Compact size
LCD display
High accuracy and the deviation is +/-1RMP
Easy operation with rotary dial adjusting RPM
Shut off automatically after no operation for 30 seconds
Measure remotely and non-contact
5 presets of Flashing Frequency/RPM
10 Level aperture adjustment
Applied for all kinds of helicopters, fixed-wing airplanes with propellers and multi-copters
P1 P2 P3 (Default) P4 P5
800
F3 F4 F5 F6 F7
1600 2400 3200 4200
Preset
Flashing Frequency
/RPM
Aperture Level
Manufactured by
SKYRC TECHNOLOGY CO., LTD.
www.skyrc.com
RoHS
We guarantee this product to be free of manufacturing and assembly defects for a period of one year
from the time of purchase. The warranty only applies to material or operational defects, which are
present at the time of purchase. During that period, we will repair or replace free of service charge for
products deemed defective due to those causes.
You will be required to produce proof of purchase (invoice or receipt). This warranty is not valid for any
damage or subsequent damage arising as a result of misuse, modification or as a result of failure to
observe the procedures outlined in this manual.
WARRANTY AND SERVICE
Never measure RPM by yourself while you are controlling a helicopter or airplane, you need someone
to help you, otherwise it will be dangerous.
SAFETY NOTE AND CAUTION
7504-0359-01
- 4 -- 3 -
Open the battery case cover and install the battery(CR2032) if necessary.
Press LED key to turn on the Optical Tachometer.
Choose the aperture level and the preset flashing frequency
Look the observing object through the 3D Glass Screen, roll the rotary dial to increase/decrease the
flashing frequency, when you find the observing object is “static”, read the flashing frequency value
in the LCD display. The flashing frequency value you read is the RPM of the observing object.
The Optical Tachometer will shut off automatically after no operation for 30 seconds and the
aperture level and flash frequency will be saved as preset.
APPLICATION
1.
2.
3.
4.
5.
Note 1 Factory default preset
When you turn on the Optical Tachometer for the first time, it will enter Preset 3
automatically. You could change the Preset value according to your request.
Note 2
When you don't have rough idea about the RPM of some objects, it is better to start from
low flashing frequency. Because when the RPM of the observing object is integral multiple,
such as 700 and 1400, you will find it “static” looking through 3D Glass whether the flashing
frequency is 700, 1400, 2100 or other integral multiple. In this case, you may get
exaggerated RPM if you start from high flashing frequency.
FEATURES
SPECIFICATIONS
RPM Range: 700-4500RPM
Accuracy: ±1RPM
10 level aperture adjustment
5 preset RPM value
Rotary dial for RPM value adjustment
LCD display
Power supply: CR2032 button battery
Weight: 45g
(2 pages)
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