--- title: SPC3X01P --- ** ** ** - Website Pages - Products [![Setra Systems Logo](https://www.setra.com/hubfs/setra-logo.svg "Setra Systems Logo")](https://www.setra.com/) ![drop-down-pressure](https://www.setra.com/hs-fs/hubfs/angle-arrow-pointing-to-right.png?width=15&name=angle-arrow-pointing-to-right.png) **[Pressure Sensors](https://www.setra.com/product/pressure)** [Differential Pressure Sensors](https://www.setra.com/product/pressure/differential) [Absolute Pressure Sensors](https://www.setra.com/product/pressure/absolute) [Barometric Pressure Sensors](https://www.setra.com/product/pressure/barometric) [Compound Pressure Sensors](https://www.setra.com/product/pressure/compound) [Gauge Pressure Sensors](https://www.setra.com/product/pressure/gauge) [Submersible Pressure Sensors](https://www.setra.com/product/pressure/submersible) [Vacuum Pressure Sensors](https://www.setra.com/product/pressure/vacuum) [UHP Pressure Sensors](https://www.setra.com/product/pressure/uhp) **[Room 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"setra-nav-logo.png")](https://www.setra.com/) ![Menu](https://www.setra.com/hs-fs/hubfs/moble-icon.jpg?width=30&name=moble-icon.jpg) × [Home](https://www.setra.com) Markets > [Healthcare](https://www.setra.com/critical-environments/healthcare) [Building Automation](https://www.setra.com/building-automation) [Cleanrooms](https://www.setra.com/critical-environments) [General Industrial](https://www.setra.com/industrial) [Semiconductor Manufacturing](https://www.setra.com/semiconductor-manufacturing-pressure-measurement) [Data Centers](https://www.setra.com/applications/data-centers?hsLang=en) [Energy Management](https://www.setra.com/energy-management) [Fiber Optics](https://www.setra.com/fiber-optic-illuminators) [Scales](https://www.setra.com/counting-scales-and-laboratory-balances) Products > [Pressure Sensors](https://www.setra.com/product/pressure) [Room Pressure Monitors](https://www.setra.com/product/room-pressure-monitors) [Particle 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Us](https://www.setra.com/help-center) [Products](https://www.setra.com/products#all) > [Particle Counters](https://www.setra.com/product/particle-counters) > [SPC3X01P](https://www.setra.com/spc3x01) SPC3301P & SPC3501P The Setra Systems 3301P & 3501P Series Particle Counter measures 0.3 μm to 25.0 μm through a long-life laser diode and a flow rate of 0.1 CFM (2.83 LPM) with internal vacuum pump and manifold that do not require external vacuum source. Easy to configure and with user configurable alarm light, this stainless-steel particle counter monitors 4 user-selectable size channels to allow for continuous monitoring of particulates in your critical environment. ![particle-counter-badges-1.png](https://www.setra.com/hs-fs/hubfs/particle-counter-badges-1.png?width=250&name=particle-counter-badges-1.png "particle-counter-badges-1.png") [![works with setra flex with flex icon](https://www.setra.com/hs-fs/hubfs/works%20with%20setra%20flex%20with%20flex%20icon.png?width=95&name=works%20with%20setra%20flex%20with%20flex%20icon.png)](https://www.setra.com/setra-flex) [![works with setra flex with flex icon](https://www.setra.com/hs-fs/hubfs/CEMS%20Website%20Graphics%20-%20Website%20Revamp.png?width=120&name=CEMS%20Website%20Graphics%20-%20Website%20Revamp.png)](https://www.setra.com/cems?hsLang=en) - ![3301P_3501P](https://www.setra.com/hubfs/3301P_3501P.png "3301P_3501P") - ![SPC3301P & SPC3501P-03](https://www.setra.com/hubfs/SPC3301P%20%26%20SPC3501P-03.png "SPC3301P & SPC3501P-03") - ![SPC3301P & SPC3501P-02](https://www.setra.com/hubfs/SPC3301P%20%26%20SPC3501P-02.png "SPC3301P & SPC3501P-02") [**Request a Quote**](https://www.setra.com/request-a-quote?product_availability_interest=SPC3301P+Series+Particle+Counter&description=Please+send+me+a+quote+for+the+SPC3301P+Series+Remote+Airborne+Particle+Counter&hsLang=en) Key Features - 3301P: Measures 0.3 μm to 25.0 μm - 3501P: Measures 0.5 μm to 25.0 μm - 0.1 CFM (2.83 LPM) flow rate - Connect using Modbus RTU/ASCII over isolated RS-485 - Complies with ISO 21501-4 and JIS B9921 standards - Seamless integration into a facility monitoring system Docs & Downloads [Data Sheet SPC3X01P](https://www.setra.com/hubfs/SSP-SPC3X01P%20Rev%20A.pdf) [Operating Guide SPC3X01P](https://www.setra.com/hubfs/SETRA%20SYSTEMS%203000%20Series%20Particle%20Counter%20User%20Manual%20v2.0.pdf) Related Products ## SPC5000 ![5301-5302-AQM-thumb.jpg](https://www.setra.com/hs-fs/hubfs/5301-5302-AQM-thumb.jpg?width=242&name=5301-5302-AQM-thumb.jpg "5301-5302-AQM-thumb.jpg") [VIEW PRODUCT](https://www.setra.com/product/particle-counting/5000-series?hsLang=en) ## SPC3301 & SPC3501 ![7301-7302-AQM-thumb](https://www.setra.com/hs-fs/hubfs/SPC3301%20%26%20SPC3501-01.png?width=250&name=SPC3301%20%26%20SPC3501-01.png) [VIEW PRODUCT](https://www.setra.com/spc3x01) ## SPC8000 ![setra-7301-7501-particle-counter-thumb.jpg](https://www.setra.com/hs-fs/hubfs/setra-7301-7501-particle-counter-thumb.jpg?width=250&name=setra-7301-7501-particle-counter-thumb.jpg "setra-7301-7501-particle-counter-thumb.jpg") [VIEW PRODUCT](https://www.setra.com/product/particle-counting/8000-series-handheld-particle-counter?hsLang=en) - [**](https://www.facebook.com/SetraSystems) - [**](https://twitter.com/setrasystems) - [**](https://www.youtube.com/user/SetraSystems) - [**](https://www.linkedin.com/company/setra-systems) - [**](https://www.instagram.com/setrasystemsinc/) [Service & Calibration](https://www.setra.com/support/service) | [Products](https://www.setra.com/products) | [Service/RMA](https://www.setra.com/support/service) | [Supplier](https://www.setra.com/support/supplier) | [Customer](https://www.setra.com/support/customer) | [Contact Us](https://www.setra.com/contact-us) | [FAQs](https://faq.setra.com) | [About](https://www.setra.com/about) | [Careers](https://careers.fortive.com/gems-setra/) | [Request Quote](https://www.setra.com/request-a-quote) | [Blog](https://www.setra.com/blog) Cookie Settings 159 Swanson Road Boxborough, MA 01719 | [orders@setra.com](mailto:orders@setra.com) [+1 (978) 263-1400 ](tel:+19782631400) Copyright © 2026 Setra Systems. 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