Specifications:
² Working Way: photo electricity
² Max. Indication: 99999
² Display: LED
² Blade: 2-9
² Auto Turn Off: no signal for 1min
² Backlight Color: blue
² Battery: 220mah replaceable lithium battery
² Weight: 39g
² Dimension: 90*54*16mm
Functions:
-To measure RPM of a spinning propeller, 2-9 blades ones, memorize peak RPM data.
-Peak RPM value up to 99999 per minute
Features:
-Sharp backlight LED screen, applicable under poor light condition.
-220mah removable lithium button battery included
-Compact and extremely portable
-Automatically shut off when signals are not detected within a minute.
Operation Instruction:
-Press “Power” button for 1 second to power on/off
-Press “SET” button to set the relevant propeller blades
-Real time RPM value shown when you make the RPM sensor point to the blades within 5-10cm measurement is finished
-Backlit LED is on/off when press “SET” button for 3 seconds uninterruptedly.
-It’s normal to see the value floating during measuring, so please keep the tachometer and object stable for the precision.