Quick, simple 10µA bias for Lakeshore DT-670 temperature sensor
Expected diode voltage 1.5785V at 4.2K
(Helium head temperature will depend on compression, in closed-loop cryocooler.)
A precision benchtop voltmeter is preferred for voltage readout.
Temperature range 1.4K - 420K (500K for some, depends on Lakeshore packaging type)
Lakeshore temperature lookup table: