I have a three wire RTD 100 probe and a BD-300 Isolating Signal Converter. I wired up the BD-300 like the datasheet said to, and the unit powers powers on and indicates that it has power (red LED is on). However I do not get a stable voltage from the output pins. I have my multimeter hooked up black to output pin 7 and red to output pin 8. The voltage that I get cycles from 0mv to about 400mv and then repeats.
If I read the center lead of the RTD (while hooked up and powered on) and an outside lead, I get about 110ohms which looking against this table tells me I'm in the ball park for the right temperature. So it seems like my probe is good to go.
The converter did come with a funny looking yellow resistor looking item with markings that I can't make out, bridging to the 4 and 6 input pins.
Any help with this or pointing me in the direction to do more reading would be greatly appreciated, my google searches have turned up nothing other than advertisements (I probably don't know the correct search terminology).
If it matters my end goal is to be able to read the temp value, accurate to 0.1 degree, and use it with a PID loop to control mash temperatures for homebrewing. So if there is an easier way to interface this probe, I'm all ears!