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RUGGEDIZED STATUS INDICATORS COMMERCIAL STATUS INDICATORS Filt ered / NVIS LEDs
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CONTENTS Introduction INTRODUCTION Ball & Flag Indicator Selection Guide L3 Electrodynamics, Inc. (L3 EDI) designs and manufactures a wide range of high-reliability and military specification electromechanical, electromagnetic, and solid-state status indicators. In addition, L3 EDI provides custom products and solutions that meet or exceed the requirements of the U.S. and international military and aerospace markets from our company-owned manufacturing facility in Cincinnati, Ohio. • Electromagnetic fault indicators Military Cross Re f er enc e f or Fault I ndic at or s • LED indicators and...
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NON-VOLATILE BALL, DRUM & FLAG STATUS INDICATORS BALL INDICATORS Latching indicators display fault conditions for system maintenance FEATURES • Electromagnetic latching display • Electrical or manual reset • Pulse operated Fig. 1 Miniature BITE, Latching Model BHG/BHGD, BIS Fig. 2 Low Power BITE Model MI51LP Fig. 3 Rear Mount Model MI57DA Fig. 4 Dual color BITE Model MI61SA Fig. 6 Latching or Self-restoring Model MI61L, LD & M Fig. 7 Large display Model CI/CID75 • High visibility • Low power • Rugged packaging • Custom design • Commercial & MIL-PRF-83287 Fig. 5 Dual color with Switch Model...
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Models BHG (Single Coil) and BHGD (Dual Coil) For indicators qualified to MIL-PRF-83287/3, see page 29. BALL INDICATORS Our latching feature assures fast positive response to a fault signal. The display ball changes color only when the indicator coil is pulsed by a BITE (Built-In Test Equipment) system. Our magnetic indicators have no bearings, springs or filaments to wear out and offer excellent visibility in high ambient light. FEATURES • Magnetic latching • Small, lightweight • High visibility • Ruggedized OPERATION When the indicator coil is energized with a 40 millisecond (or longer)...
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MINIATURE BITE INDICATORS ORDERING INFORMATION When ordering, show model number first, coil voltage and the color combination desired. If this is a special part, a factory assigned modification number will be added at the end of the ordering number. Consult the factory for special configurations. Standard factory options are designated by “-Sxxx” Basic Model Number Example: Single coil model with front panel threaded case for 12 volts with white as set color and black as reset color would be Model BHG21T-12-W/BLK. No-fault or Reset Color BHG……TL = Domed lens * MIL qualified indicators...
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BALL INDICATORS Model BIS Our BIS series indicators provide visual indication of the status of any circuit parameter being monitored. This series is a selfrestoring design that automatically returns to a neutral state when power is removed. FEATURES • Self-restoring • Sunlight readable • Small, lightweight • Ruggedized OPERATION When the indicator coil is energized, the highly visible two color display ball changes color by spinning 180°. It does not latch to the core magnet, but remains suspended in that position until power is removed. The BIS indicator offers excellent visibility in high...
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MINIATURE BITE INDICATORS ORDERING INFORMATION When ordering, show model number first, coil voltage, and the color combination desired. If this is a special part, a factory assigned modification number will be added at the end of the ordering number. Consult the factory for special configurations. Example: A basic model with a front panel threaded case for 12 volts with white as a Set color and black as a Reset color would be Model BIS21T-12-W/BLK. BIS21T - 12 - W / BLK - ( ) Standard factory options are designated by “-Sxxx” Basic Model Number Coil Voltage No Fault or Reset Color BALL...
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FLAG INDICATORS Model MI51LP The MI51LP is a miniature, dual-drum, magnetic latching indicator featuring a nonvolatile two-drum display, excellent positive indication of a fault condition with superior visibility in high ambient light. It is designed to monitor electronic systems where space is limited. FEATURES • 50 milliwatt • Magnetic latching • Manual reset • Environmentally sealed OPERATION When the indicator coil is energized with a 25 millisecond (or longer) pulse, the highly visible drums spin 180° and latches to the magnetic core. The drums will remain magnetically latched to the...
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LOW POWER BITE INDICATORS ORDERING INFORMATION When ordering, show model number first, coil voltage, the color combination desired, terminal type, and glass type. If this is a special part, a factory assigned modification number will be added at the end of the ordering number. Consult the factory for special configurations. Standard factory options are designated by “-Sxxx” Basic Model Number Coil Voltage Fault Color No-fault or Reset Color Terminal Type Glass Type Example: Basic model for 12 volts with white as set color and black as reset color, turret terminals, and non-glare glass would...
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FLAG INDICATORS BITE INDICATORS Model MI57DA For Indicators qualified to MIL-PRF-83287/2, see page 28. The MI57DA magnetic latching fault indicator displays a highly visible dual color internal flag when the indicator coil is pulsed by a BITE (Built-in Test Equipment) system. The “cloverleaf” pattern provides a high-contrast, visual identification and an effective warning of system results. FEATURES • Electrical reset • Environmentally sealed • Magnetic latching • Rear mount • Positive identification OPERATION When the indicator coil is energized with a 40 millisecond (or longer) pulse, the...
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ORDERING INFORMATION When ordering, show model number first, coil voltage, the color combination desired, terminal type, and glass type. If this is a special part, a factory assigned modification number will be added at the end of the ordering number. Consult the factory for special configurations. Example: Basic model with front panel threaded case for 12 volts with black/white as set color and all black as reset color, wire leads, non-glare glass would be Model MI57DA-12-W/BLK-WL-N. Loop Terminal Option MI57DA - 12 - W / BLK Basic Fault No-fault Model Coil or Set or Reset Number Voltage...
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