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Analysing the movement of rotating machines is quick and easy with our stroboscope. The Flaw Detector is equipped with 3 high-power UVA LEDs, which together generate a light intensity of 317 μW/cm² at a distance of 30 cm. The stroboscope allows you to set the flash frequency in both FPM and Hz. The stroboscope is pocket-sized and also mains-independent thanks to the rechargeable battery.

The Flaw Detector is operated intuitively using the 10 keys, allowing quick adjustments to be made. The phase shift allows the observation point to be moved variably. The pulse width can be used to set the duration and therefore also the intensity of the flash frequency. The display brightness can be selected in the settings menu, as can switching off the display after a period of inactivity, which extends the battery life. The stroboscope is supplied with a USB-C charging cable in a service bag.

When input trigger mode is activated, the device synchronises the flash frequency of the LEDs based on the input trigger signal provided (or with the output trigger signal). A rising or falling edge of the signal to be synchronised can be selected. In output trigger mode, the Flaw Detector generates a PWM signal with the selected frequency, the selected duty cycle and the selected phase shift.

Route measurement mode allows you to use a number of predefined settings for frequency, duty cycle and phase shift and navigate from one point to the next without having to manually set the values at each point. The device allows the storage of up to 15 routes with a maximum of 10 machines per route and a maximum of 5 points per machine.

Flaw Detectors are indispensable tools for monitoring and inspecting production facilities, e.g. in the printing and textile industries but also for general maintenance and inspection tasks in all industrial sectors. They also enable non-contact speed and vibration measurement: if the flash frequency of the stroboscope matches the movement frequency, the measured object appears stationary.

 

Datasheet

Flaw Detector PCE-LES 303UV-385

  • - 3 high-power UVA LEDs

    - light colour: 365 ... 370 nm

    - flash frequency adjustable in FPM and Hz

    - intensity: 317 μW/cm² at 30 cm

    - digital pulse width modulation

    - phase shift: - 360 ° ... + 360 °

    - quick adjustment via x2 and ÷2 keys

    - intuitive control keys and clear display

    - pocket size

    - external trigger input and output

    - route measurement

    - slow motion mode

  • Frequency  
    Measurement range up to   60 ... 9999,99 FPM
    Resolution   0,01 FPM
    Accuracy   ±0.003 % of the setting or ±1 LSD
       
    Frequency  
    Measurement range up to   10000 ... 300000 FPM
    Resolution   0,1 FPM
    Accuracy   ±0.003 % of the setting or ±1 LSD
       
    Frequency  
    Measurement range up to   1 ... 5000 Hz
    Resolution   0,01 Hz
    Accuracy   ±0.003 % of the setting or ±1 LSD
       
    General technical data  
    Display type   LC colour display
    Display size   2,8 Inch
    Storage medium   Internal memory
    Operating time   4,5 h
    Operating time additional information   at flash frequency 100 Hz, 1 %, display brightness 70 %
    Automatic power-off from...to   2 ... 10 min.
    Automatic power-off can be deactivated   Yes
    Luminous intensity   635 µW/cm² @ 20 cm @ 1000 Hz, 1%
    317 µW/cm² @ 30 cm @ 1000 Hz, 1%
    115 µW/cm² @ 50 cm @ 1000 Hz, 1 %
    Light colour   UV light (380 ... 390 nm)
    Phase shift   -360 ... 360 °
    Pulse width   0.01 ... 1 % of pulse duration
    Resolution: 0.01 %

    0.01 º ... 3.60 º of 360 º
    Resolution: 0.01 º
    Trigger input   Input: permitted input: NPN signal, 24 V DC, sensor supply: 24 V / 100 mA for external sensors
    Output: open-drain output, up to 24 V, 50 mA
    Route measurement   Up to 15 routes, 10 machines per route, 5 points per machine
    Menu language   Turkish, English, Polish, Spanish, German, Chinese, Russian, French, Italian, Dutch
    Protection class (device)   IP52
    Power supply   5V DC, 2A
    Connector type   Device-europlug
    (Rechargeable) battery   1 x 7,4 V internal , Lithium-ion battery 
    Capacity   2200 mAh
    Operating conditions   -20 ... 60 °C , 35 ... 85 % RH
    Storage conditions   -20 ... 60 °C , 35 ... 85 % RH
    Dimensions ( L x W x H )   165 x 90 x 35 mm
    Weight   284 g
     

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