13
the ▼ can change the number of the relevant digits. The number can be
cyclic changed from 0~9, after this, you can press the OK button to
finish the demarcated gas concentration setting, the interface of the
standard gas concentration as below:
Picture 3.8
、
Calibration gas concentration interface
3.2.7
、
Span calibrations setting:
It refers to that the users can adjust the instrument by using the
calibration gas. After entering this interface, press the M button to
calibrate, then the SET PEAK becomes flickering. After that, pass
through the standard gas(control the flow as 200ml/min), when the data
stable, press the “OK” to save the setting.
Picture 3.9
、
Span calibration setting
四、
Calibration methods
Before the gas detector leave our factory, we have calibrated it. If
the users have the calibration device, they can calibrate it regularly as the
