Profile: Spinlab Utility Instrumentation, Inc. specializes in electronic industry. Our product line includes nonferrous flexible core AC current coil probe, 2x2 high voltage probe kit, plug in meter base adapters and extension cables. Our nonferrous flexible core AC current coil probe is a bundle of cables or a bus bar with a typical split-core current transformer. The transformer is operated in the range from 10A & 3000A and also designed with a 7 inch dual probe. Our mini probe with 10' cable is a clothespin sized and shaped instrument transformer for measuring the secondary current when there is no test switch.