5
Specifications
System Characteristics
D122 T132
Name Description
*
Exposure Interval
0.1 mS (100 µS) to 9999 Sec (2.8 hrs) in five decade
ranges variable within each decade with 4-digit pushwheel
switches.
*
Delay Interval
0.1 mS (100 µS) to 9999 Sec (2.8 hrs) in five decade
ranges variable within each decade with 4-digit pushwheel
switches.
*
Repeat Exposure
Single exposure or continuous selectable with
NORM/CONT toggle switch. 10 mS minimum between
exposures (50 mS minimum for VS35, VS45 shutters).
*
Accuracy
Exposure and Delay ± 0.5% all ranges (crystal time
base); maximum 20 µS propagation delay from
application of trigger to pulse applied to driver; Typical 5
- 7 µS delay.
*
*
Shutter Drive
Continuously variable frequency of exposures from DC to
the shutter's maximum rate; maximum peak pulse power
400 W, pulse voltage 70 VDC, pulse current 5.7 A (test
conditions: VS35 shutter, standard 5 Volt, 12 ohm coil
cycled with 20 mS exposure at 5 Hz).
External Input Characteristics
D122 T132
Name Description
*
Trig. (BNC)
Input impedance 10K ohms. Active-low. Source current
500µA. Minimum pulse width required to ensure
triggering 500 µS. Maximum voltage required to ensure
t.5VDC.
*
Trig. (Control #1)
Input Impedance 4.7K ohms. Active-high. Maximum
input +5VDC. Minimum input pulse +3.5VDC. Minimum
pulse width to ensure triggering 500µS.
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