The ProtEX-MAX Series has been designed to offer the functions and features of any ProVu®, Trident X2 , Snooper, or Vigilante® II model in a great looking explosion-proof housing. However, the PD8 series is not just an 1/8 DIN meter mounted in an explosion-proof housing. A special bezel and electronics were designed exclusively for the ProtEX-MAX. The bezel and faceplate give the front panel a very finished appearance and house the additional electronics for the PD8. Program and operate the meter without opening the housing using the built-in SafeTouch® through-glass button programming or the serial communication port with free Modbus® protocol.