Marsh Bellofram bi-metal thermometers merge the advantages of cost-effective dependability for locally mounted temperature indication necessities in dual scale ranges from -50° to +1,000°F. The unit has a completely welded abrasion and wear resistant 304 stainless steel assembling. There is also a highly sensitive bi-metal detection element which offers measurement precision of nearly ±1% of full scale. The privately sealed and durable built casing is shock, vibration, dust and moisture resistant. With a general characteristic of integrated over-limit protection, the externally flexible screw on the rear end of the 3″ and 5″ cases offers user-friendly reset and field regulation. There are benefits provided by Series L bi-metal thermometers like a user-friendly readable dual scale with quick response and precise temperature indication.