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JVA ZM20 Fence Monitor with LCD Display - 20 Sector Monitor - JVA Technologies - Electric Fencing - Agricultural Fencing - Equine Fencing - Security Fencing


JVA ZM20 Fence Monitor with LCD Display - 20 Sector Monitor


Incl. GST

The JVA ZM20 is designed to be coupled with any standard electric fence Energizer to power and monitor a perimeter security electric fence. In addition to the features of the ZM1 the ZM20 can be programmed to determine the position of a fault on the fence. Up to 20 different sectors within 1 zone can be differentiated. The ZM20 powers both “ends” of the fence and determines the position of a fault using digital signal processing.


  • 2 to 20 Programmable Sectors
  • Reports the fault position (LCD and data output)
  • Cut or bridge alarm on sudden reduction in current
  • Monitors ground voltage, fence voltage and fence currents
  • Control and program via LCD keypad or Touch keypad
  • Monitor via PC (using Perimeter Patrol software)
  • 2 dry contact control inputs
  • Siren and Strobe switched 12V DC outputs
  • 3 form C relays with many programmable functions
  • Built in charger and space for a 12V 7.2aH backup battery
  • Run from 16Vac or 12Vdc external source
  • Anywhere in the world using the Internet


  • Battery not included (COB004)
  • 16Vac plug pack not included (COP002


3 Year Manufacturer Warranty (excluding lightning damage)


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