Information regarding the use of the A50

A50 (with O2): O2 alarm levels?
QUESTION If I fit an A50 with an O2 sensor will the A50 send an alarm for the O2, if so what alarm setting?   ANSWER Yes, there will be a dedicate...
Tue, 5 Jul, 2016 at 1:40 PM
A50: Tell me about the device alarms
QUESTION Can you tell me what to expect if my A50 goes into alarm please? ANSWER If the A50 detects a Carbon Dioxide (CO2) concentration above i...
Tue, 5 Jul, 2016 at 1:41 PM
A50 (with O2 & Display): What displays?
QUESTION A50 with O2 and display, what does the display show?   ANSWER The display will show alternating values for both CO2 and O2
Tue, 5 Jul, 2016 at 1:41 PM
A50: What to expect on power up?
QUESTION What should I expect when I turn my A50 on? ANSWER When mains power is first applied to the A50, it requires a period of approximately ...
Tue, 5 Jul, 2016 at 1:42 PM
A50: How do I carry out an auto zero calibration adjustment?
QUESTION My device is in constant alarm, I am certain there is no risk of carbon dioxide. What should I do? ANSWER It sounds as though the devic...
Mon, 16 Oct, 2017 at 9:09 AM
A50: How do the relays work?
There have been many questions on relay operation in the past. Hopefully, this little article will provide clarity on their operation.   The A50 relay...
Tue, 5 Jul, 2016 at 1:44 PM