Compact Instruments :: Helio Strobe Gamma

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Helio Strobe Gamma
Type 728
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Technical Data
Power supply	220 - 240 VAC / 110 - 120 VAC
Power consumption	approx. 500 W
Weight	5.5kg
Control	microprocessor
Frequency range, internal clock	0.1-1075 Hz
Frequency range, external clock	0.1 - 1075 Hz, higher frequencies (max. 10000 Hz) are divided automatically
Measuring range switching	automatic
Measured value display	digital, LC display, 2-digit, 9 mm character height
Display/ resolution	Hz / 0.01 Hz
Phase shifting (display)	ms
Phase shifting/trigger delay
- Internal clock	• no delay • delayed 50 µs - 999.999 ms (max. 1 period)
- External clock	0.33 s (min. 1 period)
- Clock input	• socket for external source (supply voltage 5 V / 12 V) • BNC • internal mains triggering
Input level	trigger level programmable +50 mV, +400 mV, +4 V, hysteresis +10% / -30%, positive or negative slope programmable input voltage -20 V..+20 V
Measurement duration	0.5s
Impulse period (ext. trigger)	approx. 200 us
Input impedance	330 kOhm in the 0 ... 5 V range The input impedance falls to 10 kOhm outside this range
Clock output	separate outputs for direct and delayed clock
Output voltage	0 V / 5 V positive or negative impulse programmable
Output resistance	low impedance to ground, 470 Ohm to +5 V
Flash energy
Range 1	0.25 Ws (1075 Hz max)
Range 2	0.50 Ws (525 Hz max)
Range 3	0.75 Ws (350 Hz max)
Range 4	1.00 Ws (275 Hz max automatic switching with restriction facilities
Operating time	automatic adjustment to energy and frequency. 20 s at 1000 Hz, cooling phase 40 s
Operating temperature	0° ... +40°C

Order Codes	Description
728	Gamma strobe

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General Description
A very versatile microprocessor controlled
Stroboscope with an excellent frequency range
of 0.1-1075 Hz ( 6 - 64,500 fpm), having a
precision clock & high accuracy phase shift
features.

This highly professional Stroboscope comes
with many excellent features as standard, with
the option to include an additional large
diameter 160mm and powerful lamp unit driven
from the one control unit, providing a very
wide light spread, with the ability to control
multiple slave units as necessary.
Microprocessor controlled, high-speed
instrument

Helio Strobe Gamma

Key features

	Synchronisation of several instruments possible
	Frequency range 0.1 ... 1075 Hz (internal) !!
	Precise clock generation and phase shifting
	Accurate measurement and delay with external clock
	Settings can be stored
	Safe operation with integrated monitoring functions (e.g. arc-through protection)
	Optional 2nd hand-held lamp socket

Supplied with own carry case