Peak lcr45 lcr meter with impedance measurement peak lcr45 p the peak lcr45 is a versatile hand held lcr analyser that can measure the value of your passive component inductor capacitor or resistor and also measure the detailed impedance in a number of modes p p the lcr45 offers enhanced measurement resolution better than 0 1uh whilst also giving you continuous fluid measurements additionally the test frequencies of dc 1khz 15khz and 200khz can be set to automatic or manual modes