Detection
|
single gas
|
Value
|
display gas composition / concentration after starting
|
Calibration |
automatic calibration and return to zero |
TWA/STEL |
record and display as required |
Backlight |
user can press the button to open the background light automatically on dark / alarm. |
Peak value
|
record and display the peak value of the gas as required. |
Test |
start time (automatic) full function test
|
Relative humidity |
5-95%RH relative humidity (non condensing) |
Sensor |
pluging electrochemical sensor (temperature compensation) |
Operating temperature |
-30℃to 50℃ |
Alarm indication |
hearing and vision |
IP level
|
high waterproof IP66/67 protection class
|
Visual alarm |
lights flashing, two red LED flashing |
IEMI/RFI |
IEMI/RFI in accordance with Directive 89/336EEC EMC |
Auditory alarm |
more then 95 dB pulse far from detector 0.25 meters |
LCD reading
|
2 years (standard) |
Alarm beep tone |
every 5 seconds (the selection switch) |
Battery type |
3 volt lithium battery (CR2 camera battery) |
Other alarms |
low battery power; put off warning; sensor failure, over range |
Volume / weight |
28*50*95/82 G |
Display |
display value and status |
Sensor life |
toxic gas sensor is more than 3 years, the oxygen sensor is more than 2 years, ammonia sensor is more than 1 years |