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According to the datasheet, the EM 2040C MKII fulfils IHO-S44 Exclusive Order and the LINZ specification.\n\nThe standard operating frequency range of the EM 2040C MKII is 200 to 400 kHz, selectable in steps of 10 kHz, and the optional 700 kHz mode extends the range to 700 kHz. The operator chooses the frequency on the fly: 300 kHz near the bottom, 200 kHz in deeper waters and 400 or 700 kHz for very high resolution inspection, with the 700 kHz inspection mode contained within a 30° swath. Beam width is 1×1° at 400 kHz, and swath coverage is up to 140° with a single head and 200° with a dual head.\n\nUsing CW and FM chirp pulses, a dual head EM 2040C MKII system has a maximum depth range of 520 m at 200 kHz in cold ocean water, with a swath width of up to 700 m. In the same coverage example (rock bottom, BS = −10 dB, NL = 45 dB, FM mode), a single head covers up to 580 m across at 200 kHz. CW pulse lengths are 14, 27, 54, 135, 324 & 918 µs at 200–400 kHz and 70 µs at 700 kHz, and FM pulses are 3 & 12 ms. With the optional EM MultiFrequency Mode, the system alternates frequency modes per ping to give Multi Frequency Backscatter of up to 5 frequencies in a single pass.\n\nTwo sonar heads are listed: the EM 2040C MKII head, 18.8 kg out of water and 8.4 kg in water with a 50 m depth rating, and the EM 2040CX head, 26.1 kg out of water and 17 kg in water with a 1500 m depth rating. The Processing Unit (2U for 19\" rack) and the Portable Processing Unit (IP67) each weigh 10.5 kg. Included features are seabed image, water column display and logging for SIS users, FM chirp, roll and pitch stabilisation, yaw stabilisation with dual head and transmit and receive nearfield focusing; dual swath, extra detections and water column phase logging are optional, and a laptop, Hydrographic Work Station (HWS) and monitor can be delivered on request.",[235,236,237,238,239,240],"200–400 kHz in 10 kHz steps; 700 kHz (optional)","Beam width 1×1° at 400 kHz","Swath up to 140° single head, 200° dual head","Max depth 520 m at 200 kHz (cold ocean water)","Depth rating 50 m (EM 2040C MKII) or 1500 m (CX)","Sonar head 18.8 kg out of water, 8.4 kg in water","Kongsberg",{"_type":243,"asset":244},"image",{"_ref":245,"_type":229},"image-2c6595b5e59323c1b2232cb5dd63a3530de41e8b-499x489-png","Rent a Kongsberg EM 2040C MKII multibeam echosounder: 200–400 kHz in 10 kHz steps, 1×1° beams at 400 kHz, up to 140° swath per head, 520 m max depth.","EM 2040C MKII Multibeam Echosounder","Kongsberg EM 2040C MKII shallow water multibeam echosounder with 200–400 kHz in 10 kHz steps (700 kHz optional), 1×1° beam width at 400 kHz and up to 140° swath per head.",{"_type":250,"current":251},"slug","kongsberg-em-2040c-mkii-multibeam-echosounder","Single or Dual Head Multibeam Echosounder",[254,259,263,267,271,275,279,283,287,291,295,299,303,307,311,315,319,323,327,331,335,339,343,347,351,355,359,363,367,371],{"_key":255,"_type":256,"label":257,"value":258},"848698f97191","specRow","Frequency range","200 to 700 kHz; 200–400 kHz in steps of 10 kHz (700 kHz mode optional)",{"_key":260,"_type":256,"label":261,"value":262},"7343612b41e5","Beam width","1×1° at 400 kHz",{"_key":264,"_type":256,"label":265,"value":266},"3e858e12d4a1","Max ping rate","50 Hz",{"_key":268,"_type":256,"label":269,"value":270},"b5a011e43e23","Swath coverage sector","Up to 140° (single head) \u002F 200° (dual head, optional)",{"_key":272,"_type":256,"label":273,"value":274},"608526eab955","Swath, 700 kHz inspection mode","30°",{"_key":276,"_type":256,"label":277,"value":278},"b3ee51356d31","Depth rating","50 meters (EM 2040C MKII) or 1500 meters (EM 2040CX)",{"_key":280,"_type":256,"label":281,"value":282},"254bdcf380a8","Beam patterns","Equiangular, equidistant and high density",{"_key":284,"_type":256,"label":285,"value":286},"c41f7d9717a3","No. of beams per ping","512 (single swath, single head)",{"_key":288,"_type":256,"label":289,"value":290},"8d574b11d56e","Roll stabilised beams","±15°",{"_key":292,"_type":256,"label":293,"value":294},"111d436a52a0","Pitch stabilised beams","±10°",{"_key":296,"_type":256,"label":297,"value":298},"bdc4dc3f3796","Yaw stabilised beams","±10° (yaw stabilisation with dual head)",{"_key":300,"_type":256,"label":301,"value":302},"07f6973462c2","Pulse forms","CW and FM chirp",{"_key":304,"_type":256,"label":305,"value":306},"0c332c3ea1a6","Multi Frequency Backscatter","Up to 5 frequencies in a single pass (EM MultiFrequency Mode, optional)",{"_key":308,"_type":256,"label":309,"value":310},"3bc646485c1d","Survey standards","Fulfils IHO-S44 Exclusive Order and LINZ specification (per datasheet)",{"_key":312,"_type":256,"label":313,"value":314},"6bd87a3f748d","Max depth","520 m (200 kHz), 450 m (300 kHz), 400 m (350 kHz), 350 m (400 kHz), 45 m (700 kHz)",{"_key":316,"_type":256,"label":317,"value":318},"d5e8ed5b4c7c","Max coverage across, single head","580 m (200 kHz), 580 m (300 kHz), 510 m (350 kHz), 375 m (400 kHz), 23 m (700 kHz)",{"_key":320,"_type":256,"label":321,"value":322},"1aff5c11af9b","Max coverage across, dual head","700 m (200 kHz), 670 m (300 kHz), 600 m (350 kHz), 530 m (400 kHz), not available (700 kHz)",{"_key":324,"_type":256,"label":325,"value":326},"4250ff10a464","Coverage example conditions","Bottom type rock (BS = −10 dB), NL = 45 dB, FM mode",{"_key":328,"_type":256,"label":329,"value":330},"5a28b20f8829","Pulse lengths, CW 200–400 kHz","14, 27, 54, 135, 324 & 918 µs",{"_key":332,"_type":256,"label":333,"value":334},"61ba84e56402","Pulse lengths, FM 200–400 kHz","3 & 12 ms",{"_key":336,"_type":256,"label":337,"value":338},"7df47a3f4574","Pulse length, CW 700 kHz","70 µs",{"_key":340,"_type":256,"label":341,"value":342},"3d8da02bcda0","Beamwidth","2° (200 kHz), 1.3° (300 kHz), 1.15° (350 kHz), 1° (400 kHz), 0.6° (700 kHz)",{"_key":344,"_type":256,"label":345,"value":346},"a38ece34f509","Sonar head EM 2040C MKII","332 × 119 (Ø × H, unit not stated); 18.8 kg out of water \u002F 8.4 kg in water; depth rating 50 m",{"_key":348,"_type":256,"label":349,"value":350},"408ffb3b3792","Sonar head EM 2040CX","332 × 122 (Ø × H, unit not stated); 26.1 kg out of water \u002F 17 kg in water; depth rating 1500 m",{"_key":352,"_type":256,"label":353,"value":354},"2f9933a45186","Processing Unit (2U for 19\" rack)","482.5 × 424 × 88.6 mm (W × D × H) \u002F 10.5 kg",{"_key":356,"_type":256,"label":357,"value":358},"fd96b58be549","Portable Processing Unit (IP67)","370 × 390 × 101 mm (W × D × H) \u002F 10.5 kg",{"_key":360,"_type":256,"label":361,"value":362},"fae3dc6c4b73","Dimension note","Excluding connectors and mounting arrangements",{"_key":364,"_type":256,"label":365,"value":366},"b1a5c4f7d1f8","Included features","200–400 kHz wide frequency range, seabed image, water column display and logging for SIS users, FM chirp, roll and pitch stabilisation, yaw stabilisation with dual head, short pulse lengths, large bandwidth, transmit and receive nearfield focusing",{"_key":368,"_type":256,"label":369,"value":370},"14fa97cda81d","Optional features","Dual swath, 700 kHz mode, EM MultiFrequency Mode, extra detections, water column display and logging, water column phase logging, dual head",{"_key":372,"_type":256,"label":373,"value":374},"d7f3e1010e09","Laptop, Hydrographic Work Station (HWS) and monitor","Delivered on request (optional)","Kongsberg EM 2040C MKII Multibeam Echosounder"]