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The Keithley 228 Voltage/Current Source is a versatile four-quadrant source/sink capable of delivering up to 100W in any quadrant, supporting both constant voltage and constant current modes. It includes front panel and IEEE control, external modulation, a built-in monitor, and a 100-point data memory for storing voltage, current, and dwell time values. Output terminals are on a quick disconnect board for convenient maintenance and setup.
Features flexible front panel input via keypad or display modify function, allowing precision adjustments with carry, borrow, and auto-repeat capabilities. Perfect for lab and automated environments requiring programmable precision power.
Testwall can supply the used Keithley 228, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keithley 228.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
