This Adapter easily provides an interface to a standard 10 Megohm meter with the correct 1.111 Meg adapter resistor at a high precision. For use with all North Star Oscilloscope probes. We adjust this before shipment but it may be readjusted if that is ever required. This unit is capable of achieving sufficient accuracy to maintain the DC accuracy specification. A fine adjustment is provided which is easily used with any meter with an ohms function. Price includes Post Office Shipping.