CirKits.com BVM1 Features and Specifications

• Features
  • Designed for monitoring 12 Volt rechargeable batteries.
  • Color-coded voltmeter for quick battery state measurement.
  • Useful for alternative energy, auto marine and RV power systems.
  • Designed to work with the CirKits SCC3 and SPC3 kits.
  • Reliable and efficient solid-state circuitry.
  • Built-in fuse for short circuit protection.
  • Protected against reverse supply connection.
  • Radio quiet, will not interfere with radio systems.
  • Simple 2 screw connector will accept a variety of wire gauges for attaching to a 12V power system.

• Controls and Indicators
  • Ten ultra-bright LEDs in 5 colors, visible in sunlight.
  • LED Colors:
    • 10.5V: Deep Red
    • 11.0V: Deep Red
    • 11.5V: Amber
    • 12.0V: Amber
    • 12.5V: Emerald (true) Green
    • 13.0V: Emerald (true) Green
    • 13.5V: Blue
    • 14.0V: Blue
    • 14.5V: White
    • 15.0V: White
  • Blink / Calibrate switch for power-efficient or constant-on LEDs.
  • Beep switch for enabling / disabling the low voltage beeper.
  • Span and Center adjustment trimmers for voltmeter.
  • Low Voltage Beep threshold adjustment trimmer.

• Specifications
  • Supply Voltage: 12V (nominal).
  • Display Voltage Range: 10.5V - 15.0V in .5V steps.
  • Maximum Input Voltage: 17.5 VDC.
  • Supply Current @ 12.5V (beep off): 6.25 mA average, 30mA peak.
  • Supply Current @ 12.5V (beep on): 7 mA average, 34mA peak.
  • Blink/Beep Rate: 1.25 seconds per flash.
  • Blink/Beep Duty Cycle: 80% off, 20% on.
  • Beep Frequency: 2.6 Khz.
  • L.V. Beep Threshold Adjustment Range: 7.5V-13.5V.
  • Board Dimensions: 3.25" wide by 2.5" deep by 0.5" tall.
  • Fits into a standard 4" X 4" electrical utility box, can be mounted on the cover plate.
  • Board Mounts: 4X 4-40 screws on 1/4" spacers.
  • Assembled Weight: approximately 50 grams (< 2oz).