> For the complete documentation index, see [llms.txt](https://tera-sensor.gitbook.io/tera-sensor/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tera-sensor.gitbook.io/tera-sensor/pmduct.md).

# PMDuct

IN-DUCT SOLUTION FOR PARTICULATE MONITORING

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**This platform has moved.** The current version of this page is now published at [tera-sensor.com/resources/pmduct/](https://tera-sensor.com/resources/pmduct/).
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## PMDUCT

<figure><img src="https://3742448446-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRUDIrDZfQTVY8Zw7gTn4%2Fuploads%2FMqi5MqMbge4OfCA0xpmG%2FPROB-ePMDuct.webp?alt=media&amp;token=1742e222-d268-4706-8fbf-ff2cff305dd5" alt="" width="367"><figcaption></figcaption></figure>

<table><thead><tr><th width="284">Designation</th><th>Values</th></tr></thead><tbody><tr><td><strong>GENERAL</strong></td><td></td></tr><tr><td><strong>Measured parameters</strong></td><td><p>PM₁/PM₂.₅/PM₁₀ in µg/m³</p><p>Temperature in °C</p><p>Relative Humidity in %</p></td></tr><tr><td><strong>PM Concentration Range</strong></td><td>0 - 10 000 µg/m³</td></tr><tr><td><strong>PM Size Detection range</strong></td><td>0.3 µm to 10 µm</td></tr><tr><td><strong>PM Repeatability</strong></td><td>&#x3C; 3%</td></tr><tr><td><strong>Communication</strong></td><td>RS485 to PLC or Gateway system</td></tr><tr><td><strong>Internal Pumping System</strong></td><td>Optimized to operate even for high air speed rate</td></tr><tr><td><strong>Measurement frequency</strong></td><td></td></tr><tr><td>Normal Mode</td><td>1 measure every 15 minutes</td></tr><tr><td>Forced Mode</td><td>Continuous (maintenance time impacted)</td></tr><tr><td><strong>Maintenance</strong></td><td><p>Every 2 years with Sensor Kit achievable on site</p><p>(without service interruption)</p></td></tr><tr><td><strong>Power supply</strong></td><td><p>24 V (+/- 10%) - &#x3C;0.5 A</p><p>(Other voltages available)</p></td></tr><tr><td><strong>Dimensions and weight</strong></td><td>H 121 mm x L 116 mm x P 73 mm (+ tubing) | &#x3C; 1kg</td></tr></tbody></table>

### Mechanical specifications

<figure><img src="https://3742448446-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRUDIrDZfQTVY8Zw7gTn4%2Fuploads%2F19UIxi4FN62RojjlN29U%2FCapture%20d'%C3%A9cran%202025-09-25%20175551.png?alt=media&amp;token=a5fff557-b028-441e-a883-22cbd922db8e" alt=""><figcaption></figcaption></figure>