Portable meters are housed in Heat resistant grade ABS moulded case with carrying belt and unique flap to protect glass from damage. The movement is magnetically shielded and suspended between spring loaded sapphire bearing jewels. Non-flying type insulated knob with provision for plug entry is provided. Knife-edged pointer and anti-parallel mirror is provided to avoid reading errors. Each meter conforms to I.S. 1248 and is supplied with a routine test certificates carried as per I.S.1248. Scale length is 150mm and Accuracy is 1% of Full Scale Value.