Jandel RM3000+ Test Unit
The Jandel RM3000+ Test Unit is a constant current source and digital voltmeter, supplying constant currents between 10nA and 100mA, and measuring voltages from 0.001mV to 1000mV.
Jandel test units
Jandel Engineering Limited manufacture three Test Units designed specifically for four point probe measurements.
Jandel ResTest Test Unit
The Jandel ResTest Test Unit is a constant current source and digital voltmeter with colour screen, supplying constant currents between 1uA and 10mA, and measuring voltages from 0.04mV to 4000mV.
Jandel HM21 Test Unit
The Jandel HM21 Test Unit is a constant current source and digital voltmeter, supplying constant currents between 100nA and 10mA, and measuring voltages from 0.01mV to 1250mV.