AEMC instruments CA7027 Panduan Pengguna - Halaman 13
Jelajahi secara online atau unduh pdf Panduan Pengguna untuk Alat Ukur AEMC instruments CA7027. AEMC instruments CA7027 20 halaman. Fault mapper pro graphical tdr
Juga untuk AEMC instruments CA7027: Panduan Pengguna (20 halaman)
Halaman Cetak
The injected signal oscillates between 810 and 1110Hz, six times per
second.
NOTE: The auto-off function is disabled in Tone Generator mode, so that
the tone can be injected into a cable for an extended period of time while
tracing takes place.
See §4.10 for attaching a cable to the Fault Mapper Pro
4.7
The Fault Mapper Pro
19,000 ft (0.5 to 6000m).
To select a range scale, or scan the cable run, press and hold down the
TDR /
button to increase the range.
4.8
To adjust the Vp, press and hold the
TEST /
TEST /
Next use the
Ms or Vp % UC.
Press the
4.9
Vp, or Velocity of Propagation, values are characteristic of each cable
type and brand. The Vp is used to measure the length of a cable and to
measure a fault location. The more accurate the Vp, the more accurate
the measurement result will be.
The cable manufacturer may list the Vp on their specification sheet
or may be able to provide it when asked. Sometimes this value is not
readily available, or the user may wish to determine it specifically to
compensate for cable batch variations or for special cable applications.
Fault Mapper Pro
Find Quality Products Online at:
Selecting Full Scale Sensitivity
®
has 11 range scales covering the range of 1.5 to
button, then press the
Adjusting the Vp Value
button to enter the setup mode. Release both buttons. Press the
button until the pointer (>) is next to Vp.
and
buttons to adjust the Vp to scroll between v/2, M/
TDR /
button to exit the set up mode.
Determining and Measuring Vp Values
®
Model CA7027
GlobalTestSupply
www.
button to decrease the range or the
TDR /
button and press the
.com
®
.
11