Environmental Test Chamber

Combined temperature and humidity testing chambers

Temperature Humidity Test Chamber

The purpose of humidity temperature chambers is to create artificial conditions inside a controlled cabinet and test effects on product samples. These chambers are used by semiconductor, automobile, cement, food and pharmaceutical companies to test their samples at various temperatures and humidity ranges (damp and heat test) before launching their final products.

We are ISO and CE certified Temperature and Humidity test chamber manufacturers in India. Our humidity chambers are available in benchtop, medium and large sizes with features of high accurate and uniform readings, rugged construction and easy operation. Standard humidity chambers are available with temperature ranges 5°C to 70°C, -70°C to 100°C and -40°C to 180°C with humidity range from 40% to 95% RH.

In order to meet diverse needs of different industries and applications, we also offer customization services to our clients. From little modification in design to additional accessory fittings, our engineers can make the user required machine at reasonable price in India.

Detailed Description

  • Material of construction: Our temperature and humidity chambers are made with completely corrosion resistant material. Inner chamber is made with high grade stainless steel (304 or 316); while, exterior is made with corrosion resistant powder coated GI sheet. The gap between these two walls is filled with thick layer of high density PUF insulation.
  • Doors: Outer door is insulated and fitted with sturdy pull action clamp to tight seal. Some humidity chambers are also fitted with inner glass doors for observation. If needed a toughened glass window can also be fitted in outer door. Large size humidity chambers are made with double doors. As an option, doors are also fitted with glass window and defogger (Heating cords set around the door to prevent Condensation) in order to view inside during freezing condition
  • Door sealing: We use only environmentally safe Silicone gasket which is high temperature resistance, aging resistance and moreover feature excellent sealing capability. Low temperature chamber chambers are fitted with double sealing.
  • Controller: For greater accuracy and reliability, we use only PLC based HMI controller. This controller features color touch screen, graphical display and data logging. User can set temperature and humidity range with profiling. A USB port is given to transfer data into pen drive. We also provide ETHERNET connectivity if required.
  • Air circulation: Proper air circulation is mandatory requirement for any humidity test chamber; we use heavy duty motor driven blowers or stainless steel axial flow fans for uniform and rapid air distribution across the chamber.
  • Cooling: For efficient cooling temperature, we use hermetically sealed CFC free compressors of reputed brands in the market including EMERSON.
  • Heating: Heating inside the chamber is created through energy efficient SS finned air heaters.
  • Humidity System: In order to generate humidity inside the chamber, we equip our test chambers with stainless steel water reservoir tank fitted with immersion heaters for vaporization. To keep humidity system safe from low water, we also fit low water cut-off device.


  • TECHNICAL SPECIFICATIONS

    Temperature Range
    • -70°C to 180°C
    • -40°C to 100°C
    • -10°C to 100°C
    • 0°C to 100°C
    • 5°C to 60°C
    Temperature accuracy ± 1°C or less
    Humidity Range 40% to 95% RH
    Humidity accuracy ± 3% or less
    Temperature Sensor RTD PT-100 sensor
    Humidity Sensor Capacitive sensor
    Controller
    • PLC based HMI controller
    • Color touch screen LCD display
    • Temperature & humidity settings
    • Programmable timer for profile settings
    • Low / high parameter variation buzzer alarm
    • Trend graph display on screen
    Data output USB interface to transfer data into pen drive
    Interior Stainless Steel 304
    Exterior Powder coated GI sheet
    Insulation PUF (75 mm / 150 mm thickness)
    Door Insulated solid door with lock & key
    Observation door Toughened glass door w/ silicon profile seal
    Shelves Removable stainless steel wire mesh shelves
    Noise level 65db or less
    Refrigeration EMERSON Copeland / Danfoss make refrigerant CFC-free
    Humidity system Stainless steel water tank with immersion heaters & automatic water level sensor
    Heating SS finned air heater
    Air circulation Motor driven blower
    Safety
    • Upper and lower temperature & humidity limit alarms (built-in controllers)
    • Over temperature protection
    • Over cooling protection
    • Leakage breaker for power supply
    • Humidity tank low water safety device
    • Compressor Overload protection
    Mounting Caster wheels with brake
    Power supply 220 / 440 Volts 50 Hz
    Optional
    • LED illumination light
    • All stainless steel construction
    • PLC with HMI controller w/ ETHERNET connection
    • 24x7 weekly digital timer
    • Cable port hole 50 mm w/ silicone plug
    • Glass window w/ defogger
    • Calibration certificates
    Note:
    • It is advised to use only purified water for humidity that keeps heater and surface parts safe from deposits
    • Specifications may vary; customer must include required / essential specifications in request letter.
    • If environmental temperature is more than 32⁰C, the performance is not guaranteed.
    • Performance specifications might be changed depends on option.

      • STANDARD SIZES / DIMENSIONS

        Model Inner chamber (mm) Volume (Liters)
        STXTHC-200 800 x 500 x 500 200
        STXTHC-300 1200 x 500 x 500 300
        STXTHC-430 1200 x 600 x 600 430
        STXTHC-600 1200 x 700 x 700 600
        STXTHC-800 1200 x 800 x 800 800
        STXTHC-1000 1000 x 1000 x 1000 1000
        STXTHC-1500 1500 x 1600 x 600 1500
        STXTHC-2000 1500 x 1600 x 800 2000
Humidity Test Chamber
Temperature Humidity Test Chamber
Humidity Chamber
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