Technical characteristics of the MTX 3291
52
6,000- and 60,000-count digital multimeters
Technical characteristics of the MTX 3291 (continued)
Currents
Three possible modes: DC, AC, AC+DC
In DC mode, you can measure a direct current or the DC component of an
alternating current.
In the AC and AC+DC modes, you can measure the true RMS (TRMS) value of
an alternating current with/without its direct component (no capacitive coupling in
"DC" mode).
DC current
Particular reference conditions:
600µA and 6mA ranges: Measuring a strong current for a long time may cause a
temperature rise of some components. In this case, it is necessary to wait some
time for the metrological characteristics specified in these ranges.
Range
Operating
range
Specified
measurement
range
Resolution
Uncertainty
(
±
)
Voltage drop
Protection
600µA
0 to
600.00µA
0.02 to
600.00µA
0.01µA
1% L ±25D
10mV/mA
Fuse
11A/1000V
>20kA
6mA
0 to
6000.0mA
0.002 to
6.0000mA
0.1µA 0.8%
L
±25D
25mV/mA
60mA
0 to
60.000mA
0.020 to
60.000mA
0.001mA 0.8%
L
±20D 3mV/mA
600mA
0 to
600.00mA
0.20 to
600.00mA
0.01mA 0.8%
L
±20D
0.58mV/mA
6A
0 to
6.0000A
0.2000 to
6.0000A
0.0001A 0.8%
L
±20D 0.05V/A
10A/20A
(∗)
0 to
20.000A
0.200 to
20.000A
0.001A 0.8%
L
±20D 0.05V/A
The display indicates “OL” above 19.99A. The
symbol blinks and a beep
sounds above 10A.
(∗)
Acceptable overload: 10A to 20A for 30s max. with a pause of 5min between 2
measurements. Ambient temp. 35°C max.
Secondary measurements and displays: MAX, MIN, AVG
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