Beka Associates | <p>These UK designed and manufactured instruments include fourth generation models which have even larger displays, more digits and international certification complying with the latest standards for the hazardous area models. The range now includes increased safety Ex eb and Ex tb models which are a lower cost alternative for flameproof indicators, but have much larger easy to see displays.<br><br>Indicators can be supplied ready to install with customer specified calibration, scale and tag marking for no additional charge.</p>