CURTIS 803 "FUEL" GAUGE/HOUR METER is the upgraded version of 802 devices, providing more accurate "discharge adjustment settings" and "lift lockout" function. For more details, please read carefully the CURTIS Model 803 "fuel" gauge/hour meter manual (PDF format).
Typical models:
803RB2436BCJ301O, 24/36V with CURTIS logo
803RB2448BCJ301O, 24/48V with CURTIS logo
803RB7280BCJ301O, 72/80V with CURTIS logo
Notice: due to the light weight of 803 meter, we offer differential prices by quantity. If you buy two or more 803 meters in one time, and want to have different voltage options on each 803 meter, please leave us a message for confirming the detailed voltage options.
Overview:
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.

For more details, please see the 803 Meter Datasheet (PDF format).
Features include:

Manufacturer: CURTIS

Model: 803

Multiple Voltage Options (Volts): 12-80V

Operating voltage: +/–25% of nominal voltage
Display: Battery state-of-charge: 10-bar, tri-color LED; Hour Meter: 6-digit LCD, 5mm high
'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 Feature
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.
Operating temperature: –40°C to +85°C
Storage temperature: –50°C to +90°C

We can provide the Curtis 803 with preset configuration for specified vehicle model. For more details of product setting, please contact us.