ACE Instruments offers Flameproof Temperature Indicators. ACE Instruments offers products for various industrial process control instrumentation like pressure, temperature, relative humidity, etc. The Flameproof Temperature Indicators is used to measure temperature at Process Vessel or Single Reactor or Point in Flame Proof Area in FLP Aluminium LM-6 die-cast enclosure. It is provided with 3 ½ Digit 7 segment 0.5" High Super Bright Red L.E.D display. It offers Display Resolution: +/- 0.1 degree C and Accuracy: +/- 0.1 percent.