doble TDR9000, User Manual, Page: 291 / 454

TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01 A-91
Monday
, November 26, 2001 1:09 pm
Velocity Open Zone 2
Zone 2 is totally independent of Zone 1 (Figure A.108).
Figure A.108 Contact Open Velocity Open Zone 2
Average Velocity
– Close The velocity zone must be entered before the test for the velocity in that
zone to be calculated by the Instrument.
There are five methods of specifying the zone for Average Velocity
measurements during a close test.
• Distance – Distance
• Distance – Time
• Time – Time
• Time – Contact Close
• Distance – Contact Close
These serve as the Open and Close conditions that define each zone.
These same parameters apply to Velocity Open Zone 2.
Starting closed position
From Distance
Zone 1
To Time
Starting
Time (ms)
10 20 40 60
(end of test)
80 100
From
Time
To Contact Close
Phase where motion channel
is activated and Transducer is
installed.
Open Position