Features:
Specifications: Material: Plastic Condition: 100% brand new and high quality Weight: 60g Technical Parameters:
Interface specification:
Note: The pitch of Interface is 2.54mm Communication protocol: Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1) Serial report communication cycle: 1+0.5 seconds Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer
Checksum: data 1 + data 2 + ...+ data 6 PM2.5 data content: PM2.5 (um/m3) = ((PM2.5 high byte*256 ) + PM2.5 low byte)/10 PM10 data content: PM10 (um/m3) = ((PM10 high byte*256 ) + PM10 low byte)/10 The low byte and high byte of SN are the last four of the bar code on the sensor. PWM output: Output range: PM2.5: 0-999μg/m3, PM10: 0-999μg/m3 Cycle: 1004ms +1% High level output in start cycle: 2ms Middle cycle: 1000ms +1% Low level output in end cycle: 2ms Package List 1 x Laser Dust Sensor 1 x USB To TTL Module 1 x Cable Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.
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