Metal Protection Sleeve Type Industrial Glass Thermometers - China Marine Industrial Metal Case Glass Thermometer, Bimetal Thermometer | Made-in-China.com
SP Bel-Art, H-B DURAC Plus Pocket Liquid-In-Glass Laboratory Thermometer; -10 to 110C (0 to 220F), Closed Metal Case, Organic Liquid Fill (B60770-1800): Science Lab Non Mercury Thermometers: Amazon.com: Industrial & Scientific
Series IT | Industrial Thermometer allows user to easily take accurate temperature measurements in any environment. Blue organic fill is non-toxic and allows user to better see the temperature reading. | Dwyer