Particles Plus 7301 6 Channel Remote Particle Counter


  • 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 export via 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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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.
  • 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. 
  • 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.
  • Price includes carry case
  • 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 for more details. 

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

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.
Country of Origin: USA
More Information
Brand Particles Plus
Type Continuous Monitoring
Lead time (if out of stock) 10-15 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.
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
Calibration Units are supplied calibratied and ongoing yearly calibration is available from Cleanroomshop's in -house lab. 10% off your first calibration with every purchase.
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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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