UE Explosion proof pressure ,vacuum ,Differtial pressure and temperature switch
Specification :

Storage temperature :
-65 to 160°F (-54 to 71°C)

ambient temperature limitS:
-58 to 160°F (-50 to 71°C); models 36-39, 520-525, 540-548, 701-705, 15834-15839:
0 to 160°F (-17 to 71°C); types 820E, 822E: -40 to 160°F (-40 to 71°C) set point
typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change;
less than 2% for types E121& E122
Set point repeatability:
Temperature models: Type B, C and F: ±1% of full scale range
Type E: ±2% of full scale range

Pressure models 126-164, S126B-S164B, 171-174, 270-274, 358-376, 520-535, 540- 
543, 560-564, 701-705, 15622, 15834,-15839: ±1% of full scale range; models 450- 
457, 550-559: ±1/2% of full scale range; models 36-39, 183-194, 483-494, 544-548,
565-567, 612-680, 15875: ±1-1/2% of full scale range