Amprobe AM-220 & AM-240 Digital Multimeters

Economical, full featured digital multimeters with voltage measurement up to 600 V AC/DC.

Amprobe AM-220 & AM-240 Digital Multimeters Product Video

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The Amprobe AM-520 is the recommended replacement

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Manufactured

By Amprobe

Includes

FREE Ground Shipping on orders of $1,000 or more
FREE Lifetime Tech Support

Features

Measures:
- AC/DC voltage to 600 V
- AC/DC current to 10 A
- Resistance, capacitance, frequency, duty cycle
Large, backlight LCD display
Diode test & Audible continuity test
Data hold
MAX, MIN and Relative measurements
Auto and Manual ranging
Auto power-off
Temperature measurement: -58°F to 1382°F (AM-240 only)
CAT III 600 V safety rating

The Amprobe AM-220 and AM-240 are economical, full-featured digital multimeters ideal for a wide range of applications. Featuring all basic multimeter functions, the AM-220 and AM-240, have a safety rating of CAT III 600V.

The Amprobe AM-220 and AM-240 each measure AC/DC voltage up to 600 V; AC/DC current up to 10 A; resistance up to 40 MΩ; capacitance up to 4000 µF and frequency up to 10 M Hz. The Amprobe AM-240 digital multimeter also measures temperature from -58°F to 1382°F (-50°C to 750°C). Test measurements are displayed on a large, backlit LCD display. Other features of the Amprobe AM-220 and AM-240 digital multimeters include diode test; audible continuity test; data hold; MAX, MIN and Relative measurements; auto and manual ranging and auto power-off (can be disabled).

The Amprobe AM-220 and AM-240 ship complete with:

Test leads (MTL-90B)
Fuses (250 V, 0.5 A & 250 V, 10 A)
Thermocouple probe (TPK-59); Amprobe AM-240 only
Manual

Amprobe AM-220 and AM-240 Digital Multimeter Specifications

Range	Accuracy	Resolution
DC Voltage
400 mV	±(0.5% rdg + 2 dgts)	0.1 mV
4 V	±(0.5% rdg + 2 dgts)	1 mV
40 V	±(0.5% rdg + 2 dgts)	10 mV
400 V	±(0.5% rdg + 2 dgts)	100 mV
600 V	±(0.8% rdg + 3 dgts)	1 V
Overload protection: 600 V DC or AC RMS
Impedance: 10 MΩ, more than 100 MΩ on 400 mV range
AC Voltage
Range	Accuracy	Resolution
400 mV	±(1.5% rdg + 3 dgts)	0.1 mV
4 V	±(1.0% rdg + 2 dgts)	1 mV
40 V	±(1.0% rdg + 2 dgts)	10 mV
400 V	±(1.0% rdg + 2 dgts)	100 mV
600 V	±(1.5% rdg + 3 dgts)	1 V
Average sensing, calibrated to RMS of sine wave
Frequency: 40 to 400 Hz
Overload protection: 600 V DC or AC RMS
Impedance: 10 MΩ, more than 100 MΩ on 400 mV range
DC Current
Range	Accuracy	Resolution
400 µA	±(1.2% rdg + 3 dgts)	0.1 µA
4000 µA	±(1.2% rdg + 3 dgts)	1 µA
40 mA	±(1.2% rdg + 3 dgts)	10 µA
400 mA	±(1.2% rdg + 2 dgts)	100 µA
4 A	1 mA	1 mA
10 A	1 mA	10 mA
Overload protection: 0.5 A/250 V, 10 A/250 V fuse
Impedance: 10 MΩ, more than 100 MΩ on 400 mV range
AC Current
Range	Accuracy	Resolution
400 µA	±(1.5% rdg + 3 dgts)	0.1 µA
4000 µA	±(1.5% rdg + 3 dgts)	1 µA
40 mA	±(1.5% rdg + 3 dgts)	10 µA
400 mA	±(1.5% rdg + 3 dgts)	100 µA
4 A	±(2.5% rdg + 5 dgts)	1 mA
10 A	±(2.5% rdg + 5 dgts)	10 mA
Average sensing, calibrated to RMS of sine wave
Frequency: 40 to 400 Hz
Overload protection: 0.5 A/250 V, 10 A/250 V fuse
Resistance
Range	Accuracy	Resolution
400 Ω	±(1.0% rdg + 2 dgts)	0.1 Ω
4 kΩ	±(1.0% rdg + 2 dgts)	1 Ω
40 kΩ	±(1.0% rdg + 2 dgts)	10 Ω
400 kΩ	±(1.0% rdg + 2 dgts)	100 Ω
4 MΩ	±(1.0% rdg + 2 dgts)	1 kΩ
40 MΩ	±(2.0% rdg + 3 dgts)	10 kΩ
Overload protection:250 V DC or AC RMS
Capacitance
Range	Accuracy	Resolution
40 nF	±(3.0% rdg + 10)	10 pF
400 nF	±(2.5% rdg + 5)	100 pF
4 µF	±(2.5% rdg + 5)	1 nF
40 µF	±(2.5% rdg + 5)	10 nF
400 µF	±(5.0% rdg + 10)	100 nF
4000 µF	±(20.0% rdg + 20)	10 µF
Overload protection:250 V DC or AC RMS
Diode and Audible Continuity Test
Range	Description	Test Condition
Diode & Audible continuity test	Display read approximately forward voltage of diode	Forward DC current approx. 0.4 mA reversed DC voltage approx. 2.8 V
Diode & Audible continuity test	Built-in buzzer sounds if resistance is less than 50 Ω	Open circuit voltage approx. 0.5 V
Overload protection: 250 V DC or AC RMS
Frequency
Range	Accuracy	Resolution
10 Hz	±(0.1% rdg + 5 dgts)	0.01 Hz
100 Hz	±(0.1% rdg + 5 dgts)	0.1 Hz
1000 Hz	±(0.1% rdg + 5 dgts)	1 Hz
10 kHz	±(0.1% rdg + 5 dgts)	100 Hz
100 kHz	±(0.1% rdg + 5 dgts)	10 Hz
1000 kHz	±(0.1% rdg + 5 dgts)	1 kHz
1 MHz	±(0.1% rdg + 5 dgts)	10 kHz
Sensitivity: sine wave 0.6 V RMS (10 MHz: 1.5 V RMS)
Overload protection: 250 V DC or AC RMS