SURVEY EQUIPMENT GNSS – DGPS – GPS – RTK HANDHELD GPS UAV – DRONE – FLYCAM LASER SCANNER MANUAL TOTAL STATION ROBOTIC TOTAL STATION THEODOLITE LASER LEVEL AUTO LEVEL DIGITAL AUTO LEVEL MEASURE DISTANCE DETECTION SYSTEM ECHO SOUNDER SIDE SCAN SONAR MOTION SENSOR ACCESSORIES DETECTION SYSTEM Detection Systems and Engineering offers annual service policies, preventative maintenance contracts, and standard service calls which are billed on a ‘time and material’ basis.