
DIGITAL
STROBOSCOPE
Model : DT-2239A
Your purchase of this DIGITAL STROBOSCOPE marks a step
forward for you into the field of precision measurement.
Although this STROBOSCOPE is a complex and delicate
instrument, its durable structure developed. Please read the
following instructions carefully and always keep this manual
within easy reach.
OPERATION MANUAL

Warning
Do not look directly at strobe/reflector.
Light pulses at the frequency greater than
5 Hz may cause photosensitive epilepsy in
some individuals if directly viewed.
A feature of the instrument is to make
moving objects appear to be stationary.
Precaution should therefore be taken to
ensure that there is no physical contact
made with objects being viewed.

Caution Symbol
Caution :
* Risk of electric shock !
Caution :
*
Do not use fingers or any tool
to touch the FLASH TUBE.
*
The instrument contains no user
serviceable parts and should not
be opened by the user.
*
Repair or after service should be
done by a qualified technician
only.
* Power plug should apply the correct
ACV power voltage
* Operating duty cycle should be
adhered to.
* Cleaning - Only use the dry cloth to
clean the plastic case !
Environmental Condition
* Comply with EN61010 Installation
category II 300 Vac.
* Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.