Internal phase shifting for easy reference target viewing
Power for optional sensors
Tachometer mode, speed measurement up to 250,000 rpm
Flash rates easily adjusted to fractional rpm by coarse/fine control knob
Individual TTL-compatible input and outputs jacks provided for 'daisy chaining' multiple strobes, triggering from external source, or providing trigger signal to external equipment (dax and dbx models only)
x2 and ÷2 capability for distinguishing actual rpm from harmonic frequencies
Includes six user-presetable memory flash rates for repetitive measurements and storage of last flash rate measured (dax and dbx models only)
Battery charge indicator (dbx models only)
Spare lamp in latching carrying case
NIST traceable certificate of calibration (dbx models only)
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