Technical characteristics of the MTX 3291
56
6,000- and 60,000-count digital multimeters
Technical characteristics of the MTX 3291 (continued)
Diode test
Range
Resolution
Accuracy
Open-circuit voltage
Measurement
current
3V
0.1mV
1% L ±30D
<5V
<1.1mA
Audible signal triggered if <40mV ±10mV
Protection: 1414 Vpk
Audible continuity
Range
Resolution
Accuracy
Open-circuit
voltage
Measurement
current
Protection
600
Ω
0.01
Ω
0.2% L ±20D
<5V
<1.1mA
1414 Vpk
Response time: <100ms
Triggering threshold:
<30
Ω
±5
Ω
Protection: 1414 Vpk
Clamp
You can measure a current using various current clamps and obtain a direct
reading of the current by selecting the correct transformation ratio, which must be
the same as that of the clamp.
If the signal detection level is insufficient, the value is forced to "-----"
The input impedance is approximately 10M
Ω
.
*
Add the error of the clamp to the intrinsic error of the multimeter, specified
in the tables below.
DC current
Range
Ratio
600mA
6A
60A
600A
6000A
1mV/A
Resolution
0.01A 0.1A 1A
Accuracy
0.5% L ±2D
0.5% L ±2D
0.05% L ±2D
10mV/A
Resolution 0.001A
0.01A
0.1A
Accuracy
0.5% L ±2D
0.5% L ±2D
0.05% L ±2D
100mV/A
Resolution 0.1mA 0.001A 0.01A
Accuracy
0.5% L ±2D
0.5% L ±2D
0.05% L ±2D
1000mV/A
Resolution
0.1mA 0.001A
Accuracy
0.5% L ±2D
0.05% L ±2D
Secondary measurements and displays: MAX, MIN, AVG and transformation ratio
of the sensor
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