<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="desc"> <p style="text-align:center" align="center"><strong>PM2.5 PM10 High Precision Particle Concentration Laser Dust Detection Sensor SDS011</strong><br /></p> <div style="font-size:16px"> <p><strong>Features:</strong><br /></p> <ul> <li><p>Accurate and Reliable: laser detection, stable, good consistency.</p></li> <li><p>Quick response: data update frequency 1Hz.</p></li> <li><p>Easy integration: serial output, built-in fan.</p></li> <li><p>High resolution: resolution of 0.3ug/m3.</p></li> <li><p>Convenient use, easy installation, and small volume.</p></li> </ul> <p><br /><strong>Specifications:</strong><br />Material: Plastic<br />Condition: 100% brand new and high quality<br />Weight: 60g<br /><br /><strong>Technical&nbsp;Parameters:</strong><br /></p> <table style="border-collapse:collapse"> <tbody> <tr> <td><p>NO.</p></td> <td><p>Item</p></td> <td><p>Parameter</p></td> </tr> <tr> <td><p>1</p></td> <td><p>Measuring output</p></td> <td><p>PM2.5, PM10</p></td> </tr> <tr> <td><p>2</p></td> <td><p>Range</p></td> <td><p>PM2.5: 0.0-999.9μg/m3</p></td> </tr> <tr> <td><p><br /></p></td> <td><p><br /></p></td> <td><p><br /></p></td> <td><p> environment: -10℃&nbsp;~ +50℃</p></td> </tr> <tr> <td><p>7</p></td> <td><p>Humidity range</p></td> <td><p>Storage environment: .90%</p></td> </tr> <tr> <td><p><br /></p></td> <td><p><br /></p></td> <td><p> environment: .70%</p></td> </tr> <tr> <td><p>8</p></td> <td><p>Working atmosphere pressure</p></td> <td><p>86KPa ~ 110KPa</p></td> </tr> <tr> <td><p>9</p></td> <td><p>Response time</p></td> <td><p>1s</p></td> </tr> <tr> <td><p>10</p></td> <td><p>Serial data output frequency</p></td> <td><p>1Hz</p></td> </tr> <tr> <td><p>11</p></td> <td><p>Min. particle diameter resolution</p></td> <td><p>Less than 0.3um</p></td> </tr> <tr> <td><p>12</p></td> <td><p>Counting efficiency</p></td> <td><p>70%@0.3μm</p></td> </tr> <tr> <td><p><br /></p></td> <td><p><br /></p></td> <td> <div> 98%@0.5μm <br /> <br /> <strong>Interface specification:</strong> <br /> <br /> </div> <table style="border-collapse:collapse"> <tbody> <tr> <td><p>Pin</p></td> <td><p>Name</p></td> <td><p>Note</p></td> </tr> <tr> <td><p>1</p></td> <td><p>NC</p></td> <td><p>Empty</p></td> </tr> <tr> <td><p>2</p></td> <td><p>1um</p></td> <td><p>PM2.5: 0-999 PWM Output</p></td> </tr> <tr> <td><p>3</p></td> <td><p>5V</p></td> <td><p>5V power input</p></td> </tr> <tr> <td><p>4</p></td> <td><p>2.5μm</p></td> <td><p>PM10: 0-999 PWM Output</p></td> </tr> <tr> <td><p>5</p></td> <td><p>GND</p></td> <td><p>GND</p></td> </tr> <tr> <td><p>6</p></td> <td><p>R</p></td> <td><p>Serial port receiver RX, TTL level @ 3.3V</p></td> </tr> <tr> <td><p>7</p></td> <td><p>T</p></td> <td><p>Serial port transmission TX, TTL level @ 3.3V</p></td> </tr> </tbody> </table> <div> <br />Note: The pitch of Interface is 2.54mm <br /> <br /> <strong>Communication protocol:</strong> <br />Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1) <br />Serial report communication cycle: 1+0.5 seconds <br />Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer <br /> </div> <table style="border-collapse:collapse"> <tbody> <tr> <td><p>The number of bytes</p></td> <td><p>Name</p></td> <td><p>Content</p></td> </tr> <tr> <td><p>0</p></td> <td><p>message header</p></td> <td><p>AA</p></td> </tr> <tr> <td><p>1</p></td> <td><p>order</p></td> <td><p>C0</p></td> </tr> <tr> <td><p>2</p></td> <td><p>data 1</p></td> <td><p>PM2.5 low byte</p></td> </tr> <tr> <td><p>3</p></td> <td><p>data 2</p></td> <td><p>PM2.5 high byte</p></td> </tr> <tr> <td><p>4</p></td> <td><p>data 3</p></td> <td><p>PM10 low byte</p></td> </tr> <tr> <td><p>5</p></td> <td><p>data 4</p></td> <td><p>PM10 high byte</p></td> </tr> <tr> <td><p>6</p></td> <td><p>data 5</p></td> <td><p>ID byte 1&nbsp;</p></td> </tr> <tr> <td><p>7</p></td> <td><p>data 6</p></td> <td><p>ID byte 2</p></td> </tr> <tr> <td><p>8</p></td> <td><p>checksum</p></td> <td><p>checksum</p></td> </tr> <tr> <td><p>9</p></td> <td><p>message trailer</p></td> <td><p>AB</p></td> </tr> </tbody> </table> <div> <br /> <br />Checksum: data 1 + data 2 + ...+ data 6 <br />PM2.5 data content: PM2.5 (um/m3) = ((PM2.5 high byte*256 ) + PM2.5 low byte)/10 <br />PM10 data content: PM10 (um/m3) = ((PM10 high byte*256 ) + PM10 low byte)/10 <br />The low byte and high byte of SN are the last four of the bar code on the sensor. <br /> <br /> <strong>PWM&nbsp;output:</strong> <br />Output range: PM2.5: 0-999μg/m3, PM10: 0-999μg/m3 <br />Cycle: 1004ms +1% <br />High level output in start cycle: 2ms <br />Middle cycle: 1000ms +1% <br />Low level output in end cycle: 2ms <br /> <br /> <strong>Package List</strong> <br />1 x Laser Dust Sensor <br />1 x USB To TTL Module <br />1 x Cable <br /> <br /> </div><p>Note:<br />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.<br /></p> <div> <br /> </div></td> </tr> </tbody> </table> <p><br /></p> </div> <div> <br /> </div> <p><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /></p> </div><br /></div></div>