杯式型风速计，风速表，AM-4220

Display

LCD size : 28 mm x 19 mm.

Measurement Unit

m/S (meters per second) , Km/h ( kilometers per hour ) , Knot ( nautical miles per hour ) , ft/min ( feet per minute ) , mile/h ( miles per hour )

Circuit

Custom one-chip of microprocessor circuit.

Data Logger

Max. can save 100 point data with recall Manual, push the data logger button once will save data one time.

Sensor Structure

Cup van probe with low friction ball bearing design.

Data Hold

Freeze the display reading.

Memory Recall

Maximum & Minimum value.

Sampling Time

Approx. 1 second.

Power off

Auto shut off saves battery life or manual off by push button.

Operating Temperature

0 to 50℃.

Operating Humidity

Less than 80% R.H.

Power Supply

DC 1.5 V battery ( UM4/AAA ) x 4 PCs,

Power Current

Approx. DC 6.8 mA

Weight

181 g/ 0.4 LB. @ Battery is included.

Dimension

Main instrument :190 x 40 x 32 mm (7.5" x 1.6" x 1.3")
Cup vane ( 3 cups with arm ) :135 mm dia.

Accessories Included

Instruction manual........................1 PC
Carrying case................................1 PC