Making Differential Probes

  
Using a modern multimeter to measure current can sometimes be difficult. Many of these meters will only measure up to one amp. However, may 112-volt DC powered projects draw a lot more than that. If you have ever thought of purchasing a commercial shunt to solve the problem, your know just how expensive they can be. Commercial shunts, while very precise, frequently cost more than the projects they are measuring!
Making Differential Probes - schematic




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