Grasping Key Points and Rationally Using Composite Multi-gas Detector
The composite multi-gas detector is used in a wide range of places. It can be used for safety inspection and detection in production workshops, warehouses, pipeline construction, tunnel underground mine construction, etc., and many customers have also purchased composite multi-gas detectors. .
1. How to use the composite multi-gas detector:
1. Turn on the instrument
When the power is off and the battery is fully charged, press "
In the measurement state, press the "1" key for about 2 seconds to shut down the instrument.
2. Insufficient power
When the battery power of the instrument is lower than the preset value, an audible undervoltage alarm will be triggered to remind the operator that the battery is low and needs to be charged. When an undervoltage alarm occurs, the battery symbol flashes together with the sound alarm. When the power is exhausted, the instrument will automatically shut down.
When an undervoltage alarm occurs, the operator should shut down the instrument and charge it for about 3-4 hours.
2. Perform preheating self-inspection of composite multi-gas detector:
After pressing the "1" button to turn on the instrument, there will be a self-inspection process for the instrument's own power, sensors, and sound-light vibration alarm functions. It will enter a 100-second countdown and warm-up. After the warm-up is complete, it will directly enter the measurement status interface.
!Note: If the self-test fails, you should perform the self-test again. If it fails again, please contact us or the local agent/service provider.
3. Measurement mode of composite multi-gas detector:
The free diffusion detection method is adopted. During normal operation, the instrument can be fixed on the belt or hand-held. Once turned on, the instrument will measure continuously, and the surrounding air can enter the sensor through diffusion. Usually, the flow of air can directly send the measurement target gas into the sensor, and the sensor will respond to the concentration of the gas and give the measurement result. The principle of diffusion detection is to use the above methods to directly detect the gas concentration around the instrument. The advantage of diffusion type is that the response time is fast. If it is necessary to carry out remote detection of the gas at the sampling position, it is necessary to use the suction method for measurement. At this time, the instrument needs to use a calibration cover and an optional air pump. When using the calibration cover, ensure that the direction of gas collection is in the direction indicated by the arrow.
