Solimeta 2.5" Bimetal Dial Thermometer, 0-250 deg F/-20-120 deg C, Lead-Free Brass Stem with Pocket

Product description Chemical and petrochemical industries Oil and gas industries Wastewater industries Adjustment If it is necessary to make an adjustment use a small screwdriver turn the slotted head at the back of stem until the pointer indicates the proper temperature on the dial Caution Bimetal thermometers operating below freezing must have a perfectly tight case to prevent entrance of moisture which eventually will condense and freeze inside the stem For this reason it is important to avoid damage to the glass front.