Thomas Enviro-Safe Precision General Purpose Liquid-In-Glass Thermometer, 305mm Length, -10 to 225 C, Total Immersion Review

Enviro-Safe liquid is EnviroKleen certified by ChemTel, an independent laboratory. Thermometers are comparable in accuracy to mercury filled thermometers, but are 100 percent environmentally safe, tested and calibrated in a triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST...