background image

6

7

Press the left 
Arrow button
to select this 
option [-10]
 

Press the 
right Arrow 
button to 
select this 
option [+10]

Press the Enter button to select 

this option [move down] 

Arrow buttons

Basic Control

 

>

select the right or left item from the menu at the bottom 

 

>

move between items (up/down) in menu

 

>

switches the instrument on/off

 

>

confirmes the selection

 

>

selects the middle item from the menu at the bottom 

Enter button

to switch on and set up the stroboscope  
(see page 8)

to switch on the torch  
(see page 9)

for speed measurement with an external tacho probe 
(see page 10)

to set up units and other features 
(see pages 11-13)

to switch off the instrument

 

>

STROBO

 

>

TORCH

 

>

SETUP

 

>

TACHO

 

>

PWR OFF

You can select the following items from the menu: 

Menu

Press the Enter button to 
switch the instrument on 
and the MENU appears

Use the Arrow buttons to select 
the required Menu item

1.

2.

3.

Example:

Summary of Contents for A4950

Page 1: ...A4950 Stroboscope pocket guide ...

Page 2: ...ndard or rechargeable AA batteries are used for powering The A4950 stroboscope can be also used as a tachometer by connecting an external tacho probe High power LEDs with lens and reflector system Flashing frequency range from 0 5 Hz 500 Hz 30 RPM to 30 000 RPM Flashing frequency divider and multiplier Control of the flash duration Phase shift or shift by blades function available Flashing control...

Page 3: ...ge from the back Basic Information Top panel TACHO IN OUT Arrow buttons Enter button Buttons Batteries Switch ON OFF Press the Enter button to switch on the device Firmware version Serial number 1 ground GND 2 trigger signal output 3 not used 4 tacho probe powering 5 V 50 mA 5 trigger signal input ...

Page 4: ...e selection selects the middle item from the menu at the bottom Enter button to switch on and set up the stroboscope see page 8 to switch on the torch see page 9 for speed measurement with an external tacho probe see page 10 to set up units and other features see pages 11 13 to switch off the instrument STROBO TORCH SETUP TACHO PWR OFF You can select the following items from the menu Menu Press th...

Page 5: ...ivide the speed value by 2 DIV 2 Go to SETUP Select the Torch item in Menu The instrument can be used as a torch in this mode Press any button to switch off the Torch mode You can change this option in Setup see page 12 i To escape strobo mode press and hold the Enter button Another option is to choose the SET option on the Frequency Step Setup screen Select SET for Setup and select the ESC option...

Page 6: ...ter button set to confirm Adjust the Stroboscope flash duration with the Arrow buttons 1200 Laser Tacho optional The number on the screen defines the flash duration in degrees regarding to the speed It means that the flash duration 1 0 is equal to 1 360 of one rotation time For example when the speed frequency is 25 Hz then the time period is 40 ms and every 1 0 flash duration is 40ms 360 111 µs S...

Page 7: ... of blades of the inspected machine The number will be used in Strobo mode Go back to the Strobo mode and you can change the phase here Go back to the Strobo mode and you can change the blade here 1st 2nd 3rd Now the selected blade is visible and frozen Signal edge Setup menu structure summary We can select the positive or negative edge of the external trigger input pulse here it can be in the ran...

Page 8: ...mm Phase shift 180 180 Trigger output pulse 3 3 V External trigger input pulse 1 V 5 V positive negative edge Powering for external tacho 5 V 50 mA Display colour graphic OLED display 128 x 128 pixels Operating time 20 hours lithium batteries Operating temperature from 5 C to 55 C Dimensions 150 x 60 x 35 mm Weight 340 g including batteries Tripod mounting Accessories laser tacho probe optional tr...

Page 9: ...Master the language of your machinery Adash spol s r o Hlubinská 1379 32 702 00 Ostrava Czech Republic tel 420 596 232 670 e mail info adash com www adash com Adash 2017 ...

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