Curtis 803 - LED 10 segment display - LCD Hour Meter 72/80vDC 803RB7280BCJ

Curtis Model 803 combines in one instrument a completely solid state battery discharge indicator, an LCD hour meter and lift lockout, housed in a 52mm case.

Void of moving parts, this combination instrument is exceptionally reliable even in severe operating environments.

Model 803 is a combination gauge ideally suited for electrically powered vehicles.

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'Fuel' Gauge Features

• Multicolor 10-bar LED displays state of charge (5 green, 3 yellow, 2 red LEDs).
• Flashing red LED signals "energy reserve" alarm at 70% discharged.
• Double flashing red LEDs signal "empty" alarm at 80% discharged.
• Normally closed relay opens at 80% discharge for lift lockout. This unique holding relay will only lock out at the end of a lift cycle.
• Recognizes improperly charged battery.
• Keyswitch activated LED display (Fuel gauge electronics are energized as long as they remain connected to the battery).
• Wide range adjustable discharge profile.
• 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.

Hour Meter Features

• Monitors use-time throughout the equipment's lifespan.
• Records and displays up to 99,999.9 hours on its LCD, rolls over and continues to count and display.
• Hour meter LCD remains on as long as battery is connected.
• Stores latest total in EEPROM nonvolatile memory, without need of power.
• Operates and displays in temperatures from –40˚C to +65˚C under harsh conditions of vibration, shock, moisture and dust.

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.

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• Hour meter accuracy: +0.1%
• Operating Temperature: –40°C to +65°C
• Shock & Vibration: Meets SAE J 1378
• Humidity: 95% RH (non-condensing) at +38°C
• LCD Character Height: 5 mm
• Mating Connector: Molex 8 pin, 39-01-2085
• Discharge Range: Empty from 1.57 volts/cell to1.93 volts/cell.
• Reset Levels: Open circuit reset (OCR)at 2.09 volts/cell.
• Charge Tracking Reset (CTR) tracks battery recharge at 2.35 volts/cell full and 2.10 volts/cell empty.

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