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POSITION MONITORS
Distance and Rotary Position Monitors
Distance (Range Finder) Monitor
Distance Position Monitors or range finders are used on tripper cars, large moving machinery, ships, and the like. They can save on operating costs by reducing the time it takes to position these large, energy consuming systems. In bulk material storage applications they provide an accurate position signal in 4 to 20 mA or digital output, for stockpile inventories.
Optech Incorporated Industrial Division of Toronto, Ontario, Canada
 Sentinel (formerly named AccuPulse) Laser
Position Monitor/Range Finder
Quick and easy set-up with handheld programmer
Specifications:
Range: 0.2 to 1500 m (.65 to 3281 ft.)
Accuracy: +5 mm (.196 in.)
Repeatability: +3 mm (.119 in.)
Resolution: +1 mm (.03 in.)
Excels in dusty conditions
Measures to oblique surfaces (impossible for radar or ultrasonic instruments)
Measure tripper cars in dusty storage sheds
Rapidly positions chutes for shiploaders
Collision avoidance detector for moving machinery, ships, trucks.
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Rotary Position Monitors
Measurement of position and angle in various measurement ranges Used in run-of-river power stations for weir gates and flaps Position measuring of throttle valves in penstocks of hydro power stations Position measuring of dosing flaps of sluice valves at channels in hydorgraphy (irrigation plants et.) Detection of lock gate positions (navigation) Position measuring of sluice valves and quenching valves in water supply plants 
RIVERT Model MGA
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Clamp-on Angle transmitter
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Absolute angle position transmitter in encapsulated housing (IP 67, submersible to 50 meters (optional)) with gravity pendulum as vertical reference. Simple mounting on gates, flaps, drawbridges and other rotating equipment having an angular motion and a horizontally arranged shaft. There are no gearing or coupling problems.
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Output signal 0...20 mA, 4...20 mA Measuring ranges 0...30º to 0...200º for 0...100 % Accuracy 0.05o Protection class IP 67 or IP 68 submersible to 50 m (option)
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RIPOS Model MGI
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Has a stub shaft 5/16"dia. x 1 - 9/16"
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The encoder MGI is designed for absolute measuring of mechanical positions ( angular displacement, lift, distance, travel) of positioining elements. The displacement to be measured is conveyed by gear wheel, chain, lever, universal joint-shaft, etc. to the input shaft of the transmitter. The compact and robust design as well as the simple assembly enable a wide range of applications.
Signal processing within the unit is continuously digital by a micro-controller. The transmitter may be set on-site by an operating unit with display or remote via HART / LON fieldbus connection. Position lineriasation is available by programming an integrated look-up table.
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| extremely robust re: protection class, temperature range, and overvoltage very high accuracy, up to 0.022° excellent resolution up to 24 bit low temperature dependance very good repeatabillity measuring ranges up to 4096 revolutions 2 - wire and 4-wire technique |
optical and resistive sensor elements modular design setting on-site or remote analog output 4..20 mA, HART compatible code output 21 bit (BCD, Gray or Binary) 4 limit switches LONWORKS simple wiring |