Model 2231A-30-3 Triple-channel DC power supply Reference Manual Section1:Introduction
077100401/September 2014
1-3
Optional accessories
Optional accessory
Model number
USB communication adapter
2231A-001
Available services
For the current list of available services and accessories, upgrades, and options for your instrument,
visit the Keithley Instruments website (
Service
Model Number
3-year factory warranty extended to 5 years from date of shipment
2231A-30-3-5Y-EW
3-year factory warranty extended to 1 additional year from date of
shipment
2230A-30-3-EW
General ratings
The Model 2231A-30-3 instrument's general ratings and connections are listed in the following table.
When the mains power supplied to the Model 2231A-30-3 exceeds 253 V, the maximum operating
time at maximum output power is 1 hour. At the supply voltage range of 110 V, when the mains
power exceeds 132 V, the maximum operating time at maximum output power is 1 hour.
Category
Specification
Supply voltage range
•
110: 110 V-120 V
•
220: 220 V-230 V
Each range capable of +/-10% tolerance, 47 to 63 Hz.
Selectable by the line-voltage selector switch in the rear panel.
Environmental conditions
For indoor use only
Operating:
0 °C to 40 °C (32 °F to 104 °F), 5% to 80% relative humidity
at up to 40 °C (104 °F)
Storage:
−
20 °C to 70 °C (-4 °F to 158 °F)
5% to 80% relative humidity at up to +40°C (104 °F) and 5% to 60%
relative humidity above +40°C (104°F) up to +70°C (158°F)
Pollution degree:
2