Low pressure test chamber /Low air pressure test chamber
Low-pressure testing is mainly used in aviation, aerospace, information, electronics and other fields, to determine the instrumentation, electrical products, materials, parts, equipment in low pressure, high temperature, low temperature single or simultaneous action of the environmental adaptability and reliability test, and or at the same time the test piece is energized for the measurement of electrical performance parameters.
- Product Details
First, the use: the plateau low pressure environment simulation test chamber is mainly used in aviation, aerospace, electronics, national defense, scientific research and other industrial sectors to determine the electrical and electronic technology products (including components, materials and instrumentation). In the high and low temperature low air pressure single or simultaneous action, storage and transportation reliability test, and can simultaneously test the electrical performance parameters of the test piece energized.
Second, the standard based on.
ASTM D4169，SCHEDULEI；“Specification for performance testing of shipping containers and equipment”
ASTM D6653"Standard Test Method for Determining the Effects of High Altitude on Packaging Systems by Vacuum Method"
Third, the main technical parameters.
1. Specifications: HYLA-12
2. Inner box size: 150 liters, 225 liters, 408 liters, 800 liters, 1000 liters
3. pressure deviation: atmospheric pressure ~ 40Kp: ±1.8Kpa; 40Kp ~ 4Kpa: ±4.5%; 4Kp ~ 0.5KPa: ±0.1Kpa
4. temperature range: B:-20℃～150℃ C:-40℃～150℃
5. Pressure range: Normal pressure～0.5kPa
6. Pressure drop time: ≤ 45min (atmospheric pressure ~ 0.5kPa)
7. temperature fluctuation: ± 0.5 ℃ (atmospheric pressure, no load)
8 temperature uniformity: ≤ ± 2 ℃ (atmospheric pressure, no load)
9 temperature deviation: ≤ ± 3 ℃ (atmospheric pressure, no load)
10. temperature rise rate: 1.0 ~ 3.0 ℃ / min
11. cooling rate: 0.7 ~ 1.0 ℃ / min
12. Control system: color LCD touch screen
13. accuracy range: setting accuracy: temperature ± 0.1 ℃, indication accuracy: temperature ± 0.1 ℃, resolution: ± 0.1 ℃
14 temperature sensor: platinum resistance PT100Ω / MV
15. pressure sensor: electronic pressure transmitter
16 heating system: fully independent system, nickel-chromium alloy electric heating type heater
17 refrigeration system: the original French imports of Taikang fully enclosed air-cooled single-stage / compound compressor refrigeration
18 circulation system: temperature-resistant low-noise air-conditioning type motor. Multi-lobe centrifugal wind wheel
19 materials: the outer box material high-quality carbon steel plate. Phosphate electrostatic spraying treatment / SUS304 stainless steel matte lines hairline treatment
20. Inner box material: SUS304 stainless steel quality mirror light plate
21 thermal insulation material: polyurethane rigid foam, ultra-fine glass fiber cotton
22 door frame insulation: double-layer high and low temperature aging silicone rubber door sealing strip
23 safety protection: with leakage, short circuit, over temperature, motor overheating, compressor over pressure, overload, over current protection
24 Timing function: 0.1 ~ 999.9 (H, M, S) adjustable
25 power supply voltage: AC380V±10% 50±0.5Hz three-phase five-wire system
26. ambient temperature: 5 ℃ ~ +30 ℃ ≤85% R.H
