to test the bias settings and dc offset in an amplifier?
DIGITAL MULTIMETER VOLTMETER AMMETER TESTER | eBay
DIGITAL MULTIMETER VOLTMETER AMMETER TESTER | eBay
It looks fine. Bias is normally set at about 125 mA, sometimes more, sometimes less.
As it is DC, you don't need to worry about the poor frequency response of a non-true RMS meter. If it is a BJT amp, you are usually just measuring voltage across the .22 Ohm emitter resistors. If a MOSFET sometimes you replace a fuse with the meter and read current.
You should not be adjusting offset. It should be designed in. Sometimes you can adjust symmetry, which to do correctly required a spectrum analyzer or distortion meter.
As it is DC, you don't need to worry about the poor frequency response of a non-true RMS meter. If it is a BJT amp, you are usually just measuring voltage across the .22 Ohm emitter resistors. If a MOSFET sometimes you replace a fuse with the meter and read current.
You should not be adjusting offset. It should be designed in. Sometimes you can adjust symmetry, which to do correctly required a spectrum analyzer or distortion meter.
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