There is always a danger in measuring current using an analog voltmeter. Kung meron ka nito, kahit di mamahalin, pwede mong gawing ma-measure yung current. Set mo sa volt setting yung VOM(tamang term, means, volt-ohm meter). Measure mo muna yung voltage nung sinusukat mong device. Then mag series ka ng 5 watts, 1kilo ohm resistor. tapos sukatin mo ulit yung boltahe. Dapat mas mababa na yung voltage n masusukat mo. Subtract mo yung nakuha mong reading na wala pa yung naka-series na resistor sa reading nung me naka-series na. Yung difference, divide by 1000, yun ang current reading nito. ingat lang sa polarity kung dc voltages ang sinusukat. basic yan ng electricity at ohm's law.