
Continuous optical particle monitoring for hydraulic and lubricant fluids, rated to 420 bar with ISO 4406 cleanliness reporting.
Product Features:
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Filtrec FMSC Hydraulic Particle Counter Monitor for High-Pressure Fluid Monitoring
Filtrec FMSC Hydraulic Particle Counter Monitor provides continuous monitoring of solid contamination in hydraulic and lubricating fluids using the light-extinction principle.
It is designed for high-pressure installation and can be connected directly to a pressure line for fast indication of changing contamination levels.

Technical Specification
| Dynamic Operating Pressure | 420 bar |
| Static Pressure | 600 bar |
| Permissible Flow Rate | 50-400 L/min |
| Fluid Connection | G 1/4 in / Minimess M16x2 |
| Electrical Connection | M12x1, 8-pole |
| Power Supply | 9-33 V |
| Analogue Output | 4-20 mA |
| Interfaces | RS232 / CAN |
| Protection Class | IP67 |
| Operating Temperature | -20°C to +85°C |
| Data Memory | 3000 records |
| Weight | Approx. 720 g |
Particle Monitoring & Cleanliness Standards
| Measurement Principle | Optical light extinction |
| Calibration | ISO 11943 |
| Displayed Cleanliness Standards | ISO 4406, SAE AS4059, NAS 1638 and GOST 17216 |
| ISO 4406 Measuring Range | 0-24 ordinal number |
| ISO 4406 Calibrated Range | 10-22 ordinal number |
| Accuracy in Calibrated Range | ±1 ordinal number |
Why Choose the FMSC?
- Continuous particle monitoring for hydraulic and lubricant fluids
- Suitable for direct high-pressure line installation
- IP67 protection for industrial environments
- Multiple outputs for system integration and data capture
Need help choosing? Contact the Flowfit team for help confirming the correct particle monitoring solution for your hydraulic system or tank application.
General delivery information
Thank you for visiting and shopping at www.flowfitonline.com. Below are the terms and conditions for the Shipping Policy for Harrier Fluid Power Ltd T/A Flowfit.
Orders are processed and shipped during standard working hours (08:30–17:00 BST), Monday to Friday (excluding Bank Holidays). All orders placed before 4pm Monday to Thursday and 3pm on Friday are normally processed and despatched on the same business day, subject to stock availability.
Build and assembly orders may require additional processing time. This includes, but is not limited to, hydraulic power units, gearbox and pump assemblies, hydraulic hose assemblies, and motor/engine pump sets. Due to current demand, these types of orders are currently experiencing an estimated additional 2–3 working days before despatch.
During periods of particularly high order volumes, delivery times may be extended further. Please allow additional time in transit for delivery once your order has been despatched.
If your order is extremely urgent and next-day delivery is critical, please contact our Sales Team before placing your order. We will do our best to accommodate your requirements and advise whether we can meet your requested delivery date.
If there will be a significant delay to your order, we will contact you via email or telephone.
United Kingdom delivery rates & estimates
| Service | Price | Terms |
|---|---|---|
| FREE Delivery | FREE | Free UK delivery is available for orders over £99.99+ VAT. Delivered in 1 -2 working days. |
| Express Delivery | £9.99 + VAT | UK Mainland delivery for orders under £99.99 + VAT. Delivered in 1 -2 working days. |
| Express 9am | £42.95 + VAT | Delivered by 9am next working day. |
| Express 12pm | £20.95 + VAT | Delivered by 12pm next working day. |
| Channel Islands | ||
| Standard Delivery | £20.95 + VAT | Delivery in 2–3 working days. |
| UK Highlands & Isles | ||
| Order value below £99.99 + VAT | £31.95 + VAT | Delivery in 2–3 working days. |
| Order value over £99.99 + VAT | £28.95 + VAT | Delivery in 2–3 working days. |
* Overnight delivery is only available for certain delivery addresses within the United Kingdom. Please contact us beforehand to confirm eligibility.
Email sales@flowfitonline.com or call 01584 876 033.
Collection: Customers are welcome to arrange collection using a courier of their choosing, or collect in person from our depot in Ludlow, Shropshire. Please advise us in advance so we can ensure your order is complete before collection.
International delivery rates & estimates
Shipping charges depend on weight and destination country and are calculated and displayed at checkout. Orders for delivery within the EU typically arrive on a 2–5 day service (depending on the destination). Shipments outside the EU typically arrive on a 3–7 day service (depending on the destination).
Please contact our Sales team for accurate delivery times. If your parcel has not arrived within the expected timeframe, please get in touch. Please ensure the shipping address entered at checkout is correct; we are not responsible for incorrect or undeliverable addresses.
Customs, duties and taxes
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling costs. These charges are the buyer’s responsibility. You may check with your country’s customs office to determine any additional costs.
By placing an international order (shipping outside the United Kingdom), the buyer is responsible for complying with their country’s laws, regulations, and restrictions. If a product is seized and destroyed by customs, we will not be responsible for losses, products, or shipping refunds.
Shipment confirmation & order tracking
You will receive a Shipment Confirmation email once your order has shipped, containing your tracking number(s). Tracking will be active within 24 hours.
Working closely with top carrier experts
We use some of the top carrier companies in the world, although you can also use your own carrier to collect your order. All deliveries require a signature on delivery. Below are our main carrier companies.

Damages
Harrier Fluid Power Ltd T/A Flowfit is not liable for products damaged or lost during shipping. If you receive your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
Returns policy
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.





