Technical characteristics of the MTX 3291
54
6,000- and 60,000-count digital multimeters
Technical characteristics of the MTX 3291 (continued)
Frequency
Main frequency
measurement
In this setting, you can measure the frequency of a voltage.
Particular reference conditions: 150mV <U <600V
When the switch is set to Hz, the 300Hz filter is not in service.
Protection: 1414 Vpk
Range
Operating range
Specified
measurement
range
Resolution
Intrinsic error
60Hz
10.00 to 60.00Hz
10.00 to 60.00Hz
0.01Hz
0.1% L ±1D
600Hz
10.0 to 600.0Hz
10.0 to 600.0Hz
0.1Hz
6kHz
0 to 6.000kHz
0.010 to 6.000kHz
0.001kHz
60kHz
0 to 60.00kHz
0.01 to 60.00kHz
0.01kHz
600kHz
0 to 200.0kHz
0.1 to 200.0kHz
0.1kHz
Below 10Hz, or if the signal detection level is inadequate, the reading is forced to
zero.
*
The measured period in ms is available on the second display unit.
Secondary
frequency
measurement
You can measure the frequency and magnitude of a voltage or of a current
simultaneously.
Same accuracy as in the "Hz" setting
Particular reference conditions:
150mV <U <600V
0.15A
<I
<10A
Max. frequency measurable in volts:
100kHz
(except
60mV
range
Æ
400Hz and
600mV
range
Æ
50kHz)
Max. frequency measurable in amperes: 20kHz
When the switch is set to VLowZ, Volts or Ampere, if the 300Hz filter is activated,
the measurable frequency remains within the limits of the PB of the filter.
Below 10Hz, or if the signal detection level is inadequate, the reading is forced to
“-----“.
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