Electronic Environmental Test Chamber Programmable Two - Zone Thermal Shock Chamber
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Application:
Thermal Shock Chamber is ideally designed for testing most commercial products to see how they withstand drastic temperature changes, a harsh condition that subject a product to the most extreme temperature conditions, instantly.Some times with liquid nitrogen cooling if request more strictly temperature. Thermal shock test is used as a vital method to quality inspection for all types of electronic products, electric appliance, and products from communication, instrument, automobile, plastic, metal, food, chemical, building materials, medical and aerospace industries.And the purpose of testing a product under these circumstances by a thermal shock chamber is to observe changes in the products characteristics and check for failure occurrence of different materials and thermal expansion coefficients. So be sure that these thermal shock chambers are prohibited to flammable explosive easily to volatile substances sample test or storage, corrosive substance sample testing or storage, biological sample test or storage, strong electromagnetic emission source sample test.
Three Zone Thermal Shock Chamber means the chamber consist of high temperature zone, low temperature zone, and testing zone. The test sample is in static mode. While Two Zone Thermal Shock Chamber consist of high temperature zone, low temperature zone only. And the test sample is moving up and down along with the built in air-controlled hanging basket.
Thermal Shock Testing Method This kind of test are required a condition that exposes test
items/products to alternating low and high temperatures to
accelerate failures caused by temperature cycles or thermal shocks
during normal use. And the transition between temperature extremes
occurs very rapidly, often greater than 15 °C/min. Product advantages ●Two boxes type thermal shock chamber meet the MIL, DIN, IEC and
JASO and other test standards. ●Two to provide you with a new hot and cold shock Chamber. ●With 100L, 300L test area and excellent temperature uniformity. ●A uniform temperature stress can be applied to the pattern. ●Can be widely used in research, development to test, production and other fields. Features ●Using two boxes large, shortening the temperature of the sample
recovery time. ●Using two boxes of hair, shortening the test time. ●Which greatly reduces the impact of the test area on the vibration of the sample. ●With room temperature recovery function, you can safely remove the sample after the test. ●It is possible to easily perform a cable wiring work for measuring a sample and an applied voltage. Data Sheet of Thermal Shock Test Chamber
Features: 1.Circulating wind selection: Patio air supply or variable speed
motor 2.Water supply system selection: RO reverse osmosis 3.Polymer membrane / runner dehumidification system 4.LN2/LCO2 5.Ultrasonic cooling humidification system 6.Added glass inner door and hand operated hole 7.Instant access to test data recorder 8.Computer connection operation recording software
Structure technology 1.Company hardware equipment Imports of German laser laser machine 1; Title of the AMADA AIRS-255NT punching and a Taiwan; Germany for all types of carbon dioxide welding machine and argon welding machine more than 10 Autodrsk inventor 3D graphics software, 3D sheet metal demolition and design of virtual assembly. 2.Shell made of high quality galvanized steel, electrostatic powder coating to be paint; 3.The inner box is made of imported SUS # 304 stainless steel, with full welding process to prevent leakage and penetration of high temperature and high humidity air inside the box; inner liner fillet design of inner box can better discharge condensate of side wall. 2.Shell made of high quality galvanized steel, electrostatic powder
coating to be paint; 3.The inner box is made of imported SUS # 304 stainless steel, with full welding process to prevent leakage and penetration of high temperature and high humidity air inside the box; inner liner fillet design of inner box can better discharge condensate of side wall. Refrigeration series of technology 1.standardization 1.1 High-quality steel pipe and welding process standardization; according to the standard tube layout to ensure stable and reliable model system; 1.2 Imports of Italian imports of pipe bending machine the whole bend, a significant reduction in solder joints and welding generated when the pipe oxide, improve system reliability! 2.Pipeline shock and support 2.1 The United States and Tyco on the support of the cooling copper pipe has strict requirements, taking into account the pipeline shock conditions in the cooling pipe to increase the arc and bending the use of special nylon clip fixed way to avoid the circular vibration and temperature changes caused by Pipe deformation and leakage, improve the reliability of the entire refrigeration system. 2.2 No oxidation welding process As we all know, the cleanliness of the refrigeration system is directly related to the efficiency of the refrigeration system and operating life; the United States and Tyco welding operation using standardized to avoid a large number of pipe oxide pollution when welding! Control circuit technology 1. Power distribution layout According to the technical department of the distribution assembly plans to install electrical components used internationally renowned brands: Omron, Schneider, Germany phoenix terminals, line code clearly marked. Selection of the old domestic brand, (Zhujiang cable) to ensure that the quality of the wire; control line minimum 0.75 square RV soft copper wire, all the major load such as motor compressors are based on EC trunking safety current standard trapping trail selection! Compressor cable box cable mouth with sealant processing, to prevent frosting junction box terminal short circuit. All terminal screws are connected to the standard fixed torque, to ensure reliable fastening to prevent loose ignition and other hidden dangers! Refrigeration Technology 3D refrigeration system management drawing Variable Frequency Control Technology of Refrigeration System In the frequency conversion refrigeration system, even if the power frequency 50HZ is fixed, can change the frequency through the frequency changer, thus adjusts the compression rotational speed, causes the cold quantity continuously to change, guarantees the compressor movement load in the test box the actual load to match (namely test body temperature Increase, the compressor frequency to rise, improve the cooling capacity, on the contrary, the compressor frequency to reduce and reduce the cooling capacity) greatly saves the unnecessary loss of operation to achieve energy-saving purposes. In the beginning of the test chamber can also run by increasing the frequency of the compressor to improve the capacity of the cooling system to achieve the purpose of rapid cooling. The chamber adopts frequency conversion refrigeration system, which can precisely control the temperature of the box body, make the temperature of the box body constant, the temperature fluctuation is small, and the suction and discharge pressure of the refrigeration system is stable and the compressor runs stably and reliably. Electronic expansion flow servo. Refrigeration system technology Other energy - saving technologies A) The use of PID + PWM principle VRF technology (electronic expansion valve according to the thermal conditions of flow control) Low-temperature working state, the heater does not participate in the work, through the PID + PWM regulation of the cooling (cooling capacity of the air flow control system); low-temperature working conditions, the use of the principle of PID PID VRF technology (refrigerant flow control) Flow rate and flow direction of the cooling pipe, cold side of the pipeline, heat the next three-way flow pipe to adjust to achieve the work of the temperature is automatically constant, this method in low temperature conditions, the studio can automatically achieve a constant temperature, Low temperature conditions, can achieve a 30% reduction in energy consumption. The technology is based on Danfoss ETS system electronic expansion valve, can be applied to different cooling capacity requirements of the cooling adjustment, both at different cooling rate requirements, to achieve the compressor cooling capacity adjustment. B) the size of two sets of compressor design technology, according to load conditions automatically start and stop (large series is designed) The refrigeration unit is equipped with a set of semi-hermetic compressors composed of binary cascade refrigeration system plus a full-density single-stage refrigeration system. Configure the mother; according to the load conditions inside the box and the cooling rate of intelligence to open the different compressor groups, so that the cooling capacity of the box and the compressor output power to achieve the best match, in order to achieve the best operating conditions in the compressor section circle to Extend the service life of the compressor. More importantly, a large set of traditional design compared to the energy-saving effect is very obvious, you can achieve more than 30% of the temperature control. With VRF technology)
1. Do you offer after-sales service? How can I ask for that? And how about the warranty? We offer complete engeneering and technical support ,prompt emergency service,remote installetion,remote maintenance service and more.We are equipped with over 20 technical and support you.All of the products from MENTEK comes with 12 Month warranty. 2. What’s the delivery term? The products delivered to you within 7 days for our stock items from clearance of payment. It will take 25-to-35 working days for custom made products or equipments that are not available from stock. 3. Do you accept customization service? Can I have my logo on the machine? Yes,all of our product can be customized and if you have requirement of logo, we also can do it for you. Q:How about the packing for machine, is it safely protected during transportation? All of the products from MENTEK,first protected by resin fiber and PP film, then put into Strong wooden case.We can ensure the safety of our products. Q:Can we visit your factory before order? Yes,and we welcome customers to visit our factory. How can I become an overseas agent for your company? Add my Wechat,Whatsapp,Skype +86 15617685848
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