Ceiling Fan Energy Efficiency Air Volume Room Test System Fan Performance Test Bench Meter Machine. IEC 60879-2018 Compliance: Measures wind speed and air flow strictly according to IEC 60879-2018 standards for accuracy. Computer Automated Control: Stepping motor drive and computer control eliminate manual interference for precise data. High Precision Measurement: Uses Japan Yokogawa WT210 power meter with 0.1% precision and 0.15m/s wind speed sensitivity. Automatic Report Generation: Automatically calculates and prints air volume reports and energy efficiency ratings. Adjustable Test Parameters: Electric adjustment for top hole diameter, sample height, and anemometer positioning. Comprehensive Data Analysis: Collects power and wind speed data to calculate average speed, air volume, and efficiency. OEM and ODM Services: Offers full customization from samples, designs, or complete custom specifications. ISO Certified Manufacturer: ISO9001, ISO45001, and ISO14001 certified with 16 years of export experience.