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Designed for in-home repair and electrical testing applications, the Amprobe AM-420 Residential Digital Multimeter accurately measures the voltage in receptacles, switches, extension cords, and light fixtures. Use the continuity function to easily troubleshoot light bulbs and fuses. This compact tool is designed for in-home repair and electrical testing applications, including measuring the presence of voltage in electrical sockets, extension cords, batteries, and other electrical circuits up to 250 V.
It is a must-have tool for residential projects including installation, troubleshooting, or repair of light fixtures, fans, or appliances. DC ranges of voltage and current are included to help with automotive diagnostics of electrical systems. The battery test feature checks the amount of charge remaining in standard 1.5 V and 9 V batteries.
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.
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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
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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
|
Test leads installed
Measures AC/DC voltage
Measures DC current
Measures resistance
Audible continuity lithe
Rated to CAT II 250 V
Diode laboratory analysis
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