Third-party reference photograph of a Keithley 486 from Test Equipment Center. Background removed with an alpha-only manual mask. This low-resolution reference does not establish the offered unit condition, calibration or included accessories.
Third-party reference photograph of a Keithley 2430 from ValueTronics. Background removed with an alpha-only manual mask. The pictured display settings, terminals and condition are example-specific; this is not an offered-unit photograph.