7301 6 Channel Remote Particle Counter with Modbus and WIFI


  • Remote laser particle counter
  • 12 months calibration, meets ISO 21501-4
  • 10% discount from your first annual calibration with Cleanroomshop
  • Carry case included
  • 10.5 hours battery, supporting non-stop production from a single charge
  • View data on screen or connect/export via Modbus, WIFI (for live streaming of data, anywhere), USB and ethernet
  • Accurate, user friendly, easy to configure
  • 6 user-selectable channels, 0.3–25µm
  • Large 4.3" touch screen colour display
  • 2 year warranty (6 months for internal pumps)
  • 0.1 CFM (2.83 LPM) flow rate
  • Particles Plus code: RP-7301-1

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Delivery within 3-5 days
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We Offer Same Day Despatch on all stock items, Monday - Friday on orders placed before 16:00 GMT. Next day delivery is available to certain shipping Destinations.

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  • Pinpoints contamination sources quickly with visual and audible indicators, via the patented, real time meter
  • Available with Modbus and WIFI capability - allowing flexibility for live streaming of data
  • IP addressable, network capable operation.
  • Icon driven touch screen interface.
  • The Particles Plus 7301 Remote Particle Counter measures 0.3 μm to 25.0 μm with a flow rate of 0.1 CFM (2.83 LPM) and is the most versatile remote particle counter available. 
  • Monitors 6 channels simultaneously: 0.3, 0.5, 1.0, 3.0, 5.0, 10.0 μm
  • With an internal vacuum pump, the 7301 can be used as a stand-alone battery operated instrument or it can be easily integrated into a building automation and cleanroom management system via Ethernet or (optional) Wireless 802.11 b/g. 
  • The 7301 reports and displays 6 user-selectable particle size channels, as well as temperature and relative humidity, flow and sensor status, date of last calibration, serial number, laser on-time and date of manufacture for easy maintenance and warranty management. 
  • Particles Plus counters can be controlled and monitored remotely via web browser. The 7301 has a mass concentration mode that approximates density in μg/m³.
  • Carry case included - available with Modbus and WIFI capability - allowing flexibility for live streaming of data
  • Free demo session included*

Calibration Offer

Connect 2 Cleanrooms has the only UK-based Particles Plus calibration laboratory. Ongoing calibration will ensure the unit is trusted to perform accurately and remains compliant to ISO 21501-4. 

We can offer you a 10% discount on your first annual calibration, when booked within 30 days of purchase. Please email calibration@connect2cleanrooms.com for more details. 

Free yearly calibration reminder service available. Contact us about our particle counter rental service.

Benefits of WIFI

  • Promotes the ability to monitor remotely from your computer, smart device with a web browser or IMS integrated software, reducing the amount of contact and personnel involved in monitoring cleanroom performance (WIFI range)
  • Longest battery life available at 10.5hrs which supports non-stop production on 1 x charge
  • Efficient functionality to save time with easy to configure formula’s, date extract and also being able to download data whilst continuing to take particle counts
  • Easy to configure and record different sizes of micron confirming HEPA filtration maintains performance to agreed classification.
  • The ability to pinpoint particular contamination sources, saving time and enabling quick troubleshooting potential

Special Delivery Details

Particle counters require calibration in our calibration lab before they can be shipped. If you require your particle counter on next-day delivery, please place your order by 12noon to ensure calibration can be completed same-day.

*Free demo session subject to availability - please enquire for details.

Country of Origin: USA
More Information
Brand Particles Plus
Type Continuous Monitoring
Lead time (if out of stock) 3-5 days
Pack Size 1
Applications For cleanroom monitoring through airborne particle counting the 6 channel particle counter is easy to use, with versatile output options with MODBUS and WIFI
Country of origin USA
Technical data 7301 with Standard Calibration:
0.3, 0.5, 1.0, 3.0, 5.0, 10.0 ?m
Calibration of any 6 of the following sizes (optional):
0.3, 0.5, 0.7, 1.0, 2.0, 2.5, 3.0, 5.0, 10.0 m
Custom Size Calibration (optional extra - please enquire)
Stainless steel enclosure
Sterility Non-Sterile
Warranty 2 year warranty (6 months warranty only for the internal pumps)
Channel 6 Channel
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Delivery and returns

We offer same day despatch on all stock items, Monday to Friday, with no minimum or maximum quantity.

Please note that the cut off point for same day despatch for stock items is before 16:00. If you place your order after this time and need your goods urgently, please give us a call and we’ll see what we can do.

Typically orders received after 16:00 will be despatched the following working day, providing goods are in stock.


Weight (KG) Next day before 17.30pm* Next day before noon Next day before 10.30am
1 - 20 £9.99 £13.50 £21.00
21+ +£0.36 per extra kg +£0.44 per extra kg +£0.48 per extra kg

*Please note that the 'Next day before 17.30pm' delivery can be made any time between 7.30am and 17.30pm.


We offer a range of delivery methods for countries outside of Mainland UK, for Northern Scotland, Northern Ireland, Isle of Man & Scilly Isles & Channel Islands. We also offer International Delivery for 50+ countries.

For more information about our delivery options and pricing click here

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