lab equipments- supply, testing, installation and commissioning of equipment- lab testing- field testing etc for rrnmu. , lab equipments – supply, delivery installation and commissioning of equipment- lab testing- field testing etc for rrnmu, bhopal , distance measuring device:-vehicle mounted distance meters , surface irregularity:-merlin surface irregularity, merlin the principle is based on travelling straight edge and is for measuring , marking and recording irregularities of roads and runways pavement of both concrete and bituminous material modified roughness indicating machine which is simple to measure roughness also called merlin- machine for evaluating roughness using low-cost instrumentation. ( detailed specification as per trl, rr 301. ) , measuring the temperature:- digital thermometer digital thermometer – range: 50degree c-280 degree c , undulation recording device:-straight edge and metric wedge straight edge and metric wedge 3 meter staight edge and metric wedge , distance measuring device:-walking measuring wheel – manual walking measuring wheel – manual small wheel of known circumference to indicate distance travelled i ) through mechanical meter , distance measuring device:-walking measuring wheel –digital walking measuring wheel – digital small wheel of known circumference to indicate distance travelled ii ) through a digital meter , soil sampler:-auger sampling equipment auger sampling equipment handle, extension rod, jarring link, stainless steel tube 38x230 mm length , axle weighing device:-portable axle weigh pad portable axle load pad capacity for single wheel – 20 tons. designed for heavy duty trucks. maximum overload: 25 tons approx. ultimate overload: 28 tons approx. platform size – 670x560x28mm approx. ( body weight 30kgs approx ) low profile: 28mm height approx. battery backup in working upto 72hrs. ( max ) temperature tolerance: 1°c to 50°c ( working temperature ) power requirement: 220v ac / 12v dc high accuracy: 2% shielded wire connectors ( operational in harsh condition ) . calibration certificate. operating manual. digital load indicator with led display rubberised ramps with wire shielding inside for heavy duty trucks.