If the photograph is clicked, it grows.

Keithley 428-PROG Current Amplifier
SOLD OUT sold
mul788

INPUT:
Range 10E3-10E11 V/A 1pA=100mV output
Voltage Burden:<200μV(18℃-28℃)for inputs<100μA
<10mV for inputs ≥ 100μA
20μV/℃ temperature coefficient.
Maximum Overload:100V on 10^4 to 10^11V/A ranges;10V on 10^3V/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.

BP-IB
AC 90-220V 45VA 90-213-397mm
Power Cord