Extech 407114 Heavy Duty CFM Vane Anemometer from MeterMall

Display Air Flow (CFM/CMM) or Air Velocity plus Temperature simultaneously
20 point averaging for airflow
Low friction ball bearing vane wheel for high accuracy
MIN/MAX readings
Data hold and Auto power off
Built-in RS-232 PC Interface
Complete with vane sensor with 3.9 ft cable, 9V battery, and protective holster with stand
Optional Certificate of Calibration traceable to N.I.S.T. with data (allow 7-10 days)
Optional Data logger and Data Acquisition Software >>Order Here<<
Optional 117 VAC or 220 VAC Adaptor for Heavy Duty Anemometers >>Order Here<<

Specifications

Display	Dual function 0.5" (13 mm) 4-digit (9999 count) LCD
Data hold	Freezes displayed reading
Sampling rate	1 second approx.
Sensors	Air velocity/flow sensor, Conventional angled vane arms with low-friction ball bearing.
Temp. sensor	Precision thermistor
MAX/MIN	Memory Record and view Maximum and Minimum readings
Automatic Power off	Auto shut off after 15 minutes to preserve battery life
Data Output	RS 232 PC serial interface with 16-bit data stream output
Operating Temperature	32°F to 122°F (0°C to 50°C)
Operating Humidity	Max. 80% RH
Power Supply	9V battery (Heavy duty alkaline)
Weight	0.84 lbs. (381 g) including battery & probe
Meter dimensions	7.1 x 2.8 x1.3" (180 x 72 x 32mm)
Vane diameter	2.8” (72mm)
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Units of Measure	Range	Resolution	Accuracy
ft/min (feet per minute)	80 – 4921 ft/min	1 ft/min	± 2% rdg
m/s (meters per sec)	0.4 to 25.00 m/s	0.01 m/s	± 2% rdg
mph (miles per hour)	0.9 – 55.9 mph	0.1 mph	± 2% rdg
km/h (kilometers per hr)	1.4 to 90.0 km/h	0.1 km/h	± 2% rdg
knots	0.8 to 48.6 knots	0.1 knots	± 2% rdg
CFM (cubic feet per min)	0-999,900 ft³/min	0.001 to 100
CMM (cu meters per min)	0-999,900 m³/min	0.001 to 100
Air Temperature	32 to 122°F (0 to 50°C)	0.1°F/C	±1.5°F (0.8°C)