Honeywell Midas User Manual

Midas
®
Gas Detector
7-13
7.2.9 Set LCD Backlight mode
1. Select the set LCD mode ‘LCD’ submenu and
press ‘3’ to accept.
2. The flashing LCD Backlight mode configuration
(bm:m or bm:c ) is displayed.
3. Use the ‘s’ up or ‘t’ down buttons to change
the configuration.
4. Press ‘3’ to set LCD backlight mode. (UPdt
displayed)
5. Press ‘X’ to return to set-up, calibration and test
menu selection.
6. Press ‘X’ again to return to normal operation.
Note
Midas Generation 1 software versions 1.12
and later and all Midas Geration 2 software
versions include automatic pump frequency
detection. Manual setting of pump control
frequency is uncommon and is needed only
if pump frequency diers signicantly from
the expected range.
7.2.10 Set Pump control frequency
1. Select the set Pump Control Frequency ‘PUmP’
submenu and press ‘3’ to accept.
2. The flashing Pump Control Frequency
configuration is displayed.
3. Use the ‘s’ up or ‘t’ down buttons to change the
configuration. (Note: Holding down the button
will increase the increment speed.)
4. Press ‘3’ to set Pump Control Frequency.
(UPdt will be displayed)
5. Press ‘X’ to return to set-up, calibration and test
menu selection.
6. Press ‘X’ again to return to normal operation.

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