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The Best Keithley 2220-30-1
Keithley 2220-30-1
The Keithley 2220-30-1 Dual-Channel Programmable Power Supply features channels that are completely independent and isolated from each other. As a result, this power supply can be used to provide power to two circuits that are optically isolated, or transformer-isolated from each other and have different reference points. Its isolated channels eliminate the need for a second power supply to power one of the isolated circuits.
Additionally, each channel can be independently controlled, so channels can be individually turned on and turned off at any time. Thus, this power supply can be used to power up a circuit with multiple voltage levels (such as a digital circuit) that must be turned on in a specified time sequence. Furthermore, the timer capability allows you to set up unattended tests that turn off the channels after a programmed time interval to protect a device-under-test (DUT) from potential damage due to the continuous application of power beyond a recommended time interval. Both isolated and independent channels provide excellent versatility and flexibility to address a wide range of test applications.
Accurate Power Delivery to the Load
With basic voltage setting accuracy and voltage readback accuracy of 0.03% for each channel, the exact voltage programmed for any channel is applied at the output terminals. Plus, the rear panel connections for each channel include remote sense terminals that compensate for voltage drops in the power supply leads. This helps to ensure that the correct voltage is delivered accurately to the load terminals of the DUT. Many other multi-channel power supplies do not provide remote sensing, which reduces overall system accuracy. Great accuracy is not limited to voltage; the basic current setting and readback accuracy is 0.1%, providing high quality load current measurements. Also, with less than 3mV p-p noise, the power applied to the DUT’s load terminals is both accurate and of high quality.
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Description
Keithley 2220-30-1
Product Features:
Two 30V/1.5A output channels
90W maximum power
All channels independently controlled and have isolated outputs for maximum flexibility
All channels have remote sensing to ensure that programmed voltage is accurately applied to the load
Two 30V channels can be combined either in series to double output voltage or in parallel to double output current
0.03% basic voltage output accuracy and 0.1% current accuracy ensure quality test data
Low noise, linear regulation with less than 3mVpp ripple and noise
Voltage and current outputs for all channels are displayed simultaneously for easy observation of each output state
Keypad entry allows fast, precise entry of output values
USB interface standard on all versions for remote control. Accurate Power Delivery to the Load
With basic voltage setting accuracy and voltage readback accuracy of 0.03% for each channel, the exact voltage programmed for any channel is applied at the output terminals. Plus, the rear panel connections for each channel include remote sense terminals that compensate for voltage drops in the power supply leads.
This helps to ensure that the correct voltage is delivered accurately to the load terminals of the DUT. Many other multi-channel power supplies do not provide remote sensing, which reduces overall system accuracy. Great accuracy is not limited to voltage; the basic current setting and readback accuracy is 0.1%, providing high quality load current measurements. Also, with less than 3mV p-p noise, the power applied to the DUT’s load terminals is both accurate and of high quality.
Excellent accuracy, remote sensing, and a wide power output range make the 2220-30-1 an essential test instrument, both on the bench and in test systems. Its ability to generate a wide range of output power and measure a wide range of load currents is supported with:
- Maximum output power of 45W on the 30V channels
- Maximum output power of 30W on the 6V channel
- Voltage setting and reading resolution of 1mV
- Current setting and reading resolution of 1mA
- Configure the Channels to Double Output Voltage or Current or Create Bipolar Power Supplies
