Adapter AM-402 Lutron is a vane type anemometer adapter that converts a standard digital multimeter {DMM} into a portable air-velocity and wind speed meter.

Specifications :
- Range : 0.4 – 30.0 m/s, 1.4 – 108.0 km/h, 80 – 5910 ft/min, 0.8 – 58.3 knots.
- Output : m/s – 1 mV per 1 m/s. km/h – 1 mV per 1 km/h. ft/min – 1 mV per 100 ft/min. knots – 1 mV per 1 knots.
- Accuracy 25 m/s) : m/s – ± (2% + 0.1 mV). km/h – ± (2% + 0.3 mV). ft/min – ± (2% + 0.2 mV). knots – ± (2% + 0.2 mV.
- Sensor : Conventional twisted vane arms &
- Structure : low friction ball bearing design.
- Battery : 006P DC 9V battery ( heavy duty type ).
- Power Failure : Build in low battery indicator.
- Operating Temp. : 0 to 50 (32 to 122 ).
- Operating Humidity : Less than 80% RH.
- Dimension
- Main instrument : 100 x 50 x 25 mm ( 3.9 x 2.0 x 1.0 inch ).
- Sensor Head : Round, 72 mm Dia