
グループ: ABB
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LM200 Laser level transmitter Measurement made easy Long range level products Level measurement made easy − − Maintenance free, non-contact continuous level transmitter − − No calibration required − − Continuous level monitoring for granular solid materials and opaque liquids − − Measures solids and opaque liquids at any angle − − Built-in laser pointer for accurate alignment in narrow or tall vessels − − Auto-ranging to measure all levels − − Available non condensing heated optics prevent condensation issues A convenient solution − − Rugged and robust powder coated aluminum enclosure for use in harsh environments − − CSA, ATEX and IECEx potentially explosive atmosphere ratings − − Easy to install and configure without filling or emptying the vessel − − 4-20 mA and dual relay outputs High performance − − Less than 0.2° beam divergence for precision targeting − − No false echoes − − Range up to 190 m (620 ft.) for level applications − − And up to 400 m (1312 ft. ) for positioning applications − − Three updates per second − − Can penetrate moderate dust Many different materials −− Measures all clearly visible surfaces irrespective of texture, granularity, slope and / or color − − Measures any opaque liquid level independent of dielectric constant or other physical properties − − Accurately measures to the surface of mineral ores, grains, and synthetic materials − − Examples include: gold and metal ores, coal, corn, rice, coffee, plastic pellets, oils and fuels Many different vessels and conditions − − Works in all types of storage vessels including silos, tanks, feed chutes, bunkers and hoppers − − Can measure through narrow gaps − − Reads to the bottom of silos and tanks Options and accessories − − Stainless steel dust tubes − − Stainless steel 4 and 6 inch universal mounting plates sized for ANSI 150 and DIN PN10
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LM200 Laser level transmitter Overview The laser level transmitter (LM200) is a non-contact, level and distance measuring instrument designed for granular solid materials and opaque liquids. Based on pulsed laser technology, the LM200 embodies speed and accuracy in a single, easy to use and install product. The characteristic narrow beam divergence of the laser permits direct aiming to the target surface without interference from structure or falling material. With both continuous 4-20 mA and single point relay outputs, the LM200 can operate as a process control transmitter while...
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User specified low level: 4 mA User specified high level: 20 mA Red laser pointer for alignment Continuous output Range to light colors Range Range to dark colors Basic settings Ultimate range The ultimate limit of range for the LM200 depends on the reflectivity of the material being measured, not on the height of the vessel. Dark colored materials can be measured over a shorter range than light colored materials. Using the chart on the left, a visual comparison between the graded “Visual range guide” strip and the surface to be measured tells you what range is practically possible....
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LM200 Laser level transmitter Specifications Measurements Range 0.5 m (1.5 ft) to 40 m (131 ft) - dark colored surfaces 0.5 m (1.5 ft) to 190 m (623 ft) - light colored surfaces 0.5 m (1.5 ft) to 400 m (1300 ft) - reflective targets in positioning applications Update rate 3 readings per second (maximum), 1 reading per minute (minimum) Operating temperature –40°C to +60°C (–40°F to +140°F) Note: While the initial (cold start) accuracy of the LM200 will be within specifications, a settling period of approximately 15 minutes is recommended to allow the electronics to warm up and the internal...
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Laser Measuring laser 905 nm near infrared pulsed semiconductor laser 12 mW average power output 20 W peak power output Pointing laser 635 nm red semiconductor laser 3 mW continuous Measuring laser life expectancy 25 years typical MTBF Measuring laser safety Always on IEC60825-1 class 1M laser A class 1M laser is safe for all conditions of use except when passed through magnifying optics. This means the maximum permissible exposure cannot be exceeded when viewing the laser with the naked eye without the aid of magnifying optics. Pointing laser safety Intermittent IEC80825-1 class 3R laser...
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LM200 Laser level transmitter Approvals The instrument is certified with the following environmental safety ratings which must not be exceeded. Copies of instrument certifications are available on request. CE Harmonized standards applied: Electromagnetic compatibility directive 1989/336/EEC (EMC). Generic standards, Immunity standard for industrial environments. EN 61000-6-4: electromagnetic compatibility (EMC). Generic standards, Emission standard for industrial environments. ATEX, IECEx Notified body: SIRA Certification service, Rake Lane, Eccleston, Chester, CH4 9JN, England II 3G Ex nA...
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LM200 Laser level transmitter | DS/LM200-EN Rev. E
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LM200 Laser level transmitter Accessories Dust tube (P201) Base plate diameter 127 mm (5 in) mounts on LM200 standard flange Gasket material Black neoprene rubber durometer ratingd shore 60A Static air space prevents dust buildup, can be purged Mounting plates Nominal diameter Part number Outer diameter Mounting bolt pattern Dual pattern ANSI/DIN Dual pattern ANSI/DIN ANSI class 150 : 8 bolts, size 5/8 in, bolt circle 7.5 in ANSI class 150 : 8 bolts, size 3/4 in, bolt circle 9.5 in DIN PN 10 : 8 bolts, size 18 mm, bolt circle 180 mm DIN PN 10 : 8 bolts, size 22 mm, bolt circle 240 mm...
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Communication/configuration device and local display (LCD2) Protocol Monochrome LCD display / 6 button keypad Width 55 mm (2.17 in), Height 97 mm (3.82 in), thickness 32.5 mm (1.28 in) Plastic enclosure Cable length Not rated for dust or gas / cannot be used is hazardous area RS232 to USB cable (USBR) Function Connect to standard PC for configuration Made up of two cables that work together: Standard DB9 female to female null modem RS232 cable Standard male DB9 to full size type B female USB Cable length Null modem DB9 cable 305 cm (120 in) DB9 to USB cable 45 cm (17.7 in) Recommended...
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