Wind Speed Alarm Device with 3 Fan Blades, Tower Crane Anemometer Instrument, 5V USB Power Supply - High Accuracy Measurement, Durable Aluminum, Ideal for Construction and Weathe

Item Type: Tower Crane Anemometer Weight: 694g / 24.5oz Material: Aluminum, PlasticPower Supply: USB 5VHost Size: Approx. 11.5x6x3cm / 4.5x2.4x1.2inHost Mounting Aperture: Approx. 1.5x3.9cm / 0.6x1.5inWind Cup Installation Aperture: Approx. 4cm / 1.6inWind Cup Cable: Approx. 8m / 26.2ftApplicable Scenario: Power plant wind speed measurement, weather stationWind Level Accuracy: 0.3 levelSetting Wind Level: 2-12 levels (can be set sequentially at 0.5 level/each time)Accuracy: ± 5%Starting Wind Speed: 0.7m/sWorking Temperature: -30-65°CPackage List：1 x With Cable Wind Cup Main Unit1 x USB Cable1 x Fixed Holder1 x Fixed Bracket Accessories5 x Screw 5 x Nut

• [Accurate Wind Speed Measurement]: Features a three cups type wind cup for 360 degree wind speed detection with ±5% accuracy and a wide measuring range for reliable data in diverse environments.
• [Smart Alarm Control]: Equipped with power off after alarm functionality, allowing automatic device control when wind speed reaches the preset level to enhance safety on job sites.
• [Durable Construction]: Made with wear- aluminum alloy wind cups that are rustproof and suitable for long-term outdoor use, ensuring lasting performance in harsh conditions.
• [Power Failure Memory]: Digital CMOS chip design with memory function maintains settings and timing during power interruptions, saving energy and preventing data loss.
• [Clear Wind Speed Display]: Transparent window shows current wind speed, set alarm level, and maximum wind level of the day for easy monitoring in construction, railway, and weather station applications.