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Curtis Solid state battery fuel gauge and hour meter Model 908
Description: Curtis Model 908R is a completely solid state battery discharge indicator and lift lockout, housed in a 52mm case. Void of moving parts, this combination instrument is exceptionally reliable even in severe operating environments. Model 908R is a battery state-of-charge gauge ideally suited for electrically powered vehicles.
Features: Fuel Gauge Features 1. Multi-color 10-bar LED displays state-of-charge (5 green, 3 yellow, 2 red LEDs. Single red LED also available) 2. Flashing red LED signals “energy reserve” alarm at 70% discharged 3. Double flashing red LEDs signal “empty” alarm at 80% discharged 4. Normally closed relay opens at 80% discharge for lift lockout. Holding relay option also available 5. Recognizes improperly charged battery 6. Keyswitch activated LED display (Fuel gauge electronics are energized as long as they remain connected to the battery) 7. Wide range of factory programmable discharge profiles available 8. Dual reset methods in each gauge: Open Circuit Reset for vehicles that exchange batteries and Charge Tracking Reset for vehicles whose batteries remain connected to the gauge during recharge System Voltages Available in single voltages from 12 VDC to 80 VDC, or in dual voltage of 24/36, 36/48, 24/48 or 72/80 VDC. Operating range is ± 25% of nominal voltage
Specifications: 1. Temperature Range Operating Temperature: –40°C to +85°C 2. Shock & Vibration: Meets SAE J 1378 3. Humidity: 95% RH (non-condensing) at +38°C 4. Mating Connector: Molex 8 pin, 39-01-2085 5. Discharge Profiles: Factory Set (non-adjustable) 6. Reset Levels: Open Circuit Reset (OCR) at 2.09 volts/cell 7. Charge Tracking Reset(CTR) tracks battery recharge