Laboratory power supplies
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                                             Keithley 2220-30-1 Keithley 2220-30-1Two-channel bipolar power supply, 30 V, 1.5 A, 90 W From 74 802 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 bipolar laboratory power supply contains two channels with a linear way to stabilize the output voltage. 
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                                             Keithley 2220G-30-1 Keithley 2220G-30-1Two-channel bipolar power supply, 30 V, 1.5 A, 90 W From 82 452 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 laboratory bipolar power supply contains two channels with a linear way to stabilize the output voltage. 
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                                             Tektronix PWS4323 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) 
 The Tektronix PWS4323 programmable laboratory power supply with current and voltage regulation provides 32 Volts and 3 Amps with power up to 96 Watts. 
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                                             Tektronix PWS4602 Tektronix PWS4602Voltage 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) 
 The Tektronix PWS4602 voltage regulated power supply has manual and programmable modes for generating voltage up to 60 Volts and current up to 2.5 Amperes. 
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                                             Tektronix PWS4721 Tektronix PWS4721Voltage 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) 
 The Tektronix PWS4721 variable output power supply provides up to 72 Volts and up to 1.2 Amps with programmable capability. 
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