Keithley 2657A

In this section:
General ratings ......................................................................... 2-1
Controls, indicators, and connectors ........................................ 2-2
Cooling vents ........................................................................... 2-7
Turning your instrument on and off .......................................... 2-7
System information .................................................................. 2-9
Menu overview
....................................................................... 2-10
Beeper ................................................................................... 2-16
Display mode ......................................................................... 2-16
Basic operation ...................................................................... 2-17
DUT test connections ............................................................. 2-41
DUT connection settings ........................................................ 2-64
USB storage overview ............................................................ 2-70
Displayed error and status messages .................................... 2-72
Range .................................................................................... 2-72
Digits ...................................................................................... 2-77
Speed ..................................................................................... 2-78
Remote communication interfaces ......................................... 2-79
General ratings
The Model 2657A instrument's general ratings and connections are listed in the following table.
Category Specification
Supply voltage range 100 V AC to 240 V AC, 50 Hz or 60 Hz
Input and output connections See Rear panel (on page 2-5)
Environmental conditions For indoor use only:
Altitude: Maximum 2000 meters (6562 feet) above sea level
Operating: 0 °C to 50 °C (32 °F to 122 °F), 70% relative humidity up to 35 °C.
Derate 3% relative humidity/°C, 35 °C to 50 °C (95 °F to 122 °F)
Storage: −25 °C to 65 °C (−13 °F to 149 °F)
Section 2
General operation