Technical characteristics of the MTX 3291
6,000- and 60,000-count digital multimeters
59
Technical characteristics of the MTX 3291 (continued)
Pulse width
( ) (
)
Depending on frequency counter triggering conditions.
Resolution
10µs
Minimum pulse width
100µs
Accuracy
0.1%
±
10µs
Maximum duration of a period
1.25s (0.8Hz)
Triggering threshold
20% of the range except 1000V
AC
range
This threshold is:
positive in
, negative in
.
Additional error on the measurement due to the slope at the zero crossing:
See §. Measurement of duty cycle.
Protection 1414
Vpk
dBm
Display of the measurement in dBm with respect to a resistance reference
chosen by the user from among 50
Ω
, 75
Ω
, 90
Ω
, and 600
Ω
,
(default value 600
Ω
)
Resolution
0.1dBm
Absolute error in dBm
0.09 x relative error V
AC
expressed in %
Additional calculation error
0.1dBm
Measurement range
10mV to 1000V
Protection
1414
Vpk
Operation
of the audible beep
Beep reporting a valid key
High-pitched
sound
Beep reporting an invalid key
Low-pitched
sound
Successive beeps reporting an overshoot of the danger
threshold (alarm)
High-pitched
sound
Successive beeps reporting recording of the MAX, MIN, PEAK
High-pitched
sound
Successive beeps (alarm)
Æ
current >10A
High-pitched
sound
Continuity measurement
Medium-
pitched sound
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