Beijing Zhongke Environmental Testing Instrument Co., Ltd
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Desktop high-temperature aging test chamber/Desktop ventilation aging test chamber/1-year warranty/lifetime maintenance
Desktop high-temperature aging test chamber/Desktop ventilation aging test chamber/1-year warranty/lifetime maintenance
Product details

Desktop high-temperature aging test chamber/Desktop ventilation aging test chamber/1-year warranty/lifetime maintenance

Product specifications and models

product name LH-100 LH-225 LH-500 LH-800 LH-010
Internal dimensions D × W × H 450×450×500 500×600×750 700×800×900 800×1000×1000 1000×1000×1000
temperature range RT+10 ℃~200 ℃, 250 ℃, 300 ℃
temperature fluctuation ≤±0.5℃
temperature uniformity ≤±2℃
Temperature deviation ≤±1.5℃
Air exchange rate 3-100 times/h
Ventilation time 1 minute to 99 hours
Ventilation method Instrument controlled automatic ventilation
Circulation mode Forced circulation mode of centrifugal fan
Time setting range 0-9999 hours
Power requirements AC220(±10%)V/50HZ AC380(±10%)V/50HZ
Sample area (optional) Turntable, partition, extension fixture (to be specified when ordering)

1、 Product Usage: This product is suitable for heat resistance testing of electrical insulation materials, air exchange aging performance testing of electronic components, plasticized products, and rubber products.

2、 Compliant with standards:
GB/T18244-2000 Aging test method for building waterproofing materials
GB/T3512-2014 Rubber, vulcanized or thermoplastic - Accelerated aging and heat resistance test in hot air
GB/T7141-2008 Plastic Thermal Aging Test Method;
GBT2951.21-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Cables Part 21 Special Test Methods for Elastomeric Mixtures Thermal Extension Test

Desktop high-temperature aging test chamber/Desktop ventilation aging test chamber/1-year warranty/lifetime maintenance

3、 Box material:
1. The shell is processed and formed using high-quality A3 steel plate CNC machine tools, and the surface of the shell is treated with anti-static spray coating, making it more smooth and beautiful;
2. The inner liner is made of high-quality SUS304 mirror stainless steel plate;
3. The insulation material is high-density glass fiber cotton with a thickness of 100mm;
4. The circulating fan adopts a specially designed air conditioner long shaft type, low-noise, long-life motor, and stainless steel axial flow circulating fan blades;

4、 Control system:
1. The instrument adopts imported dual digit microcomputer PID and At self-tuning high-precision temperature control instrument;
2. Temperature sensor with an accuracy of ± 0.1 ℃, PT100 platinum resistance thermometer with a sampling period of 0.01ms;
3. Ventilation control is automatic instrument control rather than natural ventilation;
4. During automatic ventilation, the instrument sets the ventilation frequency, ventilation time, and stop time to control the driver to open and close the ventilation valve port;
5. The top of the box is equipped with a ventilation outlet, which can be pre adjusted in size;
6. The panel control surface is equipped with ventilation operation display and stop display;
7. Safety protection system: The test chamber is equipped with over temperature, timed, overload protection, and fan overheating protection;

5、 Heating system:
1. Adopt far-infrared nickel alloy high-speed heating electric heater;
2. High temperature and completely independent ventilation system;
3. The temperature control output power is calculated by a microcomputer to achieve high-precision and high-efficiency electricity efficiency;

6、 Protection system:
1. Non fuse protection switch
2. Box overheating protection
3. End of experiment indication
4. Overload and leakage protection include automatic shutdown

7、 Equipment usage conditions:
1. Environmental temperature: 5 ℃ to+28 ℃ (average temperature within 24 hours ≤ 28 ℃)
2. Environmental humidity: ≤ 85%R.H
3. The operating environment requires good indoor ventilation, and no objects should be placed 80 centimeters in front, back, left, right, or right of the machine;

Service commitment: Free home delivery. After the installation and debugging of the equipment is completed, relevant technical personnel will receive free operation training at the user's site, with no limit on the number of people.

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