Walk-In Constant Temperature And Constant Humidity / High And Low
Temperature Laboratory 30%～98%RH Auto Parts Test Equipment
Products Introduction:
It is suitable for high and low temperature and humid heat test of
electrician, electronics, machinery and large parts, semi-finished
products and finished products.Test the quality and reliability of
the products and parts under the simulated temperature and humidity
changes.
Meet the standards:
Gb10589-89 Low temperature test box technical conditions;Auto Parts Test Equipment
Gb10592-89 High and low temperature test box technical conditions;
Gb10586-89 Humidity and heat test chamber technical conditions;
Gb11158-89 High temperature test box technical conditions;Auto Parts Test Equipment
Gb2423.1-89 Basic test specification for electrical and electronic
products Test A: Low temperature test method;
Gb2423.2-89 Basic test specification for electrical and electronic
products Test B: High temperature test method;
Gb2423.3-91 Basic test procedures for electrical and electronic
products test Ca: Constant damp heat test method;
Gb2423.4-89 Basic test specification for electrical and electronic
products Test Db: Alternating damp heat test method;
Gb2423.22-87 Basic test specification for electrical and electronic
products Test N: Temperature change test method;
Gb2424.1-89 Basic environmental testing procedures for electrical
and electronic products Test Db: Guidelines for high and low
temperature tests;
GB/T5170.2-1996 Verification method of basic parameters of
environmental testing equipment for electrical and electronic
products.Temperature test equipment.Auto Parts Test Equipment
GB/T5170.5-1996 Verification method of basic parameters of
environmental testing equipment for electrical and electronic
products.Humid heat test equipment.
Parameters:
| Standard volume (m3) | 8 | 12 | 20 | 50 |
| Internal chamber size (W * H * D) m | 2×2×2 | 3×2×2 | 4×4×5 | 5×2×5 |
| Temperature range | Maximum test temperature: 80℃, 120℃; minimum test temperature:
-60℃, -40℃, -20℃, 0℃ |
| Humidity range | 30%～98%RH |
| Temperature deviation | <±2℃ |
| Temperature uniformity | ±2℃ |
| Temperature fluctuation | ±0.5℃ |
| Humidity deviation | ±5.0％RH |
| Heating rate | 2.5 ° C/min (non-linear, no-load) |
| Cooling rate | The average value was 1.0℃ / min. |
| Inner box material | SUS304 stainless steel plate |
| Outer box material | A3 Cold-rolled steel sheet electrostatic double-sided injection
molding / SUS304 stainless steel. |
| Heat insulation material | Hard matter polyurethane foaming. |
| Refrigeration method | Water cooled (Adopt Bitzer fully closed compressor or Bock
semi-sealing compressor from Germany). |
| Cryogen | R404a,R23 |
| Temperature and humidity sensor | Class A PT100 Platinum resistance. |
| Heater | Nickel-chromium alloy electric heating type heater. |
| Humidifier | Apply the external humidification mode. |
| Supply source | 380V±10%V；50Hz； Auto Parts Test Equipment |
| Protection system | Power supply phase deficiency and phase sequence error protection,
water shortage automatic alarm protection, leakage protection,
heater overtemperature protection, heater short-circuit and other
overcurrent protection. |
| Installation environment | Temperature: 0℃ ~35℃, relative humidity: 85%, air pressure:
86kPA~106kPa |
| The installation site shall be flat, well ventilated and no strong
vibration around the equipment. |
| There is no strong electromagnetic field influence around the
equipment, no flammable, explosive, corrosive substances and dust
around the equipment. |
| Proper use and maintenance space remains around the equipment. |
