Description Specifications Literature Description This series of Ashcroft® industrial bimetal thermometers have a hermetic seal and an external adjustment in the rear of the case. As with other Ashcroft® industrial bimetal thermometers, it has a Maxivision® dial which eliminates parallax by placing the pointer on the same plane as the graduations. The connection locations are rear, lower and Every angle™. The hermetic seal prevents entry of moisture into the casing, thus minimizing the possibility of icing or fogging inside the case. The window stays clear, and with the Maxivision® dial, precise readings are certain.Features: Hermetically sealed External adjustment Maxivision® dial ±1% full-span accuracy (ASME B 40.3 Grade A) All-welded Stainless Steel construction Silicone on the coil provides vibration dampening and superior time response Heavy-duty glass standard; plastic or shatterproof glass optional State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Dial Size:3"Connection:1/2 NPTStem Length:4"Temperature Range:50-550°F Literature & Docs Product Specifications Accessories