Amprobe AM91RS Digital-Multimeter - Manual (Page 27)

26
DC Current
RANGE Accuracy Burden Voltage
400.0
µ
A 0.4% + 4d 0.15mV/
µ
A
4000
µ
A 0.2% + 2d 0.15mV/
µ
A
40.00mA 0.4% + 4d 3.3mV/mA
400.0mA 0.2% + 3d 3.3mV/mA
4.000A 0.8% + 6d 0.03V/A
10.00A* 0.4% + 4d 0.03V/A
mA
µ
A Overload Protection : 0.63A/500V quick acting fuse, Interrupt Rating 200kA
A Overload Protection : 15A/600V quick acting fuse, Interrupt Rating 100kA
*10A continuous; 20A for 30 seconds maximum, 5 minutes cool down interval
Frequency & ACV in Dual Display
RANGE Accuracy
99.99Hz, 999.9Hz, 9.999kHz, 20.00kHz 0.002% + 1d
ACV 400mV...400V ranges sensitivities :
5Hz 100 Hz**, 15% F.S. of AC range selected;
100Hz 1kHz, 20% F.S. of AC range selected;
1kHz 10kHz, 35% F.S. of AC range selected;
10kHz 20kHz, 50% F.S. of AC range selected
ACV 750V range sensitivities :
5Hz 100Hz, 420VAC;
100Hz 1kHz, 550VAC
**Pulse Width 3
µ
s in this frequency range
Update Rate : 1.3 per second nominal
Frequency
RANGE Accuracy
99.999Hz, 999.99Hz, 9.9999kHz, 99.999kHz,
999.99kHz, 4.0000MHz
0.002% + 3d
Sensitivity :
5Hz 100kHz*, 200mV rms sinewave or 600mV p-p;
100kHz 500kHz, 400mV rms sinewave or 1.2V p-p;
500kHz 2MHz, 850mV rms sinewave or 2.6V p-p;
2MHz 4 MHz, 1V rms sinewave or 3V p-p
*Pulse Width 3
µ
s in this frequency range
Update Rate : 1.2 per second nominal
Temperature coefficient : 0.05 X (Specified accuracy)/ @ 23F - 65F or 83F - 122F (0 18 or 28 50 )
Operating input voltage : 20VAC rms. Refer dual display frequency function for higher voltage frequency applications
Overload protection : 600VDC/VAC rms