Checkline DT-900 User Manual
Page 4
4
2.2 Display
Messages
Low Battery Indicator will appear when
the battery needs recharging. Although the
stroboscope will continue to flash, it is
recommended that you charge the battery
when this message appears.
External Mode. When switched to
External Mode Triggering (see page 6),
the DT-900 automatically looks for
an external signal source. If a signal is
detected, the LED power indicator turns
green. If no signal is detected, the LED
will turn red, and the message no input
appears.
Tachometer Mode. When switched
to Tachometer Mode (see page 8), the
DT-900 automatically looks for an
external signal source. If a signal is
detected, the LED power indicator turns
green. If no signal is detected, the LED
will turn red, and the message no input
appears.
LOW BATT
1200.0
Ext.Mode
no input
Tach.Mode
no input
13
8.0 S
PECIFICATIONS
Flash rate range
40–12,500 flashes per minute (FPM)
Flash rate accuracy
± 0.5 FPM or ± 0.01% of reading, whichever is greater
Flash setting resolution
0.1 FPM for 100 to 9999 FPM,
1 FPM for 10,00 to 12,500 FPM
Flash tube
Xenon, 10W, user replaceable
Flash tube life
100 million flashes
Flash duration
9–15 µsec
Light power
154 mJoules per flash
Battery type
NiMH, rechargeable removable
Battery capacity
2.6 AmpHr
Battery charge time
2–4 hours, using supplied AC adapter
Run time per charge
2.5 hours at 1600 FPM, 1.25 hours at 3200 FPM
Battery charger AC input 115 VAC, 50/60 Hz
Display
8 character by 2 line LCD, alphanumeric
Display update
Continuous
Display resolution
0.1 FPM for 100 to 9999 FPM,
1 FPM for 10,000 to 12,500 FPM
Timebase
Crystal oscillator, 100 ppm accuracy
External trigger input
0–5V TTL type via stereo phone jack
External trigger
to flash delay
5 µsec maximum
Clock output
0–5V TTL type via stereo phone jack
Housing
Impact and oil resistant polycarbonate
Weight
1 lb., 7 oz.
(650 g)
8.1 Accessories
Part Number
Description
FLASHTUBE900
Flash tube replacement
DT-900-1 Replacement
battery
DT-900-2
AC adapter, 120V AC 60 Hz
DT-900-3
Lens replacement
DT-900-4
Handle pad replacement
DT-900-5
Plastic carrying case
DT-6
Holster, padded
DT-900-8
Universal AC adapter with world plugs