Amprobe AM-250 Digital-Multimeter User Manual
Page 17
11
Max Hold (Voltage & Current)
Specified accuracy ± 50 digits for changes > 25ms in duration
DC Current
Range
Accuracy
Burden Voltage
400.0µA
2.0% + 5d
0.15mV/µA
4000µA
1.2% + 3d
0.15mV/µA
40.00mA
2.0% + 5d
3.3mV/mA
400.0mA
1.2% + 3d
3.3mV/mA
4.000A
2.0% + 5d
0.03V/A
10.00A*
1.2% + 3d
0.03V/A
*10A continuous, 20A for 30 second max with 5 minutes cool down interval
AC Current
Range
Accuracy*
Burden Voltage
50Hz -- 500Hz
400.0µA
2.0% + 6d
0.15mV/µA
4000µA
1.5% + 4d
0.15mV/µA
40.00mA
2.0% + 6d
3.3mV/mA
400.0mA
1.7% + 4d
3.3mV/mA
4.000A
2.0% + 6d
0.03V/A
10.00A*
1.8% + 4d
0.03V/A
*10A continuous, 20A for 30 second max with 5 minutes cool down interval
Ohms
Range
Accuracy
400.0e
0.8% + 6d
4.000ke, 40.00ke, 400.0ke
0.6% + 4d
4.000Me
1.0% + 4d
40.00Me
2.0% + 4d
Open Circuit Voltage : 0.4VDC typical
Audible Continuity Tester
Audible threshold : between 10e and 120e