– 1 –
T
ABLE OF
C
ONTENTS
1.0
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
2
2.0
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
2
2.1 Controls
2.2 Kit Option
3.0
Battery Usage (DT-725 only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
3
3.1 Battery Charging
3.2 Battery Replacement
4.0
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
4
4.1 Internal Triggering
4.2 External Triggering
4.3 Synchronous Output Signal
4.4 Using A Tripod
5.0
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
6
6.0
True RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
6
7.0
Flash Tube Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
7
8.0
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
8
9.0
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARNING
1. Do not look at the emitted light for long periods of
time, it can be harmful to the eyes.
2. Do not disassemble or repair the unit while in
operation.
3. Do not operate or store the instrument in the
following places: explosive areas, areas near
water, oil, dust or chemicals, or areas where
the temperature is above 104°F
(40 °C).
– 8 –
8.0
S
PECIFICATIONS
Flashing Range
40 – 12,500 FPM (Flashes Per Minute)
Accuracy
±0.02% of reading
Resolution
0.1 , 40.0 – 4,999.9 FPM
0.2 , 5,000.0 – 7,999.8 FPM
0.5 , 8,000.0 – 9,999.5 FPM
1.0 , 10,000.0 – 12,500.0 FPM
Display
5-Digit LED, 0.3"
(8mm)
height
Rate
Divide by 2, Multiply by 2
Update Time
Ext. mode: varies with flashing rate
Operating Time
1 hour when fully charged (Model DT-725)
Continuous (Model DT-721)
Flash Tube/Power Live
Xenon, 10 W, 100 million flashes
Flash Duration
10 – 15 μs
Signal Output
NPN Open Collector (24 VDC max., 50 mA)
150 μs typical
Phase Shift
Internal mode only by using the “+” and “–” switches
Ext. Trigger
a) 12-24 VDC thru a 3-wire NPN output sensor
(requires external power supply)
Input Signal
b) 12 VDC thru a 2-wire proximity sensor (leakage
current 1 mA max.,Load current 8 mA min.)
c) Switch or Relay contact
Operating Temp.
32°–104° F
(0 – 40° C)
Dimensions
9" L x 4.3" W x 8.5" H
(228.6 x 109.2 x 216.9mm)
(Height includes handle)
Weight
DT-725 2.75 lbs
(1.25 Kgs)
DT-721 1.5 lbs.
(0.7 Kg)
4.3
"
(109.2mm)
4.3
"
(109.2mm)
9
"
(228.6mm)
8.5
"
(228.6mm)
