The EnviroAlert ® EA400 critical-environment monitoring device provides visibility of up to 4 environmental factors including temperature, humidity and water detection. When a condition deviates from the predetermined threshold both visual and audible (Piezo buzzer required – BZ-1 or 3rd party buzzer add on) notifications occur.  When integrated into a security panel, the system allows for the real-time notification of an incident and immediate corrective action.


  • Simultaneous monitoring of 4 sensors
  • Easy to read LCD display
  • 8 event alarm memory, including time and date
  • Auxiliary output relay for local audible alarm
  • Auxiliary alarm silence feature with 10 minute timer
  • Offset sensor calibration adjustment
  • Tamper proof lock setting
  • Alarm notification via dry contact relay to any alarm panel

 Product Specifications

Power Requirements 11 to 14 VDC @ 200mA (EA400-12)
23 to 26 VDC @ 200mA (EA400-24)
Unit Operating Temperature 32° to 122°F (0° to 50°C)
Low/High Limit Adjust Range -58° to 299°F (-50° to 150°C)
Alarm Outputs 4 Form C Relays (N.O./N.C.) 1A @ 30 VDC (Configurable)
Auxiliary Alarm Output 1 Form C Relay (N.O./N.C.) (Non-Configurable)
Alarm Time Delay 0 to 120 minutes (program independently for each zone)
Console Dimensions 6 x 4.75 x 1.25″ (15.24 x 12.07 x 3.18 cm)

EA400 Quick Start Guide            EA400 Spec Sheet

English Manual
French Manual
German Manual
Italian Manual
Spanish Manual

White Papers
EnviroAlert Limit and Hysteresis Settings
Temperature System Validation


Prop 65 Notice for Californians

Product Certifications

  • TUV
  • FCC
  • CE