cooling rate 5 ℃/min, 10 ℃/min (standard load 5-30kg aluminum ingot)
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Successful operation!

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