TR-AM-4836C (Pack of 2) Digital Weather Meter Anemometer Wind Speed Gauge Airflow Measurement 2 Sets

We use DHL and Fedex. Generally, it only needs 3 days to arrive America from China.

Pakage includes 2 sets of AM-4836C.
Applications:
Widely used in data collection for boiler, refrigeration industry, ventilation duct, environment monitor, navigation measurement, weather forecast, collection of the weather datum for outdoor busywork and fire department.
Features:
Low-friction ball-bearing design allows free vane movement.
Separate type design, convenient to measure.
Automatic Power off, 0-9 minutes set by users.
General Specifications:
Display: 0.5" (13 mm) 4-digit LCD
Measurement Units:
Air Velocity: m / s, km / h, ft / min, knots
Air Flow: CMM, CFM
Beaufort Scale: Force
Wave Height: m
Direction: from The North Direction
Temperature: degree, Fahrenheit
Data Hold: Maximum Value
Data Memorized: 24 Groups
Sampling Rate: Reading Per Second Approx
Sensors:
Air Velocity / Flow Sensor: 3-cup Probe
Direction Probe: Low Friction Probe
Temperature Sensor: Precision Thermistor
Automatic Power Off: 0 ~ 9 Minutes Set by Users
Operating Conditions: Temperature: -10 ~ 60 C; Humidity: less than 80 %RH
Power Supply: 4 x 1.5v AAA size ( UM-4 ) battery
Dimensions: Main Unit: 156 x 67 x 28 mm
Velocity Sensor: 65 x 65 x 115 mm
Direction Sensor: 86 x 69 x 115 mm
Weight: 375 g

Test Range Specifications:
Air Velocity:
Range: 0.4~45.0 m/s; Resolution: 0.1; Accuracy: +/- ( 2%n + 0.1 m/s)
Range: 1.4~162.0 km/h; Resolution: 0.1; Accuracy: +/- ( 2%n + 0.1 km/h)
Range: 80~8860 ft/min; Resolution: 0.1; Accuracy: +/- ( 2%n + 1 ft/min)
Range: 0.8~88.0 knots; Resolution: 0.1; Accuracy: +/- ( 2%n + 0.1 knots)

Air Temperature:
Range: -10~60C / 14~140F; Resolution: 0.1C / 0.1F; Accuracy: 0.5C / 0.9F
Package includes:
2*Main Unit
2*Operation Manual
2*Carrying Case