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AITRIP 1 Pack Digital Particle Concentration Laser Sensor PMS500

$21

AITRIP 1 Pack Digital Particle Concentration Laser Sensor PMS500

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Product Description

Installation Attentions

  • Metal shell is connected to the GND so be careful not to let it shorted with the other parts of circuit except GND.

  • The best way of install is making the plane of inset and outset closely to the plane of the host. Or some shield should be placed between inset and outset in order to prevent the air flow from inner loop.

  • The blowhole in the shell of the host should not be smaller than the inset.

  • The sensor should not be installed in the air flow way of the air cleaner or should be shielded by some structure.

  • The sensor should be installed at least 20cm higher than the grand in order to prevent it from blocking by the floc dust.

  • Do not break up the sensor.

  • M2 self-tapping strew should be used to fix the sensor but it should not be deeper than 5mm into the sensor.

Circuit Attentions

  • DC 5V power supply is needed because the FAN should be driven by 5V. But the high level of data pin is 3.3V. Level conversion unit should be used if the power of host MCU is 5V.

  • The SET and RESET pins are pulled up inside so they should not be connected if without usage.

  • PIN7 and PIN8 should not be connected.

  • Stable data should be got at least 30 seconds after the sensor wakeup from the sleep mode because of the fan’s performance.

Other Attentions

1) Only the consistency of all the PM sensors of PLANTOWER is promised and ensured. And the sensor should not be checked with any third party equipment.

2) The sensor is usually used in the common indoor environment. So some protection must be added if using in the conditions as followed:

a) The time of concentration ≥300μg/m³ is longer than 50% of the whole year or concentration≥500μg/m³ is longer than20% of the whole year.

b) Kitchen

c) Water mist condition such as bathroom or hot spring.

d) outdoor

AITRIP 1 Pack Digital Particle Concentration Laser Sensor PMS500

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