The tachometer can be used for the two-blade to nine-blade paddle blade speed test, and the speed range can be measured from 0 to 99999 rpm.
The tachometer contains a 3V 220mah coin-type lithium battery. LED display, reading is more convenient.
Press and hold the POWER button, then press the set button 1" to turn on the backlight!
Press the set button to select the number of leaves for the test propeller!
Simple to use, just open the switch, select the number of propeller blades, and align the rotation of the propeller about 5~10cm to start reading. After the measurement is finished, the screen will display the measured maximum value, with blue backlight and more. Easy to read.
Please note that it is normal for the speed to jump during the measurement, so keep the stability between the measured power system and the tachometer as much as possible to ensure accurate readings.
Product specifications:
Working mode: photoelectric
Maximum reading: 99999
Display mode: LED
Test leaves: 2-9
Auto power off: no signal for 1 minute
Backlight color: blue
Battery: 220mah replaceable button lithium battery
Weight: 39g
Size: 90*54*16mm
Features:
High contrast backlight LED display, pocket portable!
After booting up, press the set button 1" to turn on the backlight.
Press the set button to select the number of leaves for the test propeller.