Amprobe AM-520, User Manual, Page: 19 / 146

13
SPECIFICATION
Ambient temperature: 73.4°F ±9 (23°C ±5°C); Relative temperature:
≤
75%
Accuracy: ±(% of r digits)
Maximum voltage between input terminal and earth ground: AC 750Vrms or
DC 1000V
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Fuse for mA µA input: F1 fuse, 0.5A H 1000V fast-fuse, (6×32)mm
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Fuse for 10A input: F2 fuse, 11A H 1000V fast-fuse, (10×38)mm
Maximum display: Digital 3999 counts, updates 3/sec. Frequency: 9999 counts.
Analog pointer display: 41 segments, updates 30 times/sec.
Over-range indication: OL
Range: Automatic and Manual
Altitude: Operating 2000m
Operating temperature: 0°C ~ +40°C (32°F ~ 104°F)
Relative humidity: 0°C ~ +30°C (32°F ~ 86°F)
≤
75%; +30°C ~ +40°C (86°F ~
104°F)
≤
50%
Storage temperature: -10°C ~ +50°C (14°F ~ 122°F)
Electromagnetic compatibility: In an RF filed of 1V/m = Specified accuracy 5%
Battery: 9V, 6F22, NEDA1604 or equivalent
Low battery indication:
Dimensions (L x W x H): 182 mm x 90 mm x 45 mm (7.2 in x 3.5 in x 1.8 in)
Weight: Approx. 354g (0.78lb) with batteries installed
1. DC Voltage Measurement
Range Resolution Accuracy
400.0mV 0.1mV ± (0.8%+3LSD)
4.000V 1mV
± (0.8%+1LSD) 40.00V 10mV
400.0V 100mV
1000V 1V ±(1.0%+3LSD)
Input impedance: About 10M ;
(Input impedance is
≤
3G
e
except DC 400mV range)
Overload protection: ±1000V