Fluke Calibration 5609-BEND-J Secondary PRT Probe, 100 Ohm, Bend, Banana Plugs
If you want a very stable thermometer from -200 C to 670 C and are particular about the calibration, then look no further than Fluke Calibration 5609-BEND-J Secondary PRT Probe, 100 Ohm, 90 degree bend and banana plugs. It's short-term stability at the triple point of water is only +/-10 mK. This probe has Inconel sheath and is made using a special manufacturing process, giving it great precision over a wide temperature range. The sensor for this probe is reference-grade platinum and feature four-wire connections with less noisy measurements than two-wire counterparts.