Optomech Engineers Pvt. Ltd. Offers Digital Measuring Systems Tungsten Halogen Lamps. Optomech Engineers Pvt. Ltd. Manufactures Precision Optical and Optoelectronic Measuring Instruments, several optical based accessories for CNC and conventional machine tools. The Digital Measuring Systems Tungsten Halogen Lamps has Computerised DRO System with Geometric Functions and Graphical User Interface 15" inches LCD Monitor, keyboard and Mouse. The Digital Measuring Systems Tungsten Halogen Lamps has 360A° rotary encoder LC of 1 ` of an arc with digital display.