MeshGuard LEL IR & CO2 IR User’s Guide 
 
10 
 
2.1.  Key Features 
  LEL: Up to 2 months continuous operation using internal battery and 4 months continuous 
operation using external BatteryPak.  
CO
2
: Up to 80 days continuous operation using external BatteryPak. 
  IEEE 802.15.4 Mesh network functionality with 64-bit MAC address 
  Mesh network with auto network forming and configuration 
  Operating distance: up to 300 m, line of sight 
  Very low-cost installation − no hardwiring involved 
  Large area coverage with multi-hop mesh network 
  Field-replaceable battery and sensor  
  Loud audio alarm, 90dB @ 30cm (12″) 
  Large, easy-to-read continuous display of LEL in % or CO
2
 in % 
  LEL: 0 to 100% LEL.  
CO2: Low-range (0 to 5%) and high-range (0 to 100%) CO
2
 sensors available. 
  User-adjustable high and low alarms 
  Bright red flashing alarm  
  Simple calibration 
  Highly resistant to RFI interference 
  IP-65 rated for outdoor use in harsh environments