Description Overview Constant temperature and humidity test chamber Internal volume: 1000 l (≥980 l) Internal dimensions: 1000 mm (width) × 1000 mm (deep) × 1000 mm (height) External dimensions: ≤1200 mm (width) × 1825 mm (deep) × 1978 mm (height) Equipment weight: approximately 750 kg Temperature Specifications Temperature control range: -70 °C to 180 °C (for long term running) Temperature deviation: ± 1.5 °C in the range of -70 °C to +150 °C Temperature deviation: ± 3 °C in the range of +150.1 °C to +180 °C Cooling speed: from normal temperature to -70 °C within 75 minutes Rapid cooling rate: faster than 1 °C per minute Humidity Specifications Humidity control range: 10% to 98% when the cabin temperature is 10 °C to 95 °C Humidity sensor: wet ball gauze sensor Corresponds to 95 °C to 95% RH test conditions Construction and Features Observation window with electronic heating device Water tank volume: approximately 32 l Electronic automatic expansion valve Compressor: original imported scroll type, ≤3.0 × 3.0 kW Heater: nickel-chromium alloy heating wire heater Humidifier: surface evaporation type Control System 5-inch color touch screen can set 3 fixed value programs and 40 99-step programs 7-inch color touch screen