Humidity Test Chamber


Humidity Test Chamber gives uniform temperature & humidity with highly precise & controlled accuracy demanded cost-effective testing.  Temperature Humidity test chambers are designed for humidity extremes products like food, cell phones, automobile sensors, pharmaceuticals & Chemicals. Yatherm Test chambers designed with high quality, compact design, Superior Performance & accurate Results best suited for Research & Development.


We offer low humidity & High humidity test chambers in correlation with temperature for accurate results in the research. Yatherm provides a highly advanced imported maintenance-free electronic humidity sensor that provides accurate humidity. Humidity test chambers work between 0 to 80 °C with relative humidity from 25% to 95%. Humidity.


Yatherm Stability test chambers are designed with a stainless steel interior and exterior Powder-coated GI sheets. Our test Chambers are equipped with the PID controller for temperature and Humidity controller for Humidity. We also offer PLC with HMI in 7 inches, 5 inches & 4 inches Display. Our Test chambers are designed with international standards for use in private and public sectors of India with two years warranty.


  • Aerospace
  • Automotive
  • Home appliances
  • Scientific research department
  • Electronics
  • Defense
  • Food Industry
  • Drug Industry
  • Pharmaceuticals
Special features
  • Temperature range: -60 °C to 180 °C
  • Humidity range: 25% to 95 % RH
  • Capacitive humidity sensor and vapor humidification
  • Touch screen with password protection
  • SS 304 Inner chamber
    • Real-time data logging with USB port
    • Tight door Sealing with Gasket
    • Corrosion-free Glass
    • SS racks
    • Validation Port
    • Class 3.1 independent temperature safety device (DIN 12880) with visual and audible temperature alarm
    • Computer interface: Ethernet
    • Door heating
    • Hinged door for easy access
    • Sheathed electric heaters for safety and reliability
    • ISO, UL, and CE Approved
    • Hermetically sealed compressors
    • Environmental Stress Test Screening applications


Yatherm Scientific manufactures Temperature humidity test chamber/Stability Test Chamber in customized & tailor-made sizes, temperature ranges with low & high humidity range. We customized machines with inbuilt heaters and water tanks instead of external sources of water tanks for precise and controlled humidity.

Temperature / Humidity:

Our machines designed with customized temperature and humidity range for accurate results.

  • High Humidity with High-temperature Range
  • Low humidity with low-Temperature Range
  • Uniform temperature with Variable Humidity Range
  • Uniform Humidity with Variable temperature Range

Equipped with PLC & HMI have features like DATA logging, RS 232 computer connectivity, Chart recording, USB port, printer facility, 50 programs Setting with SV & PV & maintenance free electronic humidity sensor.


Interior chamber made with complete SS 304 & exterior can be MS powder Coated or rust-free SS 304 for long life. Heavy Duty rugged designed steel wire adjustable shelves with easy maintenance. Outer Door comes with Glass window, Lockable handle, glass wool Insulation, Silicon gasket & heating tube for moisture removal. All benchtop models are mounted on four caster wheels with two lockable wheels for easy mobility.

Heating System:

ISI mark U shape fin-type Air heaters, It provides uniform heating inside the chamber. Circulation fan works with heaters as it is an air heater cannot work without Fan.

Humidity System:

Inbuilt Stainless steel water tank with water heater used to generate the humidity inside the chamber. Water Heater used in the tank is according to the international standard for proper heating and moisture generation with quality low water cut off. The system also has an overflow valve facility in case of the self-filling of water from the source.


Air-Circulation system:

1/8 hp motor with impeller for uniform temperature & humidity system.


Computer Interface:

RS 232 / RS 485 – for computer connectivity and data storage

USB port – for data transfer


 Safety Features:
  • Circuit Breaker
  • Over Temperature Protection
  • Door opening Alarm
  • High Temperature & low-temperature alarm


Model No.
Testo – 150
Testo – 285
Testo – 340
Testo – 500
Internal Volume150 Liters260 Liters350 Liters500 Liters
No. of Shelves2/3/43/4/54/5/65/6/7
Chamber Dimension
W x D x H (mm)
500 x 400 x 750570 x 480 x 950630 x 530 x 1010700 x 600 x 1200
Outer Dimension
W x D x M (mm)
600 x 650 x 1300670 x 730 x 1500750 x 800 x 1550900 x 850 x 1800
TemperatureRange: Ambient to 60°C
Accuracy: ± 1°C
Sensor: PT 100
Temperature ControlPLC with HMI operated
Air circulationFan Blowers
HumidityRange: 25% to 95%
Accuracy: ± 2%
ConstructionInterior : Stainless steel 304/SS 316Exterior: MS Powder coated / SS 304/ SS 316

Shelves: Stainless steel 304

Insulation: Mineral Wool

Wheels: castor lockable Wheels

LightingFluorescent Philips lamp
Electrical220+/- 10% Volts, 50 Hz. Single Phase


Yatherm Scientific is a renowned brand of stability chamber/Humidity & temperature test chamber in India with a reputed client base of the Public & Private Sector. All test chambers pass all quality test parameters with 15 days testing prior to dispatch. We are known for quality equipment with timely delivery at the best price in India.



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