IB-5281 RCL Bridge The Heathkit IB-5281 RCL Bridge is a general purpose instrument that can be used to check the value of resistors, inductors, and capacitors. Terminals are provided on the front panel for the component under test (Zx), and an external standard (Zs). SPECIFICATIONS Resistance Ranges . . . . . 10 ohms to 10M ohms in three ranges Capacitance Ranges . . . . . 10 pF to 100 uF in three ranges Inductance . . . . . . . . . 10 uH to 100 H in three ranges Oscillator Frequencies . . . 1 kHz, 10 kHz, 100 kHz External Standard Range) . . 1:1 to 10:1 Power Supply) . . . . . . . (2) 9-volt batteries and/or IPA-5280-1 Power Supply Dimensions . . . . . . . . . 11” wide, 5-3/4” high, 7-3/4” deep Net Weight . . . . . . . . . 3-1/2 lbs.