IM-5284 Multimeter The Heathkit IM-5284 Multimeter is a compact voltmeter, ohmmeter, and milliammeter that can operate from batteries and/or the accessory power supply. SPECIFICATIONS DC VOLTMETER Ranges . . . . . . . . . . . . . . . . 0-1, 0-10, 0-100, 0-1000 volts full scale Input Resistance . . . . . . . . . . . . 10 Megohms on all ranges Accuracy . . . . . . . . . . . . . . . . +/- 3% of full scale AC VOLTMETER Ranges . . . . . . . . . . . . . . . . 0-1, 0-10, 0-100, 0-1000 volts full scale Input Resistance . . . . . . . . . . . . 1 Megohms on all ranges Input Capacitance . . . . . . . . . . . Approximately 100 pF (40 pF on 1000 V range) Accuracy . . . . . . . . . . . . . . . . +/- 3% of full scale DC MILLIAMMETER Ranges . . . . . . . . . . . . . . . . 0-1, 0-10, 0-100, 0-1000 mA full scale Accuracy . . . . . . . . . . . . . . . . +/- 4% of full scale OHMMETER Ranges . . . . . . . . . . . . . . . . . R x 1, R x 100, R x 10k, R x 1M; 10? center scale Ohms Circuit Power Supply . . . . . . . 1.5 volts (C cell) Accuracy . . . . . . . . . . . . . . . . +/- 3% of full scale GENERAL Amplifier Circuit Power Supply - two 9-volt batteries or IPA-5280-1 Power Supply Meter . . . . . . . . . . . . . . . . . 4-1/2”, 100 uA, 100 degree movement Transistor-Diode Compliment 2 FET’s 2 silicon transistors 2 silicon diodes Dimensions . . . . . . . . . . . . . . . 5-3/4” high, 11” wide, 7-3/4” deep Net Weight . . . . . . . . . . . . . . . 3-1/2 lbs.