Extech 407412 Heavy Duty Hygro Thermo-Anemometer from MeterMall

Display Air Velocity or Relative Humidity plus Temperature
Super large 1.4" (36mm) dual LCD display
Remote low friction vane sensor and humidity probe
Min/Max, Auto power off, and Data Hold, F/C Switchable
Complete with humidity and vane probes with 3.9 ft cable, 9V battery, protective holster with stand, and carrying case
3 year warranty
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, 4-digit (9999 count) LCD display
Data hold	Holds reading on the LCD display when button is pressed
Air Velocity Sensor	Twisted vane arm with low friction ball bearing
Temperature Sensor	Precision thermistor
Humidity Sensor	Thin film capacitor
Max/Min	Record Records highest and lowest readings for later recall
Data Output	RS-232 serial PC interface
Operating Temp.	32°F to 122°F (0°C to 50°C)
Operating Humidity Max.	80% RH.
Power Supply	9V battery
Weight	0.77 lbs. (350g)
Meter dimensions	7.1x2.8x1.3" (180 x 72 x 32mm)
Anemometer Probe	0.7" (17mm) Diameter x 6.7" (170mm)
Accessories	Anemometer/temperature and RH Probes, 9V battery, & case
.
Units of Measure	Range	Resolution	Accuracy
ft/min (feet/min)	80 - 4921 ft/min	1 ft/min	ą (2% + 20 ft/min)
m/s (meters/sec)	0.4 - 25.00 m/s	0.01 m/s	ą (2% + 0.2 m/sec)
km/h (kilometers/hour)	1.4 - 90.0 km/h	0.1 km/h	ą (2% + 0.2 km/hr)
mph (miles/hour)	0.9 - 55.9 mph	0.1 mph	ą (2% + 0.2 mph)
knots	0.8 to 48.6 knots	0.1 knots	ą (2% + 0.2 knots)
Temperature	32°F to 122°F (0°C to 50°C)	0.1°F/°C	ą1.5°F (ą0.8°C)
Relative Humidity	10 to 70% RH	0.1%	ą3% RH
Relative Humidity	70 to 95% RH	0.1%	ą4% RH