Mounted on plastic housing With metal floats at top of each column One float remains at maximum temperature while the other float remains at minimum temperature Organic liquid filled Reset floats by pushing the reset button Temp.: -35°/50°C (-30°/120°F) Divisions: 1°C/2°F Accuracy: 1°C at ambient; 2° at -30°C Tolerance between limbs: 1.5°C Order Info Length: 200mm