Linear laboratory power supplies
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Expert selection
Keithley 2231A-30-3Inexpensive linear power supply, 3 channels, 30 V, 195 W
From 54 120 UAH
On order
Product code: 3020009
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The Keithley 2231A-30-3 transformer power supply contains three independent channels with a total power of 195 Watts.
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Expert selection
Keithley 2230-30-1Three-channel bipolar power supply, 30 V, 5 A, 120 W
From 81 180 UAH
On order
Product code: 3020027
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230-30-1 laboratory linear power supply contains three channels with a linear way to stabilize the output voltage.
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Expert selection
Keithley 2230-30-6Linear isolated power supply, 3 channels, 30 V, 375 W
From 118 902 UAH
On order
Product code: 3020011
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
Keithley 2230-30-6 transformer laboratory power supply contains three galvanically isolated channels with a minimum level of ripple.
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Expert selection
ITECH IT6831Linear laboratory power supply, 18 V, 10 A, 180 W
From 21 324 UAH
On order
Product code: 3020005
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
Thanks to the linear stabilization method, the ITECH IT6831 model provides a clean output voltage up to 18 V without ripple.
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Expert selection
ITECH IT6833
Linear laboratory power supply, 72 V, 3 A, 216 W
From 21 324 UAH
On order
Product code: 3020007
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
Thanks to the linear stabilization method, the ITECH IT6833 model provides a clean output voltage up to 72 V without ripple.
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Keithley 2220-30-1Two-channel bipolar power supply, 30 V, 1.5 A, 90 W
From 72 162 UAH
On order
Product code: 3020025
Number of channels (DC): 2
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2220-30-1 transformer power supply contains two channels with a linear way to stabilize the output voltage.
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ITECH IT6821
Linear laboratory power supply, 18 V, 5 A, 90 W
From 15 990 UAH
On order
Product code: 3020001
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The ITECH IT6821 transformer power supply delivers up to 18 V clean output with minimal ripple.
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Keithley 2220G-30-1Two-channel bipolar power supply, 30 V, 1.5 A, 90 W
From 79 542 UAH
On order
Product code: 3020026
Number of channels (DC): 2
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2220G-30-1 linear laboratory transformer-type power supply contains two galvanically isolated channels.
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Keithley 2230-30-3Linear isolated power supply, 3 channels, 30 V, 195 W
From 98 400 UAH
On order
Product code: 3020010
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230-30-3 transformer laboratory power supply provides clean output voltage with minimal ripple.
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ITECH IT6822
Linear laboratory power supply, 32 V, 3 A, 96 W
From 15 990 UAH
On order
Product code: 3020002
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The ITECH IT6822 transformer power supply delivers clean output up to 32 V with minimal ripple.
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Keithley 2230G-30-1Three-channel bipolar power supply, 30 V, 5 A, 120 W
From 88 560 UAH
On order
Product code: 3020028
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230G-30-1 laboratory transformer power supply contains three channels with a linear way to stabilize the output voltage.
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Keithley 2230-60-3Linear isolated power supply, 3 channels, 60 V, 375 W
From 118 902 UAH
On order
Product code: 3020012
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230-60-3 linear power supply contains three galvanically isolated channels with a total power of 375 Watts.
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ITECH IT6823Linear laboratory power supply, 72 V, 1.5 A, 108 W
From 15 990 UAH
On order
Product code: 3020004
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The ITECH IT6823 transformer power supply delivers clean output up to 72 V with minimal ripple.
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ITECH IT6832
Linear laboratory power supply, 32 V, 6 A, 192 W
From 21 324 UAH
On order
Product code: 3020006
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
Thanks to the linear stabilization method, the ITECH IT6832 model provides a clean output voltage up to 32 V without ripple.
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ITECH IT6834
Linear laboratory power supply, 150 V, 1.2 A, 180 W
From 22 554 UAH
On order
Product code: 3020008
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
Thanks to the linear stabilization method, the ITECH IT6834 model provides a clean output voltage up to 150 V without ripple.
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Tektronix PWS4205Voltage regulated power supply, 20 V, 5 A, 100 W
Price on request
Not available
Product code: 3020020
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
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Tektronix PWS2185Single channel regulated power supply, 18 V, 5 A, 90 W
Price on request
Not available
Product code: 3020016
DiscontinuedRecommended replacement: Keithley 2231A-30-3
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The Tektronix PWS2185 transformer power supply provides clean output voltage up to 18V at current up to 5A.
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Tektronix PWS4305
Voltage regulated power supply, 30 V, 5 A, 150 W
Price on request
Not available
Product code: 3020021
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
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Tektronix PWS2323Single channel regulated power supply, 32 V, 3 A, 96 W
Price on request
Not available
Product code: 3020017
DiscontinuedRecommended replacement: Keithley 2231A-30-3
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The Tektronix PWS2323 linear power supply allows you to regulate voltage up to 32 V and current up to 3 A.
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Tektronix PWS4323Voltage regulated power supply, 32 V, 3 A, 96 W
Price on request
Not available
Product code: 3020022
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
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Tektronix PWS2721
Single channel regulated power supply, 72 V, 1.5 A, 108 W
Price on request
Not available
Product code: 3020018
DiscontinuedRecommended replacement: Keithley 2231A-30-3
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The transformer power supply Tektronix PWS2721 provides precise regulation of current and voltage (up to 1.5 Amperes and up to 72 Volts).
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ITECH IT6822L
Linear laboratory power supply, 32 V, 3 A, 96 W
Price on request
Not available
Product code: 3020003
Recommended replacement: ITECH IT6822
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The ITECH IT6822L transformer power supply delivers clean output voltage up to 32 V with minimal ripple.
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Tektronix PWS4602
Voltage regulated power supply, 60 V, 2.5 A, 150 W
Price on request
Not available
Product code: 3020023
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
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Tektronix PWS2326
Single channel regulated power supply, 32 V, 6 A, 192 W
Price on request
Not available
Product code: 3020019
DiscontinuedRecommended replacement: Keithley 2231A-30-3
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: No
Built-in devices: Multimeter (DMM)
The Tektronix PWS2326 laboratory linear power supply provides precise voltage regulation up to 32V and current up to 6A.
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Tektronix PWS4721
Voltage regulated power supply, 72 V, 1.2 A, 86 W
Price on request
Not available
Product code: 3020024
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 1
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
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Keithley 2230G-30-3Transformer power supply, 3 channels, 30 V, 195 W
Price on request
Not available
Product code: 3020013
DiscontinuedRecommended replacement: Keithley 2230-30-3
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230G-30-3 laboratory transformer power supply contains three channels isolated from each other with a total power of 195 Watts.
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Keithley 2230G-30-6Transformer power supply, 3 channels, 30 V, 375 W
Price on request
Not available
Product code: 3020014
DiscontinuedRecommended replacement: Keithley 2230-30-6
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230G-30-6 linear laboratory power supply provides a stable output voltage of up to 30 Volts and a current of up to 6 Amps.
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Keithley 2230G-60-3Transformer power supply, 3 channels, 60 V, 375 W
Price on request
Not available
Product code: 3020015
DiscontinuedRecommended replacement: Keithley 2230-60-3
Number of channels (DC): 3
Operating principle: Linear
4-wire sensing: Yes
Built-in devices: Multimeter (DMM)
The Keithley 2230G-60-3 transformer power supply provides up to 60 Volts of clean output in 1 mV steps.
General information
This page presents transformer laboratory power supplies, which, thanks to the linear stabilization method, provide a clean output voltage and current without high-frequency ripple. We offer all types of linear power supplies: single output, two outputs, three outputs, programmable and others. See the full list of models here: laboratory power supplies.