Editorial Technical Reference

Environmental Test Chamber

This page explains how Environmental Test Chamber is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A controlled enclosure used to simulate various environmental conditions for testing products and materials.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Environmental Test Chamber

Definition
An environmental test chamber is a specialized laboratory equipment designed to create and maintain precise environmental conditions such as temperature, humidity, vibration, and other climatic factors to evaluate the performance, reliability, and durability of products, components, and materials under simulated real-world or accelerated stress conditions. The chamber typically features a stainless steel interior (SUS304) and insulated panels to ensure thermal stability and corrosion resistance. It operates within a temperature range of -70 to 150 °C and a relative humidity range of 20 to 98 %RH, with temperature uniformity of ±2.0 °C and temperature fluctuation of ±0.5 °C. The heating rate averages 3.0 °C/min, and the cooling rate averages 2.0 °C/min. The interior volume ranges from 225 to 1000 liters, depending on the test specimen size. Temperature accuracy is ±0.1 °C, and humidity accuracy is ±2.5 %RH within the specified humidity range. The chamber requires a three-phase 380 V AC power supply (50/60 Hz) and consumes between 8 and 15 kW, depending on the model and operating conditions. The weight varies from 300 to 800 kg. The chamber is designed to comply with relevant IEC standards, including IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-78, and IEC 60068-3-5, which serve as procurement and verification references. However, these standards do not imply certification or compliance of any specific unit. For accurate selection and application, it is essential to verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The chamber operates by using a closed-loop control system where sensors monitor internal conditions and feed data to a controller. The controller compares actual values with setpoints and activates appropriate systems (heating, cooling, humidification, dehumidification) to achieve and maintain the desired environmental parameters within the test volume. This ensures that the specified temperature and humidity conditions are maintained consistently throughout the test period, allowing for reliable evaluation of product performance under controlled stress.
Common Materials
Stainless Steel, Insulated Panels
Technical Parameters
ParameterTypical rangeNotes & selection driver
Temperature RangeRequired-70–150 °CMinimum to maximum temperature that can be achieved and maintainedIEC 60068-2-1, IEC 60068-2-2
Humidity RangeRequired20–98 %RHMinimum to maximum relative humidity that can be achieved and maintainedIEC 60068-2-78
Temperature UniformityRequired±2.0 °CMaximum temperature variation within the working volume at steady stateIEC 60068-3-5
Temperature FluctuationRequired±0.5 °CMaximum temperature deviation from setpoint over timeIEC 60068-3-5
Heating RateRequired3.0 °C/minAverage rate of temperature increase from minimum to maximumIEC 60068-3-5
Cooling RateRequired2.0 °C/minAverage rate of temperature decrease from maximum to minimumIEC 60068-3-5
Interior Volume225–1000 LSelect based on test specimen size
Temperature Accuracy±0.1 °CAt sensor; overall system accuracy
Humidity Accuracy±2.5 %RHWithin 20–98 %RH range
Power Supply380 V ACThree-phase, 50/60 Hz
Power Consumption8–15 kWDepends on model and operating conditions
Interior MaterialSUS304Stainless steel; corrosion resistantASTM A240
Weight300–800 kgVaries with chamber size

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Test Chamber
    Insulated enclosure that contains the test specimens and maintains environmental conditions
    Material: Stainless steel interior with insulated walls
  • Temperature Control System
    Heats and cools the chamber interior to achieve desired temperature setpoints
    Material: Electric heaters and refrigeration compressor
  • Humidity Control System
    Adds and removes moisture from the chamber air to achieve desired humidity levels
    Material: Steam generator and dehumidification coil
  • Controller
    Programmable interface for setting test parameters, monitoring conditions, and recording data
    Material: Electronic components with touchscreen display
  • Air Circulation System
    Ensures uniform distribution of temperature and humidity throughout the chamber volume
    Material: Fan and ducting system
  • Observation Window
    Allows visual inspection of test specimens during operation without disturbing conditions
    Material: Multi-pane insulated glass
  • Sensors
    Monitor the internal temperature and humidity and feed the data to the controller.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Environmental Test Chamber.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar
temperature: -70°C to +180°C
cooling rate: 3°C/min
heating rate: 5°C/min
humidity range: 10% to 98% RH
Media Compatibility
✓ Electronic Components ✓ Automotive Parts ✓ Pharmaceutical Products
Unsuitable: Highly Corrosive Chemical Testing
Sizing Data Required
  • Maximum Product Dimensions (LxWxH)
  • Required Temperature Ramp Rates
  • Test Duration and Cycle Requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Temperature control system failure
Cause: Compressor wear from continuous cycling, refrigerant leaks due to vibration-induced joint fatigue, or sensor drift from thermal stress and contamination.
Humidity system malfunction
Cause: Steam generator scaling from hard water deposits, humidifier element corrosion from chemical exposure, or condensation drain blockages from microbial growth and debris accumulation.
Maintenance Indicators
  • Temperature fluctuations exceeding ±1°C of setpoint during stable operation
  • Unusual compressor noises (knocking, grinding) or excessive vibration during cycling
Engineering Tips
  • Implement predictive maintenance with vibration analysis on compressors and motors, and regular calibration of temperature/humidity sensors using NIST-traceable standards
  • Use deionized water in humidity systems to prevent scaling, install pre-filters on intake air, and maintain clean condenser coils with scheduled compressed air or soft brush cleaning

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 17025:2017 - General requirements for the competence of testing and calibration laboratories ASTM E595-15 - Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment IEC 60068-2-1:2007 - Environmental testing - Part 2-1: Tests - Test A: Cold

Quoted from the published standard.

Manufacturing Precision
  • Temperature Uniformity: ±0.5°C across working volume
  • Humidity Control: ±2% RH at specified setpoint
Quality Inspection
  • Temperature and Humidity Calibration Verification
  • Leak Testing for Chamber Integrity

Manufacturers of Environmental Test Chamber

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Yuanyao Technology
Guangdong, CN
ISO 9001:2015
Listed on the company's own website · profile compiled by CNFX from public sources
Ai Si Li (China) Test Equipment Co., Ltd.
Dongguan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Changzhou Jkongmotor Co., Ltd.
Changzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
China Sanwood Environmental Chambers Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Climatest Symor
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Liyi Environmental Technology Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Xinbao Instrument Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Youbi Test Equipment Co.,Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Guangdong Bell Experiment Equipment Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HAIDA
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
LIB Industry
Shaanxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Wewon Environmental Chambers Co. Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Frequently Asked Questions

What are the standard temperature and humidity ranges for this chamber?

The chamber can achieve and maintain temperatures from -70 to 150 °C and relative humidity from 20 to 98 %RH, as listed in the directory reference. Always confirm the exact ranges for the specific model with the manufacturer.

What is the temperature uniformity and fluctuation?

Temperature uniformity is ±2.0 °C and temperature fluctuation is ±0.5 °C, according to the directory reference. These values indicate the maximum variation within the working volume and over time, respectively.

Which standards are referenced for this equipment?

The chamber references IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-78, and IEC 60068-3-5 for temperature and humidity testing. These standards are procurement references and do not guarantee certification of a specific unit.

What are the power requirements?

The chamber requires a three-phase 380 V AC power supply at 50/60 Hz, with power consumption ranging from 8 to 15 kW depending on the model and operating conditions. Verify the exact requirements with the supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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