Model 1905

Gas Monitoring

The Model 1905 is designed to be an Uninterruptable Power Source for the Smart Remote Series, Remote Alarms, and as a direct replacement for older Model 803 / 1903's.  Contained in the unit is a 18 amp hour battery to power the units for a minimum of four hours in the event of AC power failure.

The recommended placement of the 1905 is central to the units it is powering, communication capabilities are also incorporated into the device.  When there is AC power loss, a charging voltage failure or a DC line output voltage short, alarms are transmitted to the Mine Monitor and Control Station.

ENCLOSURE JIC NEMA 4X
POWER-IN 120 VAC
POWER-OUT 24 VDC
CURRENT LIMITED 750 Milliamps
COMMUNICATIONS 320 / 4800 BAUD
ADDRESS SWITCHES 7 (addresses 1-127)
ADJUSTMENTS None
BATTERY CONNECT SWITCH 1
FUSES AC Power 2  Amp, 250 V Battery 1/2  Amp, 250V
WEIGHT 29 pounds

  • AC Power Off
  • Output Shorted
  • Output Voltage Low
  • Data Receive
  • Data Transmit
  • Comm Status
  • Battery Connect
  • Load Current (mA)
  • Battery Capacity (%)