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Portable Stroboscopes
Stroboscopes Main Menu
PK2 Pocket Strobe
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DT-311A, DT-315A & DT-315AEB Digital Stroboscopes
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DT-314 External Trigger Digital Stroboscope
DS-12V Longest Battery-Life Portable Stroboscope
DS-303 AC-Powered Portable Stroboscope

DS-303 Digital Stroboscope

DS-303 Digital Stroboscope

Pioneer's AC powered portable stroboscopes are ideal for speed measurement and the examination of motor rotors, gears, cams, shafts, turbines, fans, vibrating parts, liquid spray patterns, leaks, etc.


60-30,000 FPM range; Locking trigger

Precise digital readout (DS-303 models)

External trigger capabilities

AC line powered

Includes NIST-traceable certificate




Display Range 60 to 30,000 flashes per minute (FPM)
Display Output 5 digit LED (DS-303 models)
Resolution +/-1 RPM (DS-303 models)

Flash Tube

Flash Duration 1 microsecond (DS-303 models)
Flashtube Life 600,000,000 flashes


Locking Power Switch Press-to-operate mechanical switch
External Trigger DTL\TTL (DS-303ST)
Power Requirements 120 V, 60 Hz (240 V, 50/60 Hz models available)


Dimensions 9" x 8.5" x 4" (strobe unit)
Construction High impact plastic
Weight 2 lbs (strobe); 8.5 lbs (battery pack); 9 lbs (AC power supply)
Operating/Storage Environment 32-114F / 0-125F





Ordering Guide for the DS-303 Stroboscope

Model Description Price
DS-303 AC-powered stroboscope $750.00
DS-303V Same as the DS-303 only with 220/240 volts $775.00

Power Supplies

22-95 Flash tube for the DS-303 or 30K-1 stroboscopes $97.50
70-39 Hard-shell carrying case for the DS-303 or 30K-1 stroboscopes $50.00
PK1-TRI Telescoping tripod (with 1/4-20 threads, Used with any Pioneer stroboscope) $42.00
PK1-8M External triggering cable; six feet long, 1/8" male to 1/8" male $45.00
PK1-BNC External triggering cable; six feet long, 1/8" male to BNC male $60.00
30-20 Twenty-foot long extension cable - connects the DS-303 or 30K-1 to the UNIPS $50.00
D1248 Flash unit (FY-505 light pack, requires unit disassembly) $225.00
D1255A Flash tube for discontinued model D-312 $225.00


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