The following checks and operations should be carried out before starting to use the device:
This instrument is an optical measuring instrument, which should strictly control the damage of the instrument by dust and moisture in the biogas; before measuring, the sampling head provided by the manufacturer should be connected to the sampling pipeline, and the user can add a dehydration or dust removal device if necessary;
Connect the sampling line to the air inlet to ensure a tight connection and no leakage;
Ensure that the battery of the meter is sufficient, or remove the battery and connect the power adapter.
The sampling head can be connected to a biogas pipe with an inner diameter of 8-10, and the outlet is connected to the analyzer with a diameter of 4×6mm; the analyzer should be kept higher than the sampling head when using it to prevent water from being pumped into the instrument; if there is obvious accumulation in the sampling pipe For water or foreign objects, stop sampling immediately to avoid damage to the instrument caused by accumulated water or solid contaminants. If the moisture in the biogas is high, an additional dewatering filter device can be connected in series to the sampling pipeline. The user should ensure that the sampling head is connected to the front of the instrument to avoid damage to the instrument due to contamination, and clean the sampling head regularly.
Keep pressing the power switch of the meter for about 2 seconds, the screen will immediately display the preheating interface;
The preheating process lasts for 30 seconds, and the meter automatically enters the standby state; the screen displays the standby interface. At this time, the measurement can be started by feeding sample gas through external biogas pressure or sample gas pump.
- Shut down
The meter must be turned off in the standby state, and the power switch of the meter must be kept pressed for about 5 seconds when shutting down.
Before shutting down, clean air should be drawn to ensure the residual gas is emptied, and to avoid measurement deviation caused by residual gas or dust adsorption.
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