The Keithley Model 175-AV is a 4-1/2 digit LCD bench/ portable digital multimeter. The Model 175-AV can make the following basic measurements: 1. Dc voltage measurements from 10µV to 1000V. 2. Resistance measurements from 10mΩ to 200MΩ. 3. Ac voltage measurements from 10µV to 750V. 4. Dc current measurements from 10nA to 2A. 5. Ac current measurements from 10nA to 2A. In addition to the above mentioned measurement capabilities, the Model 175-AV can make dc and ac dB voltage measurements. FEATURES Some important Model 175-AV features include: • 4-1/2 digit LCD display • Fast autoranging • Bench or portable • Digital calibration • 100-point data logger • 0.03% basic dcV accuracy • Average responding acV and acA • dBm /Relative functions • Min/Max reading hold • Safety input jacks • 100kHz specified ac bandwidth