This probe is for 655, 301, 307, 303, 803 Length: 1.3" Diameter. .255" 7' Cale Probe is an active componet when installed. Electrical is 1 Mic. AMP per Degree kelvin.Non Resistave probe. This is not a 500 OHM probe.
Instruments - Probes And Senders - OAT
