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• This device adopts the anti-interference technology, photoelectric technology, semiconductor
laser technology and microcomputer (CPU) technology to achieve the function of non-contact
rotation speed measurement.
• It features wide measuring range and high resolution.
• With ultra-big LCD display, it provides clear reading without parallax.
• It can automatically save the measured max value, minimum value and the last display value
• It is powered with one 9V battery, and benets long time and continuous working due to its
better energy saving performance.
•
When the power voltage is lower than the regulated value, it problems with the mark of battery.
•
It is designed with streamline appearance, the whole device adopts durable and quality elec-
tronic components, and the housing adopts light and solid ABS, and features longer service life.
LCD Display: 5-digit 18mm high LCD
Power Supply: Single 6F22 9V battery
Time Base: 6MHz quartz crystal oscillator
Range Selecting: Automatic switching
Testing Range: 2.5rpm-9999 rpm(revolutions per minute)
Resolving Power: 0.1 rpm(revolutions per minute) (2.5 39999.99 rpm)
1 rpm(revolutions per minute) (over1000 rpm)
Measuring Accuracy: ±(0.05%+1 character)
Sampling Time: 0.8s (over 60rpm)
Effective Measuring Distance: 50mm-20mm (LED light source)
50mm-500mm (laser light source)
Instrument Dimension: 131*70*29mm
Power Consumption: About 35mA
Portable Fabric Bag: 1
Operation Manual: 1
Battery: 6F22 9V
Reecting Belt Length: 24 in.
1. Reection Mark
2. Light Path
3. Memory Button
4. Measurement Button
5. LCD Display
6. Battery Chamber Cover
This tool is capable of the following:
• Rotating speed test, counting test
• Max, minimum and average rotating speed test
• The test data is saved automatically, (save 63 data)
• Counting range: 0-99999.0
WARNING: Do not directly shine the eyes of human or
animal with the light bean transmitted from the device
for avoiding hurt to the eye.
SPECIFICATIONS
PRODUCT FEATURES
CONTROLS AND FUNCTION
OPERATION
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6
Test Function Mode
1. Rotating speed test mode selection and measurement
a. Open the battery chamber, install the battery, then install the cover.
b. Hold the MEM button, LCD displays RPM or COUNT character, select the required RPM test
mode, release the MEM button.
c. Hold the TEST button to enter into test state.
d. After stopping test, LCD displays the last test data for 10s, and then the instrument is turned off.
2. Count test mode selection
a. Open the battery chamber, install the battery, then install the cover.
b. Hold the MEM button, LCD displays RPM or COUNT character, select the COUNT test mode,
release the MEM button.
c. Hold the COUNT button to enter into count test state.
d. After stopping test, LCD displays the last test data for 10s, and then the instrument is turned off.
MEM Record Data Function Switching
1. Hold the MEM button, LCD displays RPM or COUNT character, select the desired mode,
release the MEM button.
2. Saved data browse
a. Press the MEN button for the rst time, LED displays the actual data of the last test.
b. Press the MEN button again, LED displays “1” which means the last test data, and circularly
display the MAX, MIN and AVE data of the test.
Rotating Speed
Max Value
Minimum Value
Last Display Value
Time
Max Value
Minimum Value
Last Display Value
Fig. 1
For Example:
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