Description:
The meter is a digital multimeter for measuring the ambient temperature, humidity, wind speed, area and air volume. It is a portable, professional measuring instrument with large screen LCD backlight, multi-unit switching function.

Features:
Data hold function
With LCD back light for easy reading
MAX./MIN value display
Unit switch to choose a wide range of units
Ambient temperature and humidity display
USB interface to provide convenience
CD Software is attached for instruction
Low battery indication
Manual/Auto Power Off

Specifications:
Wind Speed Unit:
m/s0.8~30.0 ±2.0%; 30.0~40.0 for reference only
km/h1.4~108.0 ±2.0%; 108.0~144.0 for reference only
ft/s1.30~98.5 ±2.0%; 98.5~131.20 for reference only
knots0.8~58.3 ±2.0%; 58.3~77.70 for reference only
mil/h: 0.90~67.20 ±2.0%; 67.20~90.00 for reference only
ft/m: 78~5900 ±2.0%; 5900~7874 for reference only
Air Volume Unit:
CFM: 0~99990; area: 0~9.999ft2
CMM: 0~99990; area: 0~9.999mm2
CMS: 0~99990; area: 0~9.999mm2
Temperature:
-10~60/14~140H: ±1.5/2.7H
Humidity:
20~80%RH: ±3%RH @25
<20 OR >80 ±5%RH @25

General Characteristics:
Operating Altitude: 2000 meters (7000 ft.) maximum
Display: LCD
Max. Show Value: 9999
Power Supply: 2 * 1.5V AAA battery  (not included)
Package Size: 28 * 22.5 * 4cm / 11 * 8.7 * 1.5in
Package Weight: 334g / 11.8oz
      
Package List:
1 * HoldPeak HP-866A Digital Anemometer
1 * USB Cable
1 * CD Software
1 * Carrying Bag
1 * English Manual