Teledyne LeCroy CP030-3M and CP150-6M Current Probes. Teledyne LeCroy CP Series current probes are often used in applications such as the design and test of switching power supplies, motor drives, electric vehicles, and uninterruptible power supplies. Teledyne LeCroy current probes do not require the breaking of a circuit or the insertion of a shunt to make accurate and reliable current measurements. Based on a combination of Hall effect and transformer technology, Teledyne LeCroy current probes are ideal for making accurate AC, DC, and impulse current measurements. CP030-3M (RS 136-8332). Current Meter, Clamp/Probe (Add On) CAT I 300V Measures AC, DC Current to 30A, 10 MHz. CP150-6M (RS 136-8333). Current Meter, Clamp/Probe (Add On) 600V CAT III, 300V CATIII Measures AC, DC Current to 150A RMS, 10 MHz