Amprobe AM-420 User Manual - Page 13
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DETAILED SPECIFICATIONS
Ambient temperature: 23°C ± 5°C (73.4°F ± 9°F); Relative temperature: ≤ 75%
Accuracy: ± (% of reading + digits)
Maximum voltage between input terminal and earth ground: AC 250 Vrms or DC
250 V
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Fuse: F1 315 mA, H 250 V fast-fuse, ( 5 × 20) mm
Maximum display: 1999, updates 2 to 3/sec
Over-range indication: " 1 ", "-1" or maximum display reading
Range: Manualranging
Operating altitude: ≤ 2000 m
Operating temperature: 0°C to +40°C (32°F to 104°F)
Relative humidity: 0°C to +30°C (32°F to 86°F) ≤ 75%; +30°C to +40°C (86°F to
104°F) ≤ 50%
Storage temperature: -10°C to +50°C (14°F to 122°F)
Electromagnetic compatibility: In an RF field of 1V/m = Specified accuracy ± 5%.
RF field > 1V/m is not specified.
Power supply: One 9V alkaline battery (6LF22, 6LR61, MN1604) or equivalent
Low battery indication:
Dimensions (L x W x H): 115 x 65 x 40 mm (4.5 x 2.6 x 1.6 in)
Weight: Approximately 275 g (0.61 lb) with battery installed
AC Voltage Measurement
Range
200 V
250 V
Input impedance: around 0.5 MΩ
Frequency response: 45 Hz ~ 400 Hz
Overload protection: 250 VDC or AC rms
DC Voltage Measurement
Range
200 mV
2 V
20 V
200 V
250 V
Input impedance: around 1 MΩ
Overload protection: 250 VDC or AC rms
DC Current Measurement
Range
200 μA
2 mA
20 mA
200 mA
N
Resolution
0.1 V
1 V
Resolution
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
Resolution
0.1 μA
0.001 mA
0.01 mA
0.1 mA
9
Accuracy
±(1.5% + 4 LSD)
±(2.0% + 4 LSD)
Accuracy
±(1.2% + 2 LSD)
±(1.5% + 2 LSD)
Accuracy
±(1.2% + 5 LSD)
±(2.5% + 4 LSD)