The Murphy SPL Series is a mechanical gauge for temperature indication. It includes adjustable, electrical contacts that can be used for start and stop, to trip alarms and to shut down equipment.
SPL Series Temperature Gauge Specifications
Size
4 1/2 in (114 mm) dial gage
Temperature Range
15 to 250°F (9 to 121°C) through 260 to 450°F (127 to 232°C)