Amprobe’s AM-420 Residential Digital Multimeter delivers precision voltage measurements up to 250V in receptacles, switches, extension cords and light fixtures. The AM-420 is equipped with a continuity function for effortless troubleshooting of lightbulbs and fixtures. More still, the DC ranges of voltage are included to aid with automotive diagnostics of electrical systems and a battery test feature confirms the remaining amount of charge in the batteries.
Specifications
Feature
AM-420
Best Accuracy
AC Voltage
200.0 / 300 V
+/-(1.5% rdg + 4 LSD) @ 45 Hz to 400 Hz, 2 V to 200 V
DC Voltage
200 mV 2.000 / 20.00 / 200.0 / 250 V
+/-(1.2% rdg + 2 LSD) @ 200 mV to 200 V
DC Current
200.0 µA 2.000 / 20.00 / 200.0 mA
+/-(1.2% rdg + 5 LSD) @ 200 µA to 20 mA
Resistance
200.0 Ω 2.000 / 20.00 / 200.0 kΩ
+/-(1.5% rdg + 5 LSD) @ 200 Ω to 200 kΩ
Continuity
•
Diode Test
•
Battery test
1.5 V, 9 V
+/-(5.0% rdg + 1 LSD)
Data Hold
•
General Specifications
Maximum display
1999, updates 2 to 3/sec
Range
Manual-ranging
Operating temperature
32°F to 104°F (0°C to +40°C)
Relative humidity
32°F to 86°F (0°C to +30°C) ≤75%; 86°F to 104°F (+30°C to +40°C) ≤50%
Pollution degree
2
Operating altitude
≤ 6561 ft (2000 m)
Storage temperature
14°F to 122°F (-10°C to +50°C)
Electromagnetic compatibility
In an RF filed of 1V/m = Specified accuracy ± 5%. RF field > 1V/m is not specified.
Over-range indication
" 1 ", "-1" or maximum display reading
Battery
One 9V alkaline battery (6LF22, 6LR61, MN1604) or equivalent
Battery life
Alkaline: 100 hours typical
Low battery indication
Overvoltage Category
CAT II 250V
Safety Compliance
IEC 61010-1, UL 61010-1 2nd Ed. and CAN/CSA C22.2 No. 61010-1-04 Update No.1:2008
EMC Compliance
Conforms to IEC 61326-1
Certification
Dimensions (L x W x H)
4.5 x 2.6 x 1.6 in (115 x 65 x 40 mm)
Weight
Approximately 0.61 lb (275 g) with battery installed
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