M-81AM Compact Vane Anemometer

Fast responding, pocket size design allows for one-handed operation.

This compact anemometer measures in fpm, m/s, kph, mph and knots. The LM-81AM keeps track of minimum and maximum readings and features a data hold function and low friction rotating vane for improved accuracy.


- Measures fpm, m/s, kph, mph and knots
- Easy to operate, compact design
- 4-digit LCD display
- Min/Max and data hold functions
- Designed for one hand operation
- Low battery indicator and auto shut off

What's included with the REED LM-81AM

- Compact Vane Anemometer
- Wrist Strap
- Battery

Technical data

Type. Vane
Measuring Ranges 1a. fpm: 80 to 5910
Measuring Ranges 1b. m/s: 0.4 to 30
Measuring Ranges 1c. km/h: 1.4 to 108
Measuring Ranges 1d. mph: 0.9 to 67
Measuring Ranges 1e. knots: 0.8 to 58.3
Accuracy 1a. ≤ 3937 fpm, 20 m/s, 72 km/h, 44.7 mph, 38.9 knots, : ± 3% rdg
Accuracy 1b. > 3937 ft/min, 20 m/s, 72 km/h, 44.7 mph, 38.9 knots, : ± 4% rdg.
Resolution 1a. fpm: 1
Resolution 1b. m/s, km/h, mph, knot: 0.
Vane Diameter. 1.3" (32mm)
Response Time. <1 sec.
Display. 4-digit LCD
Data Hold. Yes
Min. Yes
Max. Yes
Sampling Rate. 1 time/sec.
Auto Shut-off. Yes (after 10 mins)
Low Battery Indicator. Yes
Power Supply. 9V battery
Product Certifications. CE
Operating Temperature. 32 to 122°F (0 to 50°C)
Storage Temperature. 14 to 140°F (-10 to 60°C)
Operating Humidity Range. 10-80%
Dimensions. 6.1 x 2.4 x 1.3" (156 x 60 x 33mm)
Weight. 5.6 oz (160g)
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