Saif high and low temperature box / high and low temperature test box technical parameters

High and low temperature test chamber use:
The high and low temperature test chamber is suitable for testing various performance indexes of electricians, electronic products, aerospace products, auto parts and various electronic components in high temperature and low temperature environment.

High and low temperature test chambers meet the standards:
The high and low temperature test chambers meet the national standards such as GB/T2423.1 low temperature test method, GB/T2423.2 high temperature test method, GB/T10592 high and low temperature test technical conditions.

First, high and low temperature test chamber technical parameters:
1, temperature range: -20 ° C ~ 150 ° C, -40 ° C ~ 150 ° C, -60 ° C ~ 150 ° C, -70 ° C ~ 150 ° C
2. Temperature fluctuation: ≤±0.5°C
3, temperature uniformity: ≤ ± 2 ° C
4, heating rate: 1.0 ~ 3.0 ° C / min
5, cooling rate: 0.7 ~ 1.2 ° C / min
6, time setting range: 0 ~ 9999h
7, the power supply voltage: AC380V/50HZ

Second, high and low temperature test box specifications (unit: mm):
Model GDW-100 Internal dimension D×W×H 450×450×500
Model GDW-225 Inner dimension D×W×H 500×600×750
Model GDW-500 Internal dimension D×W×H 700×800×900
Model GDW-800 Inner dimension D×W×H 800×1000×1000
Model GDW-010 Inner dimension D×W×H 1000×1000×1000

Third, the control system:
1. Adopt full import digital display touch button controller, PID microcomputer SSR temperature controller.
2. The temperature control output power is calculated by the microcomputer to achieve high precision and high efficiency.
3. Accuracy: 0.1, resolution: ±0.1 °C, temperature sensor: PT100 platinum resistance temperature measuring body.
4. The temperature control adopts the same channel coordination control of PID+S.SR system. Heat balance temperature adjustment method.
5. The test chamber has an automatic defrosting device at the return air outlet.

Fourth, the heating system:
1. Adopt far-infrared nickel alloy high-speed heating electric heater.
2, high temperature completely independent system, does not affect high temperature test, low temperature test.

V. Refrigeration system:
1. Compressor: Fully enclosed original French Taikang.
2, cooling mode: single (double) machine cooling.
3. Condensation mode: forced air cooling.
4. Dehumidification adopts the evaporator coil dew point temperature laminar flow contact dehumidification method.
5, solenoid valve, oil separator, drying filter, repair valve, refrigerant flow window, storage tank are imported original parts.

Sixth, the box material:
1. The inner liner is imported high quality mirror stainless steel plate (SUS304).
2. The outer casings are made of high-quality A3 steel plate CNC machine tools, and the surface of the outer casing is sprayed, which is more beautiful and beautiful.
3. The insulation material is made of high-density glass fiber cotton, and the thickness of the insulation cotton is 100mm/120mm.
4. The observation window adopts multi-layer hollow tempered glass, with internal lighting, and the inner glued-type conductive film is heated and defrosted to clearly observe the test process.
5, the temperature cycle system uses a temperature-resistant low-noise air conditioning motor, multi-leaf centrifugal wind wheel.
6. Double-layer high temperature and high resistance sealing strip is used between the door and the box to ensure the sealing of the test area.
7. The bottom of the machine is made of high-quality fixed PU movable wheel for easy movement.
8. One side of the box is equipped with a Φ50mm test hole, which can be used for external test power line or signal line. The increase of the aperture or the number of holes needs to be explained.

Seven, security protection system:
Equipment over-temperature, refrigeration system overload, refrigeration system over-pressure, leakage, water shortage, operation instructions, automatic shutdown after failure alarm and other protection.

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