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Dongguan Xiangxing Instrument Co., Ltd

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    15920690173

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    D2-03, 2nd Floor, Juhe Plaza, Zhen'an Road, Chang'an Town, Dongguan City

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Two box thermal shock test chamber

NegotiableUpdate on 01/12
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Overview
Two box thermal shock test chamber
Product Details

Technical parameters of two box thermal shock test chamber:

  • Divided into two parts: high temperature zone and low temperature zone, the test sample is placed in a mobile hanging blue, using a unique heat storage and cold storage structure. The cylinder drives the hanging blue to move up and down in the hot and cold tanks to complete the hot and cold temperature impact test;
  • Test components can be tested by adding load wiring through test holes;
  • Large color LCD touch dialogue microcomputer control system, easy to operate and clear operation status at a glance;
  • Fully enclosed imported compressor+environmentally friendly refrigerant, plate heat exchanger and binary ultra-low temperature refrigeration system;
  • Equipped with LAN network communication interface, it can be connected to a computer for remote control, making it easy to use;
  • Capable of independently setting three different conditions: high temperature, low temperature, and thermal shock. When performing thermal shock conditions, it has the function of a high and low temperature testing machine;
  • It can automatically pre cool, preheat, and standby during the scheduled start-up time operation;
  • Can set the number of cycles and defrosting times, automatic (manual) defrosting;
  • The controller has a user-friendly human-machine interface, convenient program settings, and complete display functions for troubleshooting and troubleshooting.

    purpose
    Suitable for adaptability testing of electronic, electrical products, and other military equipment under rapidly changing ambient temperatures, it is also the best assistant for screening initial failures of electronic components.
    Execution and compliance with standards
    1. GB/T2423.1-1989 Low temperature test methods;
    2. GB/T2423.2-1989 High temperature test method;
    3. GB/T2423.22-1989 Temperature change test;
    4. GJB150.5-86 Temperature shock test;
    5. GJB360.7-87 Temperature shock test;
    6. GJB367.2-87 405 temperature shock test.

    model
    		 LJ-50-2P Slj- 50 - 2 p
    50 80 150 225 50 80 150 225
    ■performance
    Test method Hanging Blue Mobile Switching 2 Greenhouse Modes
    high-temperature chamber Preheating temperature range 60 ～ + 200 ℃
    heating rate RT. →+200 ℃ for approximately 3 5 minutes
    Low temperature chamber Pre cooling temperature range
    -55 ～ -10 ℃
    		 -65 ～ -10 ℃
    Cooling time
    +20 → -55 ℃ for about 60 minutes
    		 +20 → -65 ℃ for about 70 minutes
    Temperature range of laboratory
    -40 － +150 ℃
    		 -55 － +150 ℃
    temperature deviation ±2 ℃
    Temperature recovery time Within 5 minutes
    recovery condition
    		 High temperature exposure Low temperature exposure High temperature exposure Low temperature exposure
    150 ℃: 30 minutes -40 ℃: 30 minutes 150 ℃: 30 minutes -55 ℃: 30 minutes
    ※ 1. The temperature rise and temperature drop are the performance of each constant temperature test chamber when operated separately; two Recovery condition: Room temperature is+20 ℃.
    ■Main parts and structure
    Material Science shell Texture treatment of stainless steel plate or high-quality cold-rolled steel plate by electrostatic spraying
    inner body Stainless steel plate (SUS304)
    adiabatic Polyurethane foam+glass wool
    observation window Internal embedded glass for heating
    cable hole Inner diameter 50
    constitute
    become    		 high-temperature chamber heater Nickel chromium alloy electric heating wire heater, heat storage device
    fan When exposed to high temperature environments, a centrifugal fan is shared, while an axial flow fan is used for preheating
    Low temperature chamber heater Nickel chromium alloy electric heating wire heater
    cooler Finned heat exchanger, cold storage device
    fan centrifugal fan
    driving device Pneumatic cylinder Used for driving various air doors during high temperature, ambient temperature, and low temperature exposure
    air compressor Provide compressed air for driving the hanging blue (optional)
    refrigeration unit Cooling method Mechanical compression binary cascade refrigeration (air-cooled or water-cooled condenser)
    compressor European and American imported fully enclosed or semi enclosed compressors (no noise)
    refrigerant Environmentally friendly refrigerant R-507/R-23
    evaporator Finned heat exchanger
    condenser Stainless steel brazed plate heat exchanger
    ■Temperature Controller
    operating interface 6.4 'TFT color LCD display touch screen, Chinese menu prompt
    Program memory capacity 1000 user programs (customizable and modifiable)
    Setting method touch-sensitive
    Set indication range Time: 1 minute to 99 hours and 59 minutes, cycle: 1 to 999 cycles
    resolution ± 0.1℃
    sensor PT100 platinum resistor
    control method PID control
    operation Planting operation, program operation
    Supplementary functions Timer, over temperature protection, sensor up and down wind selection, power outage protection, alarm recording, test curve recording, test pause, program running time display
    ■Specifications
    Internal dimensions (cm) D 35 40 50 60 35 40 50 60
    W 40 50 60 70 40 50 60 70
    H 35 40 50 60 35 40 50 60
    Dimensions (cm) D 132 147 192 217 132 147 192 217
    W 125 135 155 165 125 135 155 165
    H 157 150 160 170 157 150 160 170
    Internal volume (liters) 50 80 150 250 50 80 150 250
    power supply
    AC 380 ± 10% V 50 ± 0.5 Hz, three-phase four wire+protective earth wire
    Power (kw) 16kw 25kw 30kw 40kw 22kw 30kw 35kw 47kw
    Sample weight 2.5kg 5kg 10kg 15kg 2.5kg 5kg 10kg 15kg
    ■Standard Configuration
    Accumulate 1 timer, 1 lead hole (25 × 100mm elongated hole on the left side of the box), 6 casters, and 4 adjustment feet
    ■safety device
    Leakage circuit breaker, protection device for high and low temperature in the test room (built-in controller), exhaust valve, sample power control terminal, high and low temperature room over temperature protection (built-in controller), compressor over pressure and over temperature protection, water cut-off relay, fan thermal relay, motor temperature switch, motor reverse prevention relay, compressed air pressure switch, fuse.
    ■ Attachment
    Stainless steel shelf cover, 1 cable hole cover, 1 lighting lamp, and 1 set of instruction manual.
    ■Optional accessories
    Temperature recorder, add shelf
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