1. E VERY L IFE H AS A P URPOSE… Z Gard ® Family of Gas Detection Products

2. Z Gard Product Line  The Z Gard Product line consist of two parts:

3. Z Gard S Sensors  Z Gard S Sensors  Smaller Package  Cost Competitive  4-20mA or RS-485  Solid State or Echem technology  CO, NO2  Dual sensor with CO and NO2  Enclosure Options

4. Z Gard S Sensor  Gases:  Carbon Monoxide  Nitrogen Dioxide  Ranges:  0-100 or 200 ppm for CO  0-10 ppm for NO2  LED shows sensor status  Output: 4-20mA OR RS-485  General purpose metal cover plate supplied with a plastic double gang electrical conduit box

5. Z Gard Controllers  Three Controller Models  Z Gard C Controller  Z Gard CX Controller  Z Gard C485 Controller

6. Z Gard C Controller  Available in 1, 4, or 8 channel controllers  Inputs; 4-20mA analog or proprietary RS-485 digital  110/220 VAC power input  24 VDC power output to sensors  SPDT Relays; common relays are standard  Readout: 4 character LED display  Standard steel box or fiberglass option  Audible alarm with reset switch  Optional 4-20mA high select analog output

7. Z Gard C Controller Family  Z Gard C 485  Available in 8, 16 or 24 channel controllers  Inputs RS-485 digital  SPDT Relays; common relays are standard  Readout: 4 character LED display  Audible alarm with reset switch  Zoning – Single or Dual Zone available  110/220 VAC power input  24 VDC power output to sensors  NEMA 1 General Purpose metal enclosure standard, NEMA 4 Optional  Standard 4-20mA high select analog output Z Gard C 485 Controller

8. Z Gard CX Controller  Controller with up to 40 inputs  Inputs RS-485 digital  SPDT Relays; common relays are standard  Readout: 4 character LED display  Audible alarm with reset switch  Accepts RS-485 inputs  110/220 VAC power input  24 VDC power output to sensors  NEMA 1 General Purpose metal enclosure standard, NEMA 4 Optional  Standard 4-20mA high select analog output

9. Z Gard CX Controller  Sensor Auto-recognition  Key pad control of many features  Alarm values  Relay action  Time delays  Password protection  Zoning  Voting

10. Z Gard COmbo Monitor  Z Gard COmbo  0-100, 0-200 ppm  With or without display  3 relays, horn and reset button  Can interface with up to 7, RS-485 sensors Z Gard COmbo

11. Z Gard Product  Markets for Z Gard Products  Facility Equipment  Parking Garage Maintenance  Municipalities  US Post Offices  FedEx, UPS, etc.  Major airport cargo areas  Mass transit authorities

12. Z Gard CO Applications  Carbon Monoxide  Underground parking  Vehicle storage and maintenance  Postal processing plants  Airports and Courier transfer stations  Facilities monitoring – Office Buildings, Malls, Casino’s

13. Z Gard NO 2 Applications  Nitrogen Dioxide (Diesel fumes)  City Bus and Transit facilities  Heavy equipment & Locomotive maintenance facilities  Enclosed truck docks

14. Z Gard CO & NO 2 Alarm Criteria  Ventilation control index  Alarms set for activated at TLV / STEL levels for personnel safety  Energy management

15. Why Buy Z Gard? MSA name and reputation MSA Sales Support All Z Gard products meet CSA standards HVAC application experience After-sales Support Ability to meet special applications/ control requirements