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Solid state battery fuel gauge and hour meter Model 906
Description: Model 906 is an inexpensive, one piece, easy to install battery fuel gauge. It is completely solid state and provides a reliable, accurate, and easy to read display of battery state-of-charge. Model 906 is available in six panel mount packages and a printed circuit board mounted module for custom dash panel applications. This battery fuel gauge features Curtis patented technology and is ideal for golf cars, commercial cleaning equipment, mobility aids, electric bicycles, electric marine motors, medical devices, and similar equipment.
Features: 1. All principal circuits are integrated in a single chip for long-life reliability 2. A 10-bar LED displays the state-of-charge successively, bar by bar, from full to empty 3. At 70% depth of discharge, a flashing LED signals an “energy reserve” alert 4. At 80%, alternately flashing LEDs provides an “empty” status warning 5. Model 906 is compact and easily installed in panel cutouts as small as 36.8 X 24.1 mm, with as little as 35 mm behind panel clearance needed, see dimensions of various case styles 6. Recognizes improperly charged battery 7. Keyswitch activated LED display (state-of-charge is monitored as long as 906 is connected to battery) 8. Memory allows gauge to recall state-of-charge whenever battery is disconnected 9. Three possible reset methods: 1. Open Circuit Reset (OCR): Upon reconnection of a battery the gauge will reset if it measures 2.09 volts/cell or higher (example “B” profile) (for units with memory option) 2. High Voltage Reset (HVR): Gauge must measure >2.35 volts per cell for 6 continuous minutes during charging (example “B” profile) 3. Charge Tracking Reset (CTR): Display tracks charge level during opportunity charging (requires gauge to be connected to battery when charging)
Specifications: 1. System Voltages: 12V, 24V, 36V, 48V 2. Operating voltage: +/–25% of nominal voltage 3. Operating temperature: –40°C to +85°C 4. Storage temperature: –50°C to +90°C 5. Shock & Vibration: Meets SAE J 1378
EMC: 1. Emissions Radiated and Conducted Emissions: EN 61000-6-4 Immunity 2. Designed to meet: EN 61000-6-2 3. ESD: EN 61000-4-2 4. RF Immunity: EN 61000-4-3 5. Regulatory Approvals UL: UL recognition to UL 583 CE: The product complies with the requirements of the RoHS directive 2015/863/EU (RoHS 3). This product is excluded from CE EMC testing and must only be sold to OEMs completing machine level EMC testing for CE certification