Keithley 250X RevA DocSpec free download

File name 250X_RevA_DocSpec.pdf

2500 and 2502 Dual Photodiode Meters The Models 2500 and 2502 Dual Photodiode Meters can measure and display GENERAL either photodiode current or optical power for two photodiodes with appro- priate user-supplied optical power gain/wavelength calibration factors. Typical Noise Floor Measurement Specification6 TYPICAL NOISE FLOOR The Model 2502 includes an analog output jack on the rear panel for each RMS (1 STDEV), 100 SAMPLES channel. RANGE 0.01 NPLC 0.1 NPLC 1.0 NPLC 10 NPLC 2.000000 nA 2 pA 1 pA 40 fA 15 fA 20.00000 nA 2 pA 1 pA 40 fA 15 fA Measurement Specifications 200.0000 nA 200 pA 100 pA 2 pA 500 fA 2.000000