The PTFE tubing is not included in parts list above. I suggest you add it with a photo. The reason for making this suggestion is that the tubing in my kit is blue, rather than white. I’m therefore not certain that this the correct tubing to use.
My heater cartridge does not have bare wires exposed as shown in the photo above. The wires are encased in a connector housing that is not accessible to the DVM probes. Suggest you show a photo of cartridges having this configuration and that you provide a recommendation/approach on how to make the required measurement.
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