Home > Products > Temp Humidity Chamber > High Low Constant Temperature Programmable Alternating Humidity and Heat Test Box
High Low Constant Temperature Programmable Alternating Humidity and Heat Test Box
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Product Description
Product Description
Temperature chamber application
The simulated products are tested under the combination of temperature and humidity in the climatic environment (high and low temperature operation & storage, temperature cycle, high temperature and high humidity, low temperature and low humidity, condensation test, etc.) to check whether the adaptability and characteristics of the product itself change.
Must meet the requirements of international standards (IEC, JIS, GB, MIL...) to achieve international measurement procedure consistency (including test procedures, conditions, methods)
Test limit
This test equipment is suitable for:
Electrical, electronic products, components, components and materials are stored in high and low temperature environments
Adaptability tests for storage, transportation and use.
This test equipment is prohibited:
Testing or storage of easy fire, explosive, volatile materials
Testing or storage of corrosive substance samples
Testing or storage of biological samples
Testing or storage of samples of strong electromagnetic emission sources
Volume, size and weight
| Size(cm) | HJ-6 | HJ-8 | HJ-12 | HJ-16 | HJ-20 | HJ-24 | HJ-28 |
| Inner box (D*H*W) | 200*200*150 | 200*200*200 | 200*200*300 | 200*200*400 | 200*200*500 | 200*200*600 | 200*200*700 |
| Outer box (D*H*W) | 220*250*270 | 220*250*320 | 220*250*420 | 220*250*520 | 220*250*620 | 220*250*720 | 220*250*720 |
| Performance | |
| Test environmental conditions | The ambient temperature is +25 ° C, the relative humidity is ≤ 85%, and there is no sample in the test chamber. |
| High temperature range | 85°C(150°C) |
| Low temperature range | A: +25 °C B:0°C C:-20°C :-40°C E:-60°C F:-70°C) |
| Humidity range | 30-80%(Customize 10% - 98%) |
| Temperature fluctuation | ±0.5°C |
| Temperature distribution accuracy | ±2.0°C |
| Humidity fluctuation | ±5% R.H. (damp heat only) |
| Humidity distribution accuracy | ±5.0%. (damp heat only) |
| Load situation | The test space is no more than three-quarters of the total space and there is no heat. |
| testing method | GB/T 5170.2-1996 temperature test equipment |
| GB/T 5170.5-1996 Damp heat test equipment (damp heat type only) |
Structure1.Thermal insulation structure
Outer wall material: high quality stainless steel 304 / cold rolled steel plate painting
Inner wall material: high quality stainless steel 304
Box insulation material: flame retardant fireproof rigid polyurethane foam
Door insulation material: flame retardant fireproof rigid polyurethane foam.
2.Air conditioning channel
Centrifugal fan, return air mode: air blow on equipment, return air
Heater, evaporator, water supply and drain, temperature sensor.
Centrifugal fan, return air mode: air blow on equipment, return air
Heater, evaporator, water supply and drain, temperature sensor.
3.Test box standard configuration
Window 250x320x40mm 3-layer vacuum layer
Explosive handle
Door hinge: SUS #304
Box light PL light 11W
Lead hole: φ50mm 1
Window 250x320x40mm 3-layer vacuum layer
Explosive handle
Door hinge: SUS #304
Box light PL light 11W
Lead hole: φ50mm 1
4.Door
Single door, left open, handle on the right hand side. With observation window 250*320 mm, lighting,
Window frame/door frame anti-condensation electric heating device
5. Control panel Controller display, over temperature protection setter
6. Mechanical room Refrigeration unit, water tray, drain hole
7. Distribution control cabinet, distribution board, exhaust fan
8. Heater Heating system: finned heat pipe type stainless steel electric heater heating air circulation mode
9. Humidifier Boiler type humidification system, circulating through the air duct system.
10. Power cable hole and drain hole are located on the back of the cabinet
Single door, left open, handle on the right hand side. With observation window 250*320 mm, lighting,
Window frame/door frame anti-condensation electric heating device
5. Control panel Controller display, over temperature protection setter
6. Mechanical room Refrigeration unit, water tray, drain hole
7. Distribution control cabinet, distribution board, exhaust fan
8. Heater Heating system: finned heat pipe type stainless steel electric heater heating air circulation mode
9. Humidifier Boiler type humidification system, circulating through the air duct system.
10. Power cable hole and drain hole are located on the back of the cabinet
Cooling System
1.Condenser Water-cooled shell tube heat exchanger.
2. Expansion system Refrigeration system (capillary) for capacity control.
3. Evaporation condenser Stainless steel brazed plate heat exchanger.
4. Refrigerator control mode The controller of the control system automatically adjusts the operating conditions of the refrigerator according to the test conditions.
Evaporate the pressure regulating valve.
Compressor return air cooling circuit.
5. Temperature and humidity controller
It adopts the micro-computer color LCD display touch screen, Chinese wide angle of view, high contrast function temperature and humidity can be programmed at the same time, with 100 groups of programs 1000 segments of memory, each segment 530Hour59Min, can be arbitrarily divided Settings, and With multiple sets of PID control functions.
6. Controller Specifications
Accuracy: temperature ±0.1 °C+1 digit, humidity ±1% R.H+1digit
Resolution: temperature ± 0.01 ° C, humidity ± 0.1% R. H.
Temperature slope: 0.1 ~ 9.9 can be set.
With upper and lower limit standby and alarm function.
Temperature and humidity input signal dry and wet ball PT100x2.
7 sets of P.I.D control parameter settings, P.I.D automatic calculation.
Dry and wet balls are automatically corrected.
1.Condenser Water-cooled shell tube heat exchanger.
2. Expansion system Refrigeration system (capillary) for capacity control.
3. Evaporation condenser Stainless steel brazed plate heat exchanger.
4. Refrigerator control mode The controller of the control system automatically adjusts the operating conditions of the refrigerator according to the test conditions.
Evaporate the pressure regulating valve.
Compressor return air cooling circuit.
5. Temperature and humidity controller
It adopts the micro-computer color LCD display touch screen, Chinese wide angle of view, high contrast function temperature and humidity can be programmed at the same time, with 100 groups of programs 1000 segments of memory, each segment 530Hour59Min, can be arbitrarily divided Settings, and With multiple sets of PID control functions.
6. Controller Specifications
Accuracy: temperature ±0.1 °C+1 digit, humidity ±1% R.H+1digit
Resolution: temperature ± 0.01 ° C, humidity ± 0.1% R. H.
Temperature slope: 0.1 ~ 9.9 can be set.
With upper and lower limit standby and alarm function.
Temperature and humidity input signal dry and wet ball PT100x2.
7 sets of P.I.D control parameter settings, P.I.D automatic calculation.
Dry and wet balls are automatically corrected.
Safety device
Cooling System
Compressor overheating
Compressor overcurrent
Compressor overpressure
Condensing fan overheating
Compressor oil pressure protection
Cooling System
Compressor overheating
Compressor overcurrent
Compressor overpressure
Condensing fan overheating
Compressor oil pressure protection
Installation site
The floor is flat and well ventilated
No strong vibration around the device
No strong electromagnetic field around the device
No easy fire, explosive, corrosive substances and dust around the equipment
Appropriate use and maintenance space is left around the equipment, as shown below:
A: not less than 10cm
B: not less than 60cm
C: not less than 60cm
D: not less than 120cm
The floor is flat and well ventilated
No strong vibration around the device
No strong electromagnetic field around the device
No easy fire, explosive, corrosive substances and dust around the equipment
Appropriate use and maintenance space is left around the equipment, as shown below:
A: not less than 10cm
B: not less than 60cm
C: not less than 60cm
D: not less than 120cm
Tap water
(only for wet heat equipment with water purifier)
Flow rate ≥200kg/h,
The pressure is 0.1 MPa to 0.25 MPa.
Tap water meets the sanitary standards for drinking water in GB 5749-1985.
Note: DN15 male connector for pure water machine.
(only for wet heat equipment with water purifier)
Flow rate ≥200kg/h,
The pressure is 0.1 MPa to 0.25 MPa.
Tap water meets the sanitary standards for drinking water in GB 5749-1985.
Note: DN15 male connector for pure water machine.
Packaging & Shipping
Company Information
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- Dongguan Hongjin Test Instrument Co., Ltd.
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