Keithley Instruments 175A

4.5 Digital Multimeter
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The Keithley Model 175A is a 4-1/2 digit LCD bench/portable digital multimeter. The Model 175A can make the following basic measurements.

1. DC voltage measurements from 10µV to 1000V.
2. Resistance measurements from 10mΩ to 200MΩ.
3. True RMS AC voltage measurements from 10µV to 750V.
4. DC current measurements from 10nA to 10A.
5. True RMS AC current measurements from 10nA to 2A.

In addition to the above mentioned measurement capabilities, the Model 175A can make DC and AC dB voltage measurements.


Some important Model 175A features include:

  • 4-1/2 Digits LCD display
  • Electroluminescent backlight
  • Fast autoranging
  • Bench or portable
  • Digital calibration
  • 0.03% Basic DC Accuracy
  • 100-Point Data Logging
  • True RMS ACV and ACA
  • dBm/Relative functions
  • Min/Max reading hold
  • Safety input jacks
  • 10A capability
  • 100kHz specified AC bandwidth

Options include:

  • Model 1758 Rechargeable Battery Pack
  • Model 173A IEEE-488 Interface
List of Options
1753 Rechargeable Battery Pack
1758 IEEE-488 Interface
53/58 Rechargeable Battery Pack and IEEE-488 Interface.
Specifications & Attributes (Multimeter)
Form Factor
GPIB ( /1758 )
Volts (AC)
Volts (DC)

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