REED R4000SD Data Logging Vane Thermo-Anemometer, 79 to 5906 ft/min

The R4000SD digital anemometer is a versatile tool for measuring air velocity and ambient air temperature, complete with a built-in contact thermometer for surface temperature readings. The R4000SD features automatic temperature compensation, data hold, and Max/Min tracking functions. The large, backlit LCD screen ensures easy readability in various lighting conditions.

With SD card support(SD card sold separately), this anemometer allows users to manually log up to 99 measurements or automatically record data at intervals ranging from 1 to 3600 seconds. No software is needed—simply remove the card to instantly generate Excel-compatible files from the raw data. Optional accessories like a tripod and AC adapter are available for stable, continuous monitoring, making it ideal for long-term environmental and HVAC assessments.

• Measures air velocity (fpm, m/s, kph, mph and knots) and air temperature
• Includes contact temperature measurement capability via optional Type J/K thermocouples
• Thermistor sensor for fast air temperature readings
• Precision airflow readings ensured by a low-friction, ball-bearing rotating vane sensor
• Real-time data recording supported through an integrated SD card storage system
• User selectable sampling rate from 1 to 3600 seconds
• Bright, backlit LCD screen offers clear visibility in low-light environments
• Data hold and Min/Max functions
• Both the probe and main unit feature tripod mounts for hands-free, extended use
• Power-saving functions include auto shut-off and a low battery status alert
• Includes vane probe, hard carrying case & batteries

• Reed R4000SD Datasheet