Vesper Technologies, Inc.
Vesper offers the first MEMS microphones that withstand real-world use in smartphones and other c……...
PPD4NS and PPD20V Dust Sensors by Shinyei
The PPD4NS and PPD20V dust sensors available from Shinyei are capable of detecting dust in homes. When installed in products, the sensors automatically control air-purifiers and monitor air quality.
PPD60PV, a newly developed sensor, is designed to detect particles cleanliness class 100,000 ~ 1,000,000. The sensor can be installed in clean systems and fan filter units to control cleanliness of operation line.
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The PPD4NS sensor is designed to produce digital (Lo Pulse) output to particulate matters. Lo Pulse Occupancy time (LPO time) is in proportion to particulate matter concentration.
Specifications
The specifications of the PPD4NS dust sensors are provided in the table below:
| Detectable particle size | approx. 1µm (minimum.) |
| Detectable range of concentration | 0~28,000 pcs/liter (0~8,000pcs/0.01 CF=283ml) |
| Supply voltage | DC5V +/- 10% (CN1:Pin1=GND, Pin3=+5V)Ripple Voltage within 30mV |
| Operating temperature range | 0~45°C |
| Operating humidity range | 95%rh or less (without dew condensation) |
| Storage temperature | -30~60°C |
| Power consumption | 90mA |
| Time for stabilization | 1 minute after power turned on |
| Dimensions | 59(W) × 45(H) × 22(D) [mm] |
| Weight
|
24g(approx.)
|
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