The Wavetek 1271 provides is a true systems multimeter, capable of taking 1000 readings per second, operating over a wide ambient temperature range, and making in-curcuit measurements. Yet it's more than accurate enough to satisfy the most demanding ATE requirements.
Wavetek 1271 - Option Descriptions
|10||True RMS High Speed AC Converter|
|20||2 Wire and 4 Wire Resistance Converter|
|80||115V, 60Hz Line Operation|