MET ONE Model 820457 Ultrasonic Wind Sensor

Overview

The Met One Model 820457 is a compact ultrasonic wind sensor featuring durable, corrosion-resistant construction with sensitive ultrasonic transducers secured in a streamlined moulded frame. Fully wind-tunnel tested and with no moving parts, it provides accurate, maintenance-free wind speed and direction measurement for meteorological and industrial applications.

The 820457 measures wind speed up to 75 m/s and direction over a full 360° with fast sub-0.25-second response. It offers RS-232/RS-485 serial and analog outputs in multiple formats, operates from -40 to +60 °C on 10–30 VDC, and carries an IP65 rating for reliable outdoor use.

Key Features

• Ultrasonic wind speed and direction, no moving parts
• Wind speed 0 to 75 m/s (0.01 m/s resolution)
• Wind direction 0 to 360° (±2°)
• Fast response <0.25 seconds
• RS-232/RS-485 (ASCII, NMEA, SDI-12) and analog outputs
• Wide operating range -40 to +60 °C
• IP65-rated, corrosion-resistant construction
• Low power (<20 mA typical)

Applications

• Meteorological and weather-station monitoring
• Air-quality and environmental networks
• Industrial and site wind monitoring
• Marine and remote continuous monitoring

What’s in the Box

• Met One Model 820457 ultrasonic wind sensor
• Mounting hardware
• Product documentation

Why buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Met One Instruments products in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. Download the datasheetPDF or contact our team for a quotation.