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With the EM 2040 MKII series, Kongsberg Maritime upgraded the hardware and software to increase the swath and improve the data quality of the EM 2040 series.\n\nThe EM 2040 MKII operates from 200 to 400 kHz, and the operator can change the operating frequency on the fly: 300 kHz for near bottom work, 200 kHz for deeper waters and 400 kHz for very high resolution inspection. The output sample rate is up to 60 kHz, and the shortest pulse of 14 microseconds gives a raw range resolution (CT\u002F2) of 10.5 mm. The EM 2040 MKII uses both CW and FM chirp pulses. Angular coverage at 200 and 300 kHz is up to 170°, or up to 7.5 times water depth on a flat bottom, and a dual transducer system achieves 200° or 10 times water depth on a flat bottom.\n\nIn the datasheet coverage example (rock bottom, BS = −10 dB, NL = 45 dB, FM mode), maximum depth in cold ocean water at 200 kHz is 635 m with the EM 2040-04 transmitter and 600 m with the EM 2040-07 transmitter, and maximum coverage with dual RX is 980 m and 930 m respectively. In cold fresh water at 200 kHz, maximum depth is 1360 m (EM 2040-04) and 1300 m (EM 2040-07).\n\nThe EM 2040 MKII is listed with a TX EM 2040-04 transmitter (727 × 142 × 150 mm, 45 kg), a TX EM 2040-07 transmitter (407 × 142 × 150 mm, 23 kg) and an RX receiver (407 × 142 × 136 mm, 22 kg), plus a Processing Unit (2U for 19\" rack) and a Portable Processing Unit (IP67), each 10.5 kg. The EM 2040 MKII provides 512 beams per ping with a single RX, and dual swath (optional) raises this to 1024 beams with a single RX or 1600 beams with a dual RX. Listed features include seabed image, water column logging and display, extra detections, roll, pitch and yaw stabilisation and nearfield focusing on transmit and receive.",[235,236,237,238,239,240],"Frequency range 200–400 kHz, max ping rate 50 Hz","Swath up to 170° single RX, 200° dual RX","Raw range resolution 10.5 mm (14 µs pulse)","Up to 1600 beams per ping (dual RX, dual swath)","Depth rated to 6000 m","Transmitter 45 kg (EM 2040-04) or 23 kg (EM 2040-07)","Kongsberg",{"_type":243,"asset":244},"image",{"_ref":245,"_type":229},"image-4bb9dc1a23746889c1ca17e4cc1e6d18be20f501-638x546-png","Rent a Kongsberg EM 2040 MKII multibeam echosounder: 200–400 kHz, up to 170° swath (200° dual RX), 10.5 mm raw range resolution, depth rated to 6000 m.","EM 2040 MKII Multibeam Echosounder","Kongsberg EM 2040 MKII wide band shallow water multibeam echosounder operating at 200–400 kHz, with up to 170° swath (200° with dual receiver), 50 Hz ping rate and depth rated to 6000 m.",{"_type":250,"current":251},"slug","kongsberg-em-2040-mkii-multibeam-echosounder","Wide Band Shallow Water Multibeam Echosounder",[254,259,263,267,271,275,279,283,287,291,295,299,303,306,310,314,318,322,326,330,334,338,342,346,350,354,358,362,366,370,374,378,382,385,389,393,397,401,405,409,413],{"_key":255,"_type":256,"label":257,"value":258},"db98553d755a","specRow","Frequency range","200 to 400 kHz",{"_key":260,"_type":256,"label":261,"value":262},"c5ed80007314","Max ping rate","50 Hz",{"_key":264,"_type":256,"label":265,"value":266},"f0322c39796a","Output sample rate","Up to 60 kHz",{"_key":268,"_type":256,"label":269,"value":270},"2d8702bdadcb","Shortest pulse \u002F raw range resolution (CT\u002F2)","14 microseconds \u002F 10.5 mm",{"_key":272,"_type":256,"label":273,"value":274},"5ceaf8cd07eb","Pulse forms","CW and FM chirp",{"_key":276,"_type":256,"label":277,"value":278},"15754526ef3d","Swath coverage sector","Up to 170° (single receiver) \u002F 200° (dual receiver)",{"_key":280,"_type":256,"label":281,"value":282},"65efb10bb22e","Flat bottom coverage","Up to 7.5 × water depth (200 and 300 kHz); 10 × water depth (dual transducer)",{"_key":284,"_type":256,"label":285,"value":286},"74111c391503","Beam patterns","Equiangular, equidistant, high density and ultra high density",{"_key":288,"_type":256,"label":289,"value":290},"16fdb5010f57","No. of beams per ping","512 (single RX) \u002F 1024 (single RX, dual swath) \u002F 1600 (dual RX, dual swath)",{"_key":292,"_type":256,"label":293,"value":294},"7a0744af3167","Max no. of beams per ping, dual RX single swath","800",{"_key":296,"_type":256,"label":297,"value":298},"29ed90d99001","Roll stabilised beams","±15°",{"_key":300,"_type":256,"label":301,"value":302},"a1c5c1affa69","Pitch stabilised beams","±10°",{"_key":304,"_type":256,"label":305,"value":302},"199081247086","Yaw stabilised beams",{"_key":307,"_type":256,"label":308,"value":309},"3f14aea2fdd1","Depth rating","6000 m",{"_key":311,"_type":256,"label":312,"value":313},"86dfff9d396c","Max depth, cold ocean water (EM 2040-04)","635 m (200 kHz), 480 m (300 kHz), 315 m (400 kHz)",{"_key":315,"_type":256,"label":316,"value":317},"6bde0d6c5c8b","Max coverage single RX, cold ocean water (EM 2040-04)","920 m (200 kHz), 670 m (300 kHz), 410 m (400 kHz)",{"_key":319,"_type":256,"label":320,"value":321},"6c8e3fbff430","Max coverage dual RX, cold ocean water (EM 2040-04)","980 m (200 kHz), 760 m (300 kHz), 430 m (400 kHz)",{"_key":323,"_type":256,"label":324,"value":325},"0ad66c6c2320","Max depth, cold fresh water (EM 2040-04)","1360 m (200 kHz), 740 m (300 kHz), 430 m (400 kHz)",{"_key":327,"_type":256,"label":328,"value":329},"cb31b7e8cf21","Max coverage single RX, cold fresh water (EM 2040-04)","1990 m (200 kHz), 1100 m (300 kHz), 570 m (400 kHz)",{"_key":331,"_type":256,"label":332,"value":333},"6f6c13ae857d","Max coverage dual RX, cold fresh water (EM 2040-04)","2110 m (200 kHz), 1270 m (300 kHz), 610 m (400 kHz)",{"_key":335,"_type":256,"label":336,"value":337},"14646ed9ea26","Max depth, cold ocean water (EM 2040-07)","600 m (200 kHz), 465 m (300 kHz), 300 m (400 kHz)",{"_key":339,"_type":256,"label":340,"value":341},"c7ec343ce713","Max coverage single RX, cold ocean water (EM 2040-07)","880 m (200 kHz), 640 m (300 kHz), 385 m (400 kHz)",{"_key":343,"_type":256,"label":344,"value":345},"e996bfd4ae4f","Max coverage dual RX, cold ocean water (EM 2040-07)","930 m (200 kHz), 725 m (300 kHz), 410 m (400 kHz)",{"_key":347,"_type":256,"label":348,"value":349},"c3ebc80c2b60","Max depth, cold fresh water (EM 2040-07)","1300 m (200 kHz), 700 m (300 kHz), 375 m (400 kHz)",{"_key":351,"_type":256,"label":352,"value":353},"4ca88754382c","Max coverage single RX, cold fresh water (EM 2040-07)","1870 m (200 kHz), 1050 m (300 kHz), 540 m (400 kHz)",{"_key":355,"_type":256,"label":356,"value":357},"014c95218cd3","Max coverage dual RX, cold fresh water (EM 2040-07)","2000 m (200 kHz), 1200 m (300 kHz), 570 m (400 kHz)",{"_key":359,"_type":256,"label":360,"value":361},"89c0d00fdb43","Coverage example conditions","Bottom type rock (BS = −10 dB), NL = 45 dB, FM mode",{"_key":363,"_type":256,"label":364,"value":365},"6930d4bbb491","Pulse lengths, normal mode","200 kHz: CW 38, 108 & 324 µs, FM 3 & 12 ms; 300 kHz: CW 38, 108 & 324 µs, FM 2 & 6 ms; 400 kHz: CW 27, 54 & 108 µs, FM N\u002FA",{"_key":367,"_type":256,"label":368,"value":369},"1d489cdb3ba8","Pulse lengths, single sector mode","200 kHz: CW 19, 38 & 81 µs, FM 1.5 ms; 300 kHz: CW 19, 38 & 81 µs, FM 1.5 ms; 400 kHz: CW 14, 27 & 54 µs, FM N\u002FA",{"_key":371,"_type":256,"label":372,"value":373},"21b9cdca5cb8","Pulse lengths, dual TX model","CW 14, 27, 54, 135, 324 & 918 µs (200–400 kHz in 10 kHz step); FM 3 & 12 ms (200–400 kHz in 10 kHz step)",{"_key":375,"_type":256,"label":376,"value":377},"a1a97546d60e","Beamwidth TX EM 2040-04","0.7° (200 kHz), 0.5° (300 kHz), 0.4° (400 kHz)",{"_key":379,"_type":256,"label":380,"value":381},"3673c37a7fd5","Beamwidth TX EM 2040-07","1.5° (200 kHz), 1° (300 kHz), 0.7° (400 kHz)",{"_key":383,"_type":256,"label":384,"value":381},"f7105bec9494","Beamwidth RX",{"_key":386,"_type":256,"label":387,"value":388},"b36a52a4595e","TX EM 2040-04 dimensions \u002F weight","727 × 142 × 150 mm (L × W × H) \u002F 45 kg",{"_key":390,"_type":256,"label":391,"value":392},"fa5289202d15","TX EM 2040-07 dimensions \u002F weight","407 × 142 × 150 mm (L × W × H) \u002F 23 kg",{"_key":394,"_type":256,"label":395,"value":396},"7fd00fb3a872","RX dimensions \u002F weight","407 × 142 × 136 mm (L × W × H) \u002F 22 kg",{"_key":398,"_type":256,"label":399,"value":400},"de9441277d77","Processing Unit (2U for 19\" rack)","482.5 × 424 × 88.6 mm (W × D × H) \u002F 10.5 kg",{"_key":402,"_type":256,"label":403,"value":404},"8c3146033f6d","Portable Processing Unit (IP67)","370 × 390 × 101 mm (W × D × H) \u002F 10.5 kg",{"_key":406,"_type":256,"label":407,"value":408},"f0dc5fca37ce","Dimension note","Excluding connectors and mounting arrangements",{"_key":410,"_type":256,"label":411,"value":412},"39a482859d06","Dual swath","Optional",{"_key":414,"_type":256,"label":415,"value":416},"522352f5f23c","Features","Seabed image, water column logging, water column display, extra detections, FM chirp, roll, pitch and yaw stabilisation, nearfield focusing on transmit and receive, dual RX, dual TX","Kongsberg EM 2040 MKII Multibeam Echosounder"]