Datasheet

DC POWER SUPPLIES
2231A-30-3
195W Triple Channel DC Power Supply
Specifications
DC OUTPUT RATING
Channel 1 Channel 2 Channel 3
Voltage
0–30 V 0–30 V 0–5 V
Current
0–3 A 0–3 A 0–3 A
MAXIMUM POWER: 195W
LOAD REGULATION:
Voltage: ≤0.02% + 4mV
Current: ≤0.2% + 3mA
LINE REGULATION:
Voltage: ≤0.02% + 4mV
Current: ≤0.2% + 3mA
RIPPLE AND NOISE (20Hz–20MHz):
Voltage: ≤1mVrms/≤5mVp-p
Current: ≤6mArms
SETTING RESOLUTION:
Voltage: 10mV
Current: 1mA
SETTING ACCURACY:
Voltage: ≤0.06% + 20mV
Current: ≤0.2% + 10mA
READBACK RESOLUTION:
Voltage: 10mV
Current: 1mA
READBACK ACCURACY:
Voltage: ≤0.06% + 20mV
Current: ≤0.2% + 10mA
ISOLATION VOLTAGE, OUTPUT TO CHASSIS: Any output can
be isolated up to 240V (DC + peak AC with AC limited to a
maximum of 3Vpk-pk and a maximum of 60Hz) relative to the
earth ground terminal.
ISOLATION VOLTAGE, OUTPUT TO OUTPUT: Any output can
be isolated up to 240V (DC + peak AC with AC limited to a
maximum of 3Vpk-pk and a maximum of 60Hz) relative to
any other output terminal.
TRACKING AND COMBINATION MODES:
Tracking Mode: Maintains the ratio on the two 30V output
channels that is present when the control is activated.
Combination V1 + V2 Series Mode: Deliver up to 60 V
when CH1 and CH2 are wired in series. Meter reads back
combined voltage.
Combination I1 + 12 Parallel Mode: Deliver up to 3 A
when CH1 and CH2 are wired in parallel. Meter reads back
combined current.
GENERAL
MEMORY: 30 setup memory locations.
OUTPUT TIMER RANGE: 0.1s to 99999.9s.
DISPLAY: Vacuum fluorescent display.
CONNECTIONS:
Front: Power output jacks: 3-sets, safety-shrouded
banana jacks.
Rear: DB9 connector for remote control,
OVERTEMPERATURE PROTECTION: If the internal
temperature of the supply exceeds 85°C, the supply will
automatically turn off.
EMC COMPLIANCE: Conforms to European Union EMC
Directive.
SAFETY COMPLIANCE: Conforms to European Union Low
Voltage Directive.
POWER LINE RATINGS: 110VAC/230VAC ±10%.
POWER LINE FREQUENCY: 47Hz–63Hz.
MAXIMUM POWER CONSUMPTION: 750VA.
OPERATING ENVIRONMENT: 0° to 40°C, 5% to 80% rela-
tive humidity at up to 40°C.
STORAGE ENVIRONMENT: –20° to 70°C, 5% to 80%
relative humidity up to 40°C, and 5% to 60% relative
humidity from 40° to 70°C.
PHYSICAL CHARACTERISTICS
Height: 88.2 mm ( 3.5 in)
Width: 214.5 mm ( 8.5 in)
Depth: 354.6 mm (14 in)
Net Weight: 7.10kg (15.7 lbs.).
Shipping Weight: 9.40kg (20.7 lbs.).
WARRANTY: 3 years.
Model 2231A-30-3 rear panel showing
the communication port, line power
setting switch, and the power input
connector with fuse holder.
Specifications are subject to change without notice. All Keithley trademarks and trade names are the property of Keithley Instruments.
All other trademarks and trade names are the property of their respective companies.
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© Copyright 2014 Keithley Instruments No. 3270 8.5.14
Model 2231A-30-3 specifications
Models 2220 and 2230 specifications