For those of you doing TRIS calibration for #CarbonateChemistry, what temperature probe do you use? We've been using this: https://fishersci.com/shop/products/traceable-platinum-ultra-accurate-digital-thermometer/15081102 but it breaks yearly.
Fisherbrand Traceable Platinum Ultra-Accurate Digital Thermometer - Thermometers and Temperature Measurement, Digital Thermometers

High-precision unit is designed for years of reliable service—even in the severest environments.