Benchtop Temperature & Humidity Chamber

The DHT® Benchtop Temperature and Humidity Test Chamber (DHTW Series) is engineered with a focus on high-precision environmental control, compact intelligent design, and industrial-grade reliability. Within a limited footprint (0.3–1m³), it delivers a wide temperature range from -70°C to +180°C and precise humidity regulation from 10% to 98% RH. Powered by DHT’s proprietary DHSPLCON™ control system, the chamber ensures exceptional stability, with temperature fluctuations ≤±0.3°C and humidity deviations ≤±1.5% RH.
Its modular stainless-steel inner structure features advanced anti-condensation design, supporting alternating tests and optional rapid temperature change rates up to 5°C/min. The unit is equipped with a high-resolution color touchscreen and IoT capabilities, enabling remote monitoring, program downloads, and USB/Ethernet data export. Multiple safety protections—including compressor overheat safeguard, leakage circuit breaker, and humidity anomaly alarms—ensure reliable unattended operation.
Fully compliant with GB/T 2423.3 and IEC 60068-2-78 standards, the DHTW Series provides a cost-effective and dependable testing solution for laboratory applications in medical electronics, semiconductor packaging, and precision component evaluation.

To better understand the strategic importance of benchtop chambers in modern product validation workflows, read our in-depth article: What Is a Benchtop Environmental Test Chamber—and Why Is It Essential for Product Testing?

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Benefits

Compact & Efficient: Small footprint and lightweight design allow stacking; powered by 110V–220V AC, offering easy deployment in space-limited environments.

Smart Control Interface: Features a color touchscreen and built-in program setting functions, supporting both constant value mode and programmable temperature/humidity cycling.

Reliable Accuracy: Incorporates core components from renowned global brands. Offers broad temperature/humidity ranges, robust stability, real-time data recording, and PC communication.

User-Centric Design: High-visibility observation window with Osram lighting system ensures clear visibility; quiet (≤55 dB), energy-efficient operation meets both environmental and lab silence requirements.

Comprehensive Safety: Triple protection system including over-temperature protection, self-diagnosis, and personnel safeguards ensures safe and controlled test operation.

Features Video

Specifications

Temperature Range (°C) 0~180;-20~180;
-40~180;-65~180;-70~180
Temperature Uniformity (°C) 16L:±0.5~±2.0;27L/50L/100L:±0.5~±1.5
Temperature Fluctuation (°C) 16L:±0.3~±1.027L/50L/100L:±0.1~±0.5
Heating Rate (°C/min) 2.0~3.0
Cooling Rate (°C/min) 0.7~1.0
Humidity Range (%RH) 20~98%
Load (kg/m²) 200
Noise Level (dB(A)) 16L:52
27L:54
50L/100L:56
Power Supply 220V±10% 50HZ
Power (kW) 16L/27L:1
50L:1.8
100L:2.1
Cooling Method Air Cooling