KEITHLEY 228A 100 V / 10 A PROGRAMMABLE VOLTAGE/CURRENT SOURCES WITH TERMINAL CARD!
It was just calibrated. Date due 10/18/18. The unit is good cosmetic condition. It may have a small scratch here or there. THE TOP COVER HAS SOME SCRATCHES AND MARKS ON IT (SEE PICTURE). All buttons, knobs, and switches are good and intact. The serial # is 510036. Will works with 120 & 240 voltage. NO options are marked.
WE WILL RE-CALIBRATED THE UNIT BEFORE SHIPPING AND A NIST TRACEABLE CALIBRATION CERTIFICATE, WILL BE PROVIDED AFTER ITEM IS RECEIVED AND IS ACCEPTED AS WORKING WITH IN SPECS. WE WILL MAIL OUT THE CERTIFICATE. THE RE-CALIBRATION DELAYS THE SHIPPING TIME THREE (3) DAYS.
RE-CALIBRATION MEANS, WHEN YOU BUY THE EQUIPMENT, IT WILL BE FULLY TESTED FROM THE LOWEST TO HIGHEST FREQUENCY, dB MEASUREMENTS, ALL FUNCTIONS, AND ALL SETTINGS. NIST STANDARDS ARE USED TO CHECK THE EQUIPMENT READINGS. IT IS WITHIN THE MANUFACTURER’S SPECIFICATIONS FOR THIS PIECE OF EQUIPMENT.
The Keithley 228A is capable of bipolar source or sink up to a full 100 watts without derating, permitting it to act as a voltage or current supply or as an active load. 4 Quadrant Operation.
SPECS: *** 100 watt source or sink *** < 1ms transient recovery *** Built-in voltage and current monitors. Output Resistance (maximum) - *** 100 V Range: 10 m ohms. *** 10 V Range: 100 µ ohms. *** 1 V Range: 100 µ ohms. Output Inductance - 100 µ H typical Sensing -
REMOTE or LOCAL. Output Resistance (min) - *** 10 A Range: 104 ohms *** 1 A Range: 10 5 ohms *** 0.1 A Range: 106 ohms Output Capacitance - 0.2 µ F typical Output Load - Must be non-inductive
CURRENT MONITOR OUTPUT: *** Scale Factor - 1 V = 100% of range *** External Modulation *** Sensitivity - -10V increases magnitude of programmed output by 100% full scales; + 10 V decreases magnitude of programmed output by 100% of full scale *** Modulation Frequency - 600 Hz bandwidth
GENERAL: *** Display - Dual 3˝-digit LED (0.5 in) displays indicate programmed values in Standby and output values in Operate *** Program Memory (battery backed-up) - Stores up to 100 output settings. *** Range of Dwell Times: 10 ms to 1000 s *** Output Connections - Quick disconnect card with screw terminals for output, modulation, current monitor, and external sense. BNC (chassis isolated) connectors for TRIGGER IN/OUT.
You get Keithley 228A Sources, Terminal card on back, Instruction Manual on CD, and Power Cord. NO more. Again, it was tested and works fine! GET THIS GREAT WORKING CALIBRATED, KEITHLEY 228A 100 V / 10 A PROGRAMMABLE VOLTAGE/CURRENT SOURCES WITH TERMINAL CARD TODAY!
Buy from an experienced seller. Buyer pays $60.00 shipping in 48 states with insurance. We will bubble wrap it great and put in a double wall box for safe shipping.
WE SELL OVERSEAS ON MY WEB SITE!