Ammeter Sensor
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Flybox ±50A Ammeter Current Sensor (DBMISENSC)
The Flybox DBMISENSC is a high-precision, solid-state Hall-effect current sensor engineered for Ultralight, Light Sport (LSA), and Experimental aircraft. Designed to measure bidirectional DC electrical flow across -50 A to +50 A, it replaces traditional resistive shunts with a galvanically isolated, zero-insertion-loss solution that feeds real-time battery charge/discharge and alternator current directly to Flybox glass cockpit displays.
Operational Capabilities & Electrical Bus Safety
Advanced current monitoring engineered for modern light aircraft electrical systems:
True Bidirectional Monitoring
Accurately monitors both positive charging currents and negative battery discharge rates across ±50 A, immediately highlighting alternator drops or excessive in-flight electrical demand.
Full Galvanic Isolation
Electrically isolates high-current main aircraft bus cables from sensitive instrument logic circuits, eliminating short-circuit hazards and ground-loop offsets without high-voltage risks.
Zero Heat & Resistance Drop
Unlike resistive brass shunts that generate thermal dissipation and drop line voltage, the non-intrusive magnetic Hall-effect core introduces virtually zero electrical resistance into the bus.
Linear Signal Integrity
Outputs a robust, linear analogue voltage signal directly compatible with Flybox display ammeter inputs, avoiding the low-millivolt noise distortion that plagues traditional shunt installations.
Technical Specifications
| Manufacturer Part Number | DBMISENSC |
| Product Function | Solid-State DC Ammeter Current Sensor |
| Measuring Range | -50 A to +50 A DC (Bidirectional charge/discharge) |
| Sensing Architecture | Linear solid-state Hall-effect magnetic transducer |
| Signal Output | Linear analogue voltage proportional to primary current |
| Operating Voltage Supply | +5 V DC regulated (supplied directly from Flybox instrument) |
| Galvanic Isolation | Complete electrical isolation between high-current path and sensor output |
| Flight Instrument Compatibility | Flybox Omnia AMP-VOLT (57 mm & 80 mm), Vigilus EIS, EngiMaster EIS, Eclipse NG |
| Operating Temperature Range | -20°C to +85°C |
| Target Aircraft | Ultralights, Light Sport (LSA), Microlights, and Homebuilt Experimental aircraft |
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Technical Inquiry for Ammeter Sensor
Confirm wiring loom compatibility, panel depths, or kit lead times with our engineering team.