
Page 8 Operation manual HELIO-STROB micro2
4. Technical specifications
Power supply 2 x AA alkaline (LR6) or
2 x AA NiMH accumulator (HR6)
Power consumption 60 – 1500 mA depending on opera-
tion mode
Metal case dimensions 140 x 62,7 x 38 (mm)
Weight 175 g
Light source 3 x ultra-bright LED (CREE)
Internal flash rate control adjustable by membrane
keyboard
External flash rate control 5 – 30 V (TTL compatible)
positive / negative flank,
adjustable
Frequency range 1 – 2000 Hz / 60 – 99999 fpm
Measured value display digital, 5-digit 7-segment display,
character height 8 mm, red
Display in fpm / Hz yes / yes
Measuring time 0,33 s (min.1 period)
Display resolution up to 0,01 fps / 0,1 fpm
Phase shifting in degrees
Degree range 0 – 360°
Degree resolution 0,1°
Special functions integral frequency multiplication /
division (on internal trigger)
automatic flash duration
adjustment or set-up
power save mode
memory function
Light intensity max. 3800 Lux (@ 50 Hz / 20 cm)
Radiation angle 19° or 42° (s. battery compartm.)
Precision 0.005 % ± 1 digit
Operating temperature 0° … +40°C
Storage temperature -20° … +60°C
ir humidity 80% relative air humidity at 30°C
Protection class IP40
NiMH accumulators are not to be deeply discharged.
To prevent this, the optical warning ACCU appears in
the display and the device is automatically shut off.
The same applies to standard batteries.