HP 3478A, 5.5 Digit DMM With HP-IB interfaceCondition:* Used, Powers On. Passes Self-Test. Sold As-Is. Additional Notes:* 5 Measurement Functions* Up to 90 Readings/s* Electronic Calibration* 100 Nanovolt Resolution* HP 3478A Provides a Low Cost, Full Function, Reliable DMM For System Measurements* Selectable 3 1/2 to 5 1/2 digit resolution and 5 autoranging functions offer flexibility in automated testing* The 3478A can measure DCV, true RMS ACV, 2- and 4-wire ohms, and dc and ac current* Simple, fast electronic calibration eliminates all adjustments to provide a lower cost of ownershipHP3478A