Monarch Instrument Pocket LED Strobe - Manual (Page 21)

17
6.0 Specifi cations
Internal Mode:
Flash Range
30 to 300,000 FPM (Flashes Per Minute), 0.5 to
5000Hz
Flash Rate Accuracy 0.005% of setting or ± last digit
Flash Rate Resolution 0.01 to 1 FPM (menu selectable), 0.1 FPM resolution
above 9,999.99 FPM, 1 FPM resolution above
99,999.9
Display Update Rate Instantaneous
External Modes:
Flash Range
0 to 300,000 FPM (Flashes Per Minute), 0 to 5000Hz
Tachometer Mode 30 to 300,000 RPM
Accuracy ±0.005% of reading up to 250,000 or ± last digit
Display Update Rate 0.5 second typical above 120 RPM
Trigger to Flash Delay ~ 15 µsec
External Input:
2.5V to 12V peak pulse 500 nanosec min pulse width,
Positive or Negative edge triggered (menu
selectable)
Output Pulse 3V pulse. One pulse per fl ash in internal mode.
Mimics input pulse in external mode.
Pulse In to Out Delay < 0.2 µsec (External Mode)
Time Base Ultra Stable Crystal Oscillator
Display LCD display with 6 numeric 0.506 inch [12.85 mm]
high digits and 5 alphanumeric 0.282 inch [7.17 mm]
high digits
Indicators Low Battery, On Target, Select, TACH, and EXT icons
Memory Last setting before power down is remembered and
restored on next power up. 5 user settable memory
locations