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Environmental Calibration Chamber

The DHT® Environmental Calibration Chamber is a high-precision system engineered for the calibration and verification of temperature and humidity sensors under tightly controlled conditions. Designed to meet the stringent requirements of environmental chamber calibration, it is widely used in fields such as meteorology, environmental monitoring, metrology laboratories, and industrial quality control.

This advanced humidity calibration chamber provides an ultra-stable testing environment with fine-tuned control over both temperature and humidity, ensuring the accuracy, repeatability, and traceability of sensor calibration processes. Leveraging intelligent control systems and uniform air circulation, the chamber supports a wide range of calibration scenarios—from single-point verifications to complex multi-point profiling.

Whether you’re calibrating digital sensors, analog probes, or integrated monitoring systems, the DHT® chamber delivers the consistency and reliability essential for compliance with international standards and traceable certification procedures.

To learn more about selecting the right equipment for your environmental testing needs, check out our detailed guide: How to Choose the Best High-Low Temperature Test Chamber for Industrial Applications? A Professional Selection Guide for Engineers.

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Benefits

Ultra-Precise Control: Advanced PID algorithms ensure ±0.2°C temperature stability and ±1.5%RH humidity accuracy.

Broad Operational Range:The temperature control range is from -70°C to 180°C, and the humidity control range is from 10% to 98%, making it suitable for the calibration of various types of temperature and humidity sensors.

Rapid Thermal Cycling: Achieves heating/cooling rates of 3°C/min, reducing calibration time by 30%.

Dynamic Environment Simulation: Replicates extreme climatic conditions (e.g., tropical humidity, arctic cold) to validate sensor resilience.

Safety Assurance: Multi-layered protections, including over-temperature/over-humidity alarms and emergency shutdown protocols.

Features Video

Specifications

Temperature Range (°C) -40℃~180℃;
-70℃~180℃(可定制)
Heating Rate (°C/min) 2.0~4.0
Cooling Rate (°C/min) 0.7~3.5
Temperature Change Rate After Stabilization (°C/min) ﹤0.2
Temperature Fluctuation (°C) ±0.2;±0.5 (0~50℃时)
Temperature Uniformity (°C) 2;≦0.3 (0~50℃时)
Humidity Usable Temperature Range (℃) 15~95
Humidity Range (%RH) 10 ~ 98
Humidity Fluctuation (%RH) ±0.8 (20℃时稳定状态下)
Humidity Uniformity (%RH) 1.0~3.0(20℃时稳定状态下)
Humidity Change Rate After Stabilization (%RH/min) ﹤0.8
Power Supply 3/N/PE AC 380/400V ±10%,50Hz
Cooling Method Air Cooling