Generator AC/DC System Monitor (VAAFH AC/DC Meter)

Product Code: 091-247


  • Large ½" high LED digits in high visibility green
  • 6 functions, all display simultaneously on one screen: DC Volts, DC Amps, AC Volts, AC1 and AC2 Amps, AC Frequency 
  • Hour meter displays when the generator is off
  • Easy function and alarm programming via 4 button keypad, with on-screen menu settings
  • 4 level adjustable LCD brightness settings
  • Programmable alarms: HIGH/LOW for AC Volts and Frequency and HIGH alarm for Amps (2 lines). HIGH/LOW for DC Volts and HIGH alarm for DC Amps
  • Alarm modes: Red warning color visual indication, plus built-in 85 db audible, with output signal for external alarm relay
  • User programmable service hour interval settings and notification (password protected)
  • 150A Current transformers (2 X) provided
  • DC powered 9-33 VDC, with low power consumption sleep mode (<20 ma) to conserve vehicle batteries
  • Waterproof instrument face 
  • 3 year warranty
This color LED display instrument provides the simultaneous readout of generator output data: AC Voltage, AC Frequency, AC Amperage of two legs up to 36 Kw total, DC Voltage and DC Amperage. Programmable alarm settings on each function produces 85 db audio alert as well as visual red blinking display. It logs cumulative generator operation hours with programmable service interval hour settings and notification. This is ideal for monitoring vehicle mount generator sets and meets NFPA compliance for generator Instrumentation per 1901
Power Supply 9.5 to 33.0 VDC, 100 mA
Operating Temperature 32 to 122 F (0 to 50 C)
Accuracy Volts: 1% +/- 1 Digit, Amps: 2% +/- 1 Digit, Hz and Hours: .5%
Instruction Manual.pdf 1MB 1038

6 Functions, all display simultaneously on one screen: Volts, Amps, Frequency, DC Volts, and DC Amps,Frequency, AC Volts, AC Amps (2 Legs), DC Volts & DC Amps