Keithley 428-PROG Current Amplifier
SOLD OUT sold
amp220








INPUT: Range 10E3-10E11 V/A 1pA=100mV output Voltage Burden:<200μV(18C-28C)for inputs<100μA
<10mV for inputs ≥ 100μA
20μV/C temperature coefficient.
Maximum Overload:100V on 10E4 to 10E11 V/A ranges;10V on 10E3V/A range.
Higher voltage sources must be current limited at 10mA.
Current Suppression +-5nA-+-5mA
OUTPUT:
Range:±10V,1mA;bias voltage off.
Impedance:<100Ω DC-175kHz.

LOW PASS FILTER:
Ranges:10μs to 300ms(+-25%)in 1,3,10sequence or OFF.
Attenuation:12dB/octave.

GP-IB
AC 90-220V 45VA 90-213-397mm