263 CALIBRATOR/SOURCE List Price: N/A Our Price: Request a quote or contact us Manufacturers: Keithley Condition: Used/Refurbished Add to Quote Requests TabsDescription Key Points Specifications RESPONSE TIME: <0.5 second to rated accuracy. OUTPUT RESISTANCE: <1Ω. SHORT CIRCUIT CURRENT LIMIT: <75mA. NOISE: <25ppm of range peak to peak in a 0.1Hz to 10Hz bandwidth. OUTPUT RESISTANCE: >10 ohm OUTPUT CAPACITANCE: <50pF