Amprobe AU92 Automotive-Multimeter - Manual (Page 14)

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ELECTRICAL SPECIFICATION Accuracy at 23 °C ± 5 °C, < 75% R.H.
DC VOLTS
Ranges:
400 mV, 4 V, 40 V, 400 V, 600 V
Accuracy: ±(1.0% rdg + 2 dgts)
Resolution: 0.1 mV
Input impedance: 400 mV: >100 MΩ; 4 V:10 MΩ; 40 V ~ 600 V: 9.1 MΩ
Overload protection: 600VDC or AC rms
AC VOLTS
Ranges:
400 mV, 4 V, 40 V, 400 V, 600 V
Range: Accuracy:
400 mV (50 ~ 100 Hz) ±(2.0% rdg + 5 dgts)
4, 40, 400, 600 V (50 ~ 500 Hz) ±(2.0% rdg + 5 dgts)
Resolution: 0.1 mV
Input impedance: 400 mV: >100 MΩ; 4 V: 10 MΩ; 40 V ~ 600 V: 9.1 MΩ
Overload protection: 600 VDC or AC rms
DC CURRENT
Ranges:
400 µA, 4000 µA, 40 mA, 400 mA, 10 A
Range: Accuracy:
400 µA to 400 mA ranges ±(2.0% rdg + 2 dgts)
10 A range ±(3.0% rdg + 3 dgts)
10A input: 10 A for 60 seconds maximum followed by a 10 minutes cooling period
Resolution:
0.1 µA
Voltage burden: 0.2 V on 400uA, 40mA ranges ;
2V on 4000 uA, 400 mA ranges
Input protection: 0.5 A / 500V fast blow ceramic fuse (FP520)
10 A / 500 V fast blow ceramic fuse (FP540)
AC CURRENT
Ranges:
400 uA, 4000 uA, 40 mA, 400 mA, 10 A
Range: (50 ~ 500 Hz) Accuracy:
400 uA to 400 mA ranges ±(2.5% rdg + 5 dgts)
10 A range ±(3.5% rdg + 5 dgts)
10A input: 10 A for 60 seconds maximum followed by a 10 minutes cooling period
Voltage burden:
see DC Current
Input protection: see DC Current