EA400 Four Zone Environmental Monitor

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Monitor four zones, with separate high/low alarm limits for each zone, by any combination of remote temperature, humidity or water sensing probes (sold separately).

If temperatures and humidity deviate from the preset limits or water forms a bridge between the contacts on the WaterBug® sensor the designated relay for each zone will activate an alarm, dialer, transmitter, etc.


  • Auxiliary output relay for local audible alarm
  • Auxiliary alarm silence feature with 10 minute timer
  • Temperature & humidity Hi / Lo set points
  • Tamper proof lock setting
  • Zones being monitored are displayed every few seconds


  • Sensor inputs: 4
  • Lo & Hi Limit Adjust Range: -58 to 299° F
  • Dimensions: 6.0" x 4.75" x 1.25"
  • Weight: 0.60 lb
  • Power: 12 VDC (not included, item #2003056)


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