Appendix E: Operator Troubleshooting
100
Mohr CT100 / CT100HF Operator's Manual
Operations
Switch between
short, medium and
long cable lengths
Do all
three show a
trace?
Recalibrate CT100
Enable
temperature
display
Do temperatures
update on screen, and are
they reasonable?
Attach a 50 ohm
test cable of
known length
Set Vp to match
the pulse velocity
of the cable
Measure the
length of the cable
Is the ohm
measurement within
specification ?
Position a cursor
on the trace of the
cable
Is the distance
measurement correct to
specification?
Switch between
short, medium and
long cable lengths
Do all
three show a
trace?
Attach a 50 ohm
test cable of
known length
Set Vp to match
the pulse velocity
of the cable
Measure the
length of the cable
Is the
measurement within
specification ?
Position a cursor
on the trace of the
cable
Does it measure
the correct ohms to
specification ?
no
The CT100
requires servicing
yes
yes
no
yes
File diagnostics
yes
no
no
no
Operations
CT100 Requires
Servicing
