Four impedance ranges (low, medium 1,
0.25 ampere signal fuse connects in series with the
medium 2, high)
channel A and B test terminals. Accidental contact
of the test leads to active voltage sources, such
Automatic range scanning
as line voltage, powered-up boards or systems,
and charged high voltage capacitors, may cause
Range control: High Lockout
this fuse to open, making replacement necessary.
When the signal fuse blows, the 2000 displays
Adjustable rate of channel alteration
short circuit signatures even with the test leads
and/or range scanning
open.
Dual polarity pulse generator for dynamic
testing of three terminal devices
CAUTION
LED indicators for all functions
The device under test must have all power
turned off and all high-voltage capacitors
Dual channel capability for easy compari-
discharged before connecting the 2000 to
son
the device.
Large CRT display with easy to operate
controls
The line fuse should only open when there is
an internal failure inside the instrument. Always
GENERAL OPERATION. --You will test
locate the problem and correct it before replacing
components using the 2000 two terminal system.
this fuse.
It also has a three terminal system when using the
built-in pulse generator. When using this system,
you place two test leads on the leads of the
Front Panel. --The front panel of the 2000
component under test. The 2000 tests components
makes function selection easy. All push buttons
in-circuit, even when there are several parts in
are the momentary action type. Integral LED
parallel.
indicators show which functions are active. Look
Use the 2000 only on boards and systems with
at figure 2-29 and table 2-4 for details about each
all voltage sources in a power-off condition. A
item on the front panel.
207X
Figure 2-29.-Front panel.
2-49
