Portable testing oxygen concentration oxygen sensor / oxygen analyzer / oxygen regulator
1, Adopt 3 years imported long-life
electrochemical oxygen sensors.
2, This tester needs to correct
before use, please check the
3, Please replace the battery if it's
low, or the numerical value will
4, This device will auto shut down
after turning on for 30 mins.
1, Turn on the device, connect the
pipette filler with the tester and pinch for 2-3 times to
suck the fresh air; 3 mins later, if the numerical value
is not within 20.9±0.5, then the tester needs to correct.
2, Turn on the tester, simultaneously press "Key 1" and
"Key 2" for 5 seconds, then loosen the keys and enters
the correction function.
3, Correction: press "Key 1" to increase 0.1%, press
"Key 2" to decrease 0.1%, until correct to 20.9+-0.05,
then shortly press the left key to exit. Then it's in test condition.
Portable testing oxygen concentration oxygen regulator / oxygen analyzer / oxygen flow meter