(1) The sampling environment of the smoke and dust tester is generally harsh, often high
Empty homework,
Sampling personnel must ensure human-machine safety. When sampling high-temperature smoke (gas), personnel holding the sampling tube should wear heat-resistant gloves to prevent burns.
(2) During transportation and use, the smoke and dust tester should avoid strong vibrations as much as possible
Collisions, as well as attacks from dust, magnetic fields, lightning, rain, and snow. (3) The tester should be connected to a 220V AC power supply to prevent accidental connection to other industrial power sources, which may cause damage to the instrument and even personal injury.
(4) After the power is reliably connected, turn on the power switch of the tester. The tester cannot be used to check whether the instrument power is connected.
(5) The nozzle of the dust sampling tube skin tube of the testing instrument should be correctly connected to the nozzle on the panel,
To prevent damage to the sensor [1]
.
(6) The desiccant (color changing silica gel) inside the drying cylinder of the smoke and dust tester changes from blue to red
About 2/3 of the time, it should be replaced promptly.
(7) The smoke and dust tester should be turned off at least 5 seconds before being turned on again
Maintenance and upkeep of smoke and dust tester
(1) The smoke and dust tester should be stored in a dry, ventilated, and dark place.
(2) During the use of the smoke and dust tester, after each sampling is completed, the instrument sensor, sampling pump, smoke and dust sampling tube, and gas path connecting rubber tube must be cleaned with clean air. The cleaning method is as follows
After measuring the smoke, clean according to the instrument prompts; After measuring the smoke and dust, suspend the "smoke and dust" inlet of the host, and operate the instrument in dry and wet bulb temperature measurement state. The sampling pump should idle at a flow rate of 20L for a few minutes, and then clean the smoke and dust sampling tube and the rubber tube connected to the gas path with compressed air.
(3) When the smoke and dust tester is not in use for a long time, it should be powered on once a month for no less than 4 hours
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