Temperature Humidity Test Chamber

The Temperature Humidity Test Chamber is suitable for environmental simulation testing under specified conditions. It can provide constant or alternating changes in both temperature and humidity. It is widely used to evaluate the performance, durability, and quality stability of samples in research, manufacturing, and testing applications.

Key Specifications

Temperature Range: Configurable per model and test requirements.
Chamber Volume: Multiple sizes for different samples and capacities.
Controller: User-friendly system for stable and precise operation.
Power Supply: Standard or customized to local electrical standards.

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Product Details
Technical Specifications
Key Advantages
Applications
FAQs

Product Details

Test port

Control panel

Sealing structure (dual O-rings)

Internal airflow duct

Internal structure diagram 1

Internal structure diagram 2

Internal chamber humidification

Sample rack (shelf)

Technical Specifications

Model		GD(J)S－100	GD(J)S－225	GD(J)S－500	GD(J)S－010	GD(J)S－013
Inner Chamber Size D×W×H		450×450×500	500×600×750	700×800×900	1000×1000×1000	1000×1000×1300
Overall Dimension D×W×H		1080×880×1460	1150×1080×1690	1450×1280×1930	1650×1480×2030	1650×1480×2350
Performance Index	Temperature Range	A: -20℃～150℃; B: -40℃～150℃; C: -60℃～150℃; D: -70℃～150℃
	Humidity Range	20～98%RH
	Temperature Fluctuation / Uniformity	≤±0.5℃ / ≤±2℃
	Humidity Deviation	+2, -3%RH
	Heating Time	Approx.35min (-20℃→100℃) / Approx.45min (-40℃→100℃) / Approx.55min (-70℃→100℃)
	Cooling Time	Approx.50min (20℃→-40℃) / Approx.65min (25℃→-60℃) / Approx.80min (25℃→-70℃)
Temperature & Humidity Operation Control System	Controller	Import programmable touch screen with Chinese dialogue display, microcomputer integrated controller, equipped with RS232/485 remote communication
	Precision Parameter	Setting precision: Temp ±0.1℃, Humidity ±0.1%RH; Indication precision: Temp ±0.1℃, Humidity ±0.1%RH
	Temperature & Humidity Sensor	Platinum Resistance PT100Ω/MV
	Heating System	Independent system, nickel-chromium alloy electric heater
	Humidifying System	External isolated fully stainless steel surface evaporative humidifier
	Dehumidifying System	Evaporator coil dew point temperature laminar contact dehumidification mode
	Water Supply System	Automatic humidification water supply, residual water recyclable, water & energy saving
	Refrigeration System	Full closed air-cooled single-stage compression / Original French Tecumseh full closed air-cooled dual-stage compression refrigeration
	Circulation System	Low-temperature resistant low-noise air conditioning motor, multi-blade centrifugal wind wheel
Construction Materials	Outer Cabinet Material	Galvanized steel plate with phosphating electrostatic plastic spraying / SUS stainless steel wire drawing finish
	Inner Chamber Material	SUS304 stainless steel plate
	Thermal Insulation Material	Polyurethane rigid foam / superfine glass fiber cotton
	Door Frame Heat Insulation	Double-layer high & low temperature aging resistant silicone rubber sealing strip
Standard Configuration		1 set multi-layer heating defrost lighting observation window, 2 sample racks, 1 test wire hole (25, 50mm)
Protection System		Leakage, short circuit, over temperature, water shortage, motor overheat, compressor overpressure, overload & overcurrent protection / controller power-off memory
Power Supply Voltage		AC380V±10% 50±0.5HZ Three-phase five-wire system
Ambient Operating Temperature		5℃～+30℃ ≤85%RH

Product Features

Stable Performance
The equipment is designed for dependable operation and repeatable testing performance.
Accurate Temperature / Humidity Control
The control system helps maintain stable testing conditions for more accurate verification.
Durable Structure
The chamber structure is designed for long-term use in laboratory and industrial environments.
Easy Operation
User-friendly control and accessible design make daily operation and maintenance easier.
Support Customization
Standard models and customized solutions are both available for different project requirements.

Configuration Options

Standard Configuration

Standard Controller:
Standard configuration includes a practical controller for daily testing operation.
Standard Observation Window:
Observation window is available on selected models for convenient monitoring.
Standard Test Port:
Test port can be included for cable routing or sample monitoring when required.

Optional Configuration

Data Logger:
Optional data logging is available for test data recording and management.
Communication Port:
The USB and RS485/232 communication interfaces facilitate data transmission or remote connection.
Customized Size:
Chamber dimensions can be customized for different sample sizes and capacities.
Non-standard Design:
Non-standard structure design is available for special testing applications.

Applications

Electronics & ElectricalSuitable for performance and reliability testing of electronic and electrical products.

Metal & Surface TreatmentApplicable to corrosion resistance, durability, or aging evaluation of metal parts and coatings.

AutomotiveUsed for environmental durability and quality verification of automotive components.

Plastics & RubberHelps evaluate the stability and environmental resistance of plastic and rubber materials.

Laboratory TestingWidely used in laboratories for research validation, quality control, and test development.

FAQs- Temperature Humidity Test Chamber

Can the samples placed inside the chamber fill the entire workspace?

No. To ensure smooth airflow circulation, the total volume of the test samples should generally not exceed one-third of the chamber's effective working volume. Overloading the chamber obstructs air convection and creates temperature "dead zones," which can prevent the temperature and humidity from reaching set levels or result in inaccurate test data.

Are there any specific precautions for daily use?

The humidification water tank and piping must be inspected and cleaned regularly to prevent clogging caused by limescale buildup. Frequent opening of the chamber door during testing is strictly prohibited to avoid drastic fluctuations in temperature and humidity. Additionally, ensure the water used is pure to prevent impurities from affecting the lifespan of the humidification system.

Are there strict limits on the laboratory's ambient temperature and humidity?

Yes, there are strict requirements. The laboratory's ambient temperature should be maintained between 5°C and 35°C (with an optimal operating range of 20°C–25°C), and relative humidity should be kept below 85%. Excessively high ambient temperatures or poor ventilation can cause high pressure on the refrigeration system's high-pressure side, while excessive humidity can lead to short circuits in electrical components due to moisture or rusting of metal parts.

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