The #daf800 can measure airflow in ducts and at grille returns to help balance a system.
- Air speed measurement range: 80 to 5910 ft./min (0.4 to 30m/sec, 1.4 to 108km/hr, 0.9 to 67 mph, 0.8 to 53 knots)
- Air speed measurement basic accuracy: ¢ ±3% of full-scale value below 20m/sec; ¢ ±4% of full-scale value above 20m/sec
- Air speed measurement resolutions: 1 fpm, 0.1 m/sec, 0.1km/hr, 0.1 mph, 0.1 knots
- Lcd size: 1.3 in. (33Mm) diagonal, with 3/8 in. (10mm) high digits
- Auto power off: after 10 minutes of inactivity
- Operating temperature: 32 ¢° to 122 ¢°F (0 ¢° to 50 ¢°C) @<80% RH
- Weight: 5.6 Oz. (159g)
- Power source: "9v" battery (not included)
- Includes wrist strap