These True-rms commercial grade digital multimeters offer more features, better accuracy at a great price. True-rms, accuracy to 0.02%, frequency, capacitance, duty cycle, analog bar graph, PC interface and large backlit displays are just a handful of features that are available on the AM-140-A.

• True-rms
• Measurements: voltage up to 1000V AC/DC, resistance, AC/DC current, frequency, capacitance, duty cycle
• Optical isolated PC interface capability
• Crest (peak hold), max, min, max-min, recording
• Auto and manual ranging
• Intelligent auto power off
• Data hold
• Relative zero mode
• Audible and visual warning against improper plug-in
• DC loop current 4-20mA
• dBm reading with 20 selectable impedance values
• Backlight display
• Large, easy to read large LCD display
• High speed analog bar graph
• Diode test
• 4-20mA DC loop current
• Audible continuity