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MENTEK Low Air Pressure Test Chamber Used In Aviation, Aerospace, Information, Electronics And Other Fields

Dongguan MENTEK Testing Equipment Co.,Ltd

MENTEK Low Air Pressure Test Chamber Used In Aviation, Aerospace, Information, Electronics And Other Fields

Brand Name : MENTEK

Model Number : MTA-125

Certification : CE

Place of Origin : China

MOQ : 1 Unit

Price : negotiable

Payment Terms : L/C, T/T

Supply Ability : 30 sets per month

Delivery Time : 25-35 working days after order confirmed

Packaging Details : First protected by resin fiber and PP film, then put into Strong wooden case

Pressure Range : 11.6kPa-101.3 KPa

Pressure Fluctuation : ≤5%

Material : Stainless Steel Plate SUS304

Temp Range : -70 °C (-94 °F)~150 °C (302 °F)

Power : 380/ 220V AC±10% 50/60Hz

Usage : Used In Aviation, Aerospace, Information, Electronics And Other Fields,

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MENTEK Low Air Pressure Test Chamber Used In Aviation, Aerospace, Information, Electronics And Other Fields
 
 
 
 
 

Application:

 

Low-pressure test chambers are mainly used in aviation, aerospace, information, electronics and other fields to determine the environmental adaptability and reliability tests of instruments, electrical products, materials, parts, and equipment under low pressure, high temperature, low temperature, or both. , And or at the same time energize the test piece to measure the electrical performance parameters. It adopts an integral combined structure. The test box consists of a heat preservation box (pressure-bearing structure) at the front, a refrigeration and vacuum unit at the rear, and a test box at the rear. The electrical controller (system) on the gate is composed.

 

 

Reference standard
GB10590-89 low temperature and low pressure test chamber technical conditions;
GB15091-89 high temperature and low pressure test chamber technical conditions;
GB11159-89 low pressure test chamber technical conditions;
GB/T2423.25-1992 low temperature/low pressure comprehensive test chamber;
GB/T2423 .26-1992 High temperature and low pressure comprehensive test box;
GJB150.2-86 low temperature and low pressure (altitude) test;

 

 

Structural features of test box:

 

1. The test box body is formed by laser processing, which is beautiful and generous in shape, with no reaction handle, and easy to operate.

2. The inner box is made of imported first-class stainless steel (SUS304) mirror plate, while the outer box is made of brushed stainless steel or first-class cold-rolled steel plate, which increases the appearance texture and cleanliness.

3. A large observation window is equipped with a light to keep the inside of the box bright, and the inside situation of the box can be clearly observed at any time by using tempered glass embedded in the heating body.

4. A test hole with a diameter of 50mm is provided on the left side of the box, which can be used for connecting test power cord or signal cable externally.

5. The insulation material is made of high-density glass fiber cotton with a thickness of 100mm.A double layer of high tension and low temperature resistant sealing strip is adopted between the door and the box body to ensure the sealing of the test area.

6. An independent temperature limit alarm system is set up to ensure the safety of the test without accidents when the temperature exceeds the limit and the operation is automatically interrupted.

 

Technical Parameters

 

 

Specifications Model MTA-405
Applicable scope This equipment is used to simulate the reliability and performance evaluation of products at high altitude and low pressure.
Structure part Box Double-sided galvanized steel, surface spray treatment
Inner box Using stainless steel plate SUS304 (size can be customized)
Observation window The door is equipped with a window, a glass window for the multi-layer vacuum glass, with automatic defrost function, the glass surface of the film electronic heating can guarantee any test glass surface frost and condensation
Bear the way The use of high-quality 5mm thick sus304 non-slip stainless steel plate as the pressure within the box, in the box and the outer box asked around the use of steel to strengthen its overall pressure strength design capacity of more than 10t / m. The walls are smooth, smooth, burr and pits, easy to clean, in the course of the use of water will not appear
Technical Parameters display PLC touch screen display
Pressure range 11.6kPa-101.3 kPa
Pressure fluctuation ≤5%
Vacuum Description 1.3Kpa (standard requirements at an altitude of 15240m 11.6Kpa, vacuum table indicates the value of 89.7Kpa)
Note: due to the atmospheric pressure inside the box
Atmospheric pressure: (101.325Kpa), but at this time want to box atmospheric pressure down to (11.6Kpa). According to the standard atmospheric pressure (101.325Kpa) to calculate the box to take away (89.7Kpa) of the pressure, this time is (11.6Kpa) low-pressure environment. Because now the table used to show negative pressure, so the table shows the negative pressure (89.7Kpa), the box there are (11.6Kpa) low pressure.

 

 

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)

 

FAQ

 

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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