Sinuo Testing Equipment Co. , Limited
| External Size | 1280*2150*2050 mm |
| Packaging Details | Plywood Case |
| Heating Rate | ≧2-3°C/min |
| Supply Ability | 10 sets per month |
| Inner Size | 1000*1000*1000 mm |
| Humidity Range | 20%～98%RH |
| Payment Terms | T/T |
| Cooling Rate | ≧1°C/min, average no load |
| Delivery Time | 30 Days |
| Temperature Range | -70 °C ~+150°C |
| Model Number | SN881-1000L |
| Brand Name | Sinuo |
| Place of Origin | China |
| Certification | Calibration Certificate (Cost Additional) |
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Product Specification
| External Size | 1280*2150*2050 mm | Packaging Details | Plywood Case |
| Heating Rate | ≧2-3°C/min | Supply Ability | 10 sets per month |
| Inner Size | 1000*1000*1000 mm | Humidity Range | 20%～98%RH |
| Payment Terms | T/T | Cooling Rate | ≧1°C/min, average no load |
| Delivery Time | 30 Days | Temperature Range | -70 °C ~+150°C |
| Model Number | SN881-1000L | Brand Name | Sinuo |
| Place of Origin | China | Certification | Calibration Certificate (Cost Additional) |
| High Light | -70°C to +150°C Temperature Humidity Test Chamber ，20% to 98%RH Environmental Test Chamber ，1000×1000×1000 mm Climate Test Chamber | ||
The Temperature Humidity Test Chamber is designed for environmental reliability testing of electronic components, electrical products, appliances, plastics, raw materials and other industrial products.
It provides controlled high-temperature, low-temperature and humidity test conditions to evaluate product performance and reliability during storage, transportation and environmental exposure. With a programmable temperature and humidity control system, the chamber can perform both constant and cyclic environmental tests.
The chamber is suitable for applications such as cold testing, dry heat testing, steady-state damp heat testing and cyclic damp heat testing, making it a practical solution for product development, quality control, reliability laboratories and compliance testing.
The environmental chamber is designed for testing methods specified in the following IEC 60068 environmental testing standards:
| Standard | Test Method | Application |
|---|---|---|
| IEC 60068-2-1:2007 | Test A – Cold | Low-temperature environmental testing |
| IEC 60068-2-2:2007 | Test B – Dry Heat | High-temperature dry heat testing |
| IEC 60068-2-30:2005 | Test Db – Damp Heat, Cyclic | Cyclic temperature and humidity testing |
| IEC 60068-2-78:2012 | Test Cab – Damp Heat, Steady State | Constant humidity environmental testing |
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Control & Operation |
PLC and touch screen intelligent control system |
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Chamber Size |
Inner Size |
External Size |
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1000*1000*1000 mm |
1280*2150*2050 mm |
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Temperature Range |
-70 °C ~+150°C |
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Humidity Range |
20%～98%RH
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Temperature fluctuation |
±0.5℃ |
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Humidity fluctuation |
≤2.5% |
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Temperature deviation |
≤±2.0℃ |
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Humidity Deviation |
≤±3% |
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Heating Rate |
≧2-3°C/min |
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Cooling Rate |
≧1°C/min, average no load |
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Load condition |
None |
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Working noise |
A sound level≤70dB(A) (Measured in a soundproof room with an ambient temperature of 25°C and low echo. Using A weighting, test the average of 9 points. Each test point is 1 meter away from the noise source horizontally and 1 meter above the ground.) |
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Structural features |
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Insulation enclosure structure |
1. Outer wall material: A3 board spraying. 2. Inner wall material: brushed stainless steel plate SUS﹟304. 3. Chamber thermal insulation material: 100mm high temperature resistant rigid polyurethane foam. 4. Chamber door insulation material: 100mm high temperature resistant rigid polyurethane foam. |
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Bottom structure strength |
The weight capacity of the track at the bottom of the test chamber: ≤100Kg/m² (load) |
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Air conditioning channel |
1. Stainless steel long-axis centrifugal fans: 2 sets/90W. 2. Fan, heater, evaporator (also dehumidifier), drainage device, pressure balance port, adjustable air deflector, temperature sensor |
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Standard configuration of test chamber |
1. Observation window: 400x600x40mm 3-layer vacuum tempered glass 2. Flat embedded handles 3. Door hinges: SUS #304 imported hinges 4. Energy-saving lamp inside the chamber 5. Lead hole: φ50mm 1 piece |
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Chamber door |
1. The single-piece door opens outwards, with the hinge on the left and the handle on the right (when facing the front of the box). 2. Equipped with a safety door locking mechanism (the door can be opened in the test room), the door is equipped with electric heat to prevent condensation, and the visible range of the insulating glass observation window (W400×H600mm). The door frame is equipped with an anti-condensation electric heating device. |
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Control panel |
Controller 7-inch display screen, temperature (humidity) control display screen, operating indicator light, and lighting button. |
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Mechanical room |
Refrigeration unit, compressor water tray, pressure relief device, heating device |
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Power distribution cabinet |
Distribution board, cooling fan, main power switch, transformer, intermediate relay, time relay, solid-state relay, AC contactor, circuit breaker |
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Heater |
1. Fin-type radiator-shaped stainless steel electric heater 2. Heating control method: SSR (Solid State Relay) non-contact equal period pulse width modulation 3. Heating power: approximately 4KW |
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Power cable hole |
Located on the back of the chamber |
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The controller allows users to create complex temperature and humidity profiles for reliability testing.
The system can display:
The programmable system supports repeated test cycles and automatic continuation after power recovery, helping simplify automated environmental testing for laboratories and production quality-control departments.
The chamber uses an air-cooled mechanical compression refrigeration system designed for low-temperature environmental testing.
| Refrigeration Component | Configuration |
|---|---|
| Refrigeration Mode | Air-cooled mechanical compression |
| Compressor | Hitachi low-temperature scroll compressor |
| Compressor Configuration | 3 HP × 2 |
| Refrigerant | R404A |
| Condenser | AC&R aluminum fin condenser |
| Evaporator | Customized heat exchanger |
| Heat Exchanger | High-efficiency SWEP type design |
| Refrigeration Control | Automatic cooling-capacity adjustment |
| Expansion System | Capacity-controlled refrigeration system |
| Evaporative Condenser | Copper-tube heat exchanger |
| Pressure Control | Evaporation pressure regulating valve |
| Return Air | Compressor return-air cooling circuit |
The refrigeration system automatically adjusts cooling capacity according to the programmed test conditions. This helps maintain stable environmental conditions while reducing unnecessary energy consumption during operation.
The heating system uses a fin-type stainless-steel electric heater with solid-state control.
| Parameter | Specification |
|---|---|
| Heater Type | Fin-type stainless-steel electric heater |
| Heating Capacity | Approx. 4 kW |
| Control Method | SSR non-contact pulse-width modulation |
| Temperature Control | PID-based intelligent control |
The heating and cooling systems work together with the humidity control system to provide controlled temperature cycling and climatic test conditions.
The chamber uses stainless-steel long-axis centrifugal fans to circulate conditioned air throughout the working space. The airflow system is designed to promote uniform distribution of temperature and humidity inside the test chamber.
| Component | Specification |
|---|---|
| Circulation Fan | Stainless-steel long-axis centrifugal fan |
| Quantity | 2 sets |
| Fan Power | 90 W each |
| Airflow Components | Fan, heater, evaporator, dehumidification system, drainage system |
| Airflow Adjustment | Adjustable air deflector |
| Temperature Monitoring | Temperature sensor |
Company Details
Business Type:
Manufacturer
Year Established:
2019
Employee Number:
<100
Ecer Certification：
Verified Supplier
Sinuo Testing Equipment Co., Limited established in 2019, but Sinuo has rich experience in manufacturing test euipment, test system and offering overall laboratory construction of electronic and electrical products. Sinuo's main products include electrical vehicle test equipment, battery tes... Sinuo Testing Equipment Co., Limited established in 2019, but Sinuo has rich experience in manufacturing test euipment, test system and offering overall laboratory construction of electronic and electrical products. Sinuo's main products include electrical vehicle test equipment, battery tes...
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