Honeywell Midas User Manual

Midas
®
Gas Detector
7-8
13. Use the ‘s’ up or ‘t’ down buttons to change
the A2 value.
14. Press ‘3’ to display the flashing alarm on time
delay (seconds).
15. Use the ‘s’ up or ‘t’ down buttons to change
the alarm on time delay (seconds).
16. Press ‘3’ to display the flashing alarm output
latching (L) or non latching (nL) setting.
17. Use the ‘s’ up or ‘t’ down buttons to change
between the settings.
18. Press ‘3’ to display the flashing alarm relays
normally energized (nE) or normally de-energized
(nd) setting.
19. Use the ‘s’ up or ‘t’ down buttons to change
between the settings.
20. Press ‘3’ to update all the changes (UPdt
displayed) and return to step 1.
21. Press ‘s’ up or ‘t’ down to select another
submenu.
22. Press ‘X’ to return to set-up, calibration and test
menu selection.
23. Press ‘X’ again to return to normal operation.
Note
When replacing a single gas sensor cartridge
with the same type single gas sensor cartridge,
no change of gas conrmation is required.
When changing a multi gas sensor cartridge
with the same type multi gas sensor cartridge,
the new sensor cartridge will assume
the same previously set gas ID and will
not request a change gas conrmation. See
Appendix B for cartridge information.

Honeywell Midas Specifications

General

Power Supply	24 VDC
Detection Technology	Electrochemical, Infrared
Sampling Method	Diffusion
Display	LCD
Communication	Modbus RTU, 4-20mA
Operating Temperature	-20°C to +50°C
Humidity Range	0% to 95% RH (non-condensing)
Target Gas	Multiple gases
Response Time	< 30 seconds
Operating Humidity	0% to 95% RH (non-condensing)
Outputs	4-20mA
Protection Rating	IP66
Certifications	ATEX, UL, CSA
Detection Gases	Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), Methane (CH4), and others