True-RMS Digital Voltmeter
The 8922A True-RMS Digital Voltmeter is an ac voltmeter with 4 digit display, autoranging, and BNC input. It also has an analog display for peak/null adjustments. The bandwidth is 2Hz to 11MHz.

Manufacturer's
Options

Option 03 = Counter Output
Option 521 = PTI Interface
Option 521K = PTI Interface field-installable
Option 522K = 1120A Interface field-installable
Option 529 = IEEE-488 Interface