Making Measurements
2
Keysight U1241C/U1242C User’s Guide
67
Table 2-8
Threshold resistance values
Range
Resolution Accuracy
Continuity threshold Overload protection
100
Ω
0.01
Ω
0.2% +5
28
±
10
Ω
1000 Vrms
< 0.3 A short circuit current
1000
Ω
0.1
Ω
0.2% +2
28
±
10
Ω
10 k
Ω
0.001
k
Ω
0.2% +2
0.151
±
0.05 k
Ω
100 k
Ω
0.01 k
Ω
0.2% +2
1.38
±
0.5 k
Ω
1000 k
Ω
0.1
k
Ω
0.2% +2
13.8
±
4.3 k
Ω
10 M
Ω
0.001
M
Ω
0.8% +2
0.12
±
0.04 M
Ω
100 M
Ω
0.01 M
Ω
1.5% +3 (< 50 M
Ω
)
3.0% +3 (> 50 M
Ω
)
0.12
±
0.04 M
Ω
NOTE
You can set the beeper to sound and the red LED indicator to light up as a
continuity indication whether the circuit-under-test is less than (short) or more
than or equal to (open) the threshold resistance. Refer to “
– Normal open: The circuit is normally open, the beeper will sound and the LED
indicator will light up when a short is detected.
– Normal closed: The circuit is normally closed, the beeper will sound and the
LED indicator will light up when an open is detected.
The audible continuity will be locked in the minimum range of 1000
Ω
for
resistance measurement.
NOTE
– The continuity function detects intermittent shorts and opens lasting as
briefly as 1 ms. A brief short or open causes the multimeter to emit a short
beep and its red LED indicator to light up.
– You can enable or disable the audible and visual alerts via the multimeter’s
Setup. Refer to “
Содержание U1241C
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