If your sensor is at the drain of the oil tank, that is going to be very close to the same as a dipstick oil temp gauge.
If your sensor is at the drain plug found on the bottom of the engine, that temperature is going to be quite a bit hotter than at the tank. That is right below where the oil is being squirted onto the bottom of the pistons, which is where a huge amount of the heat comes from that is being absorbed by the oil.
Kevin
Thanks Kevin, your response and info is much appreciated.
Ron