Product Description
Overview
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.
The Output Signal option causes the voltage on pin 3 to drop from 5 to 0 volts at 80% discharge. It can be used to signal another component or to allow for the disabling of a specified vehicle function, insuring against abusive deep discharge conditions. The Output Signal can also be used to drive the CURTIS 1178 Relay Module.
Special models and custom panels are available. For more details, please see the 906 Meter Datasheet (PDF format).
Specifications
Manufacturer: CURTIS
Model: 906
Voltage Options (Volts): 12V, 24V, 36V or 48V.
Operating voltage: +/-25% of nominal voltage
Display: 10-digit, LED
Operating temperature: -40°C to +85°C
Storage temperature: -50°C to +90°C
Shock & Vibration: Meets SAE J 1378
Features include:
All principal circuits are integrated in a single chip for long-life reliability.
A 10-bar LED displays the state-of-charge successively, bar by bar, from full to empty.
At 70% depth of discharge, a flashing LED signals an "energy reserve" alert.
At 80%, alternately flashing LEDs provides an "empty" status warning.
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. • Recognizes improperly charged battery.
Keyswitch activated LED display (state-of-charge is monitored as long as 906 is connected to battery).
Memory allows gauge to recall state-of-charge whenever battery is disconnected.
Three possible reset methods:
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).
High Voltage Reset (HVR): Gauge must measure >2.35 volts per cell for 6 continuous minutes during charging (example "B" profile).
Charge Tracking Reset (CTR): Display tracks charge level during opportunity charging (requires gauge to be connected to battery when charging).
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