DPF Pressure Test Set Diesel Particulate Filter 0–500 mbar Sensor RJ45 3 m for Tester 1464T, Beta Tools

Key Facts — Beta Tools DPF Test Set for 1464T

• Brand: Beta Tools
• Fits: Tester 1464T
• Type: Accessory set for diesel particulate filter back pressure testing
• Measuring range: 0–500 mbar
• Resolution: 1 mbar
• Cable: RJ45, 3 m

The Beta Tools DPF test set turns the 1464T tester into an instrument for measuring back pressure in the diesel particulate filter. With a 0–500 mbar range and 1 mbar resolution it shows whether a filter is blocked, whether regeneration has worked, or whether the fault actually lies in the vehicle's own pressure sensor.

The set comprises a 500 mbar sensor, an 8 mm adaptor with quick coupling and T fitting, and a 3 metre RJ45 cable to the tester. The T fitting goes into the filter's pressure line, so the measurement runs in parallel with the vehicle's own system without cutting the line.

The 3 metre cable gives room to position the tester outside the engine bay while the engine runs at different speeds. The set is stored in a box measuring 240 x 210 x 50 mm and weighs 0.5 kg.

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When does the DPF test set make the most sense?

When a fault code points to the particulate filter but the cause is unclear. The vehicle's own differential pressure sensor can itself be faulty, and replacing a filter on the wrong evidence is an expensive guess. An independent measurement at 1 mbar resolution shows the real back pressure and separates a blocked filter from a failed sensor, a leaking hose or an interrupted regeneration.

How the set is used in diesel engine diagnostics

The test set is used for diagnosing DPF-related fault codes, checking before and after forced regeneration, verifying results after filter cleaning or replacement, and investigating power loss and limp mode on diesel vehicles. It is equally useful on cars and on light commercial vehicles fitted with particulate filters.

Technical Specifications

What's in the box

• Pressure sensor 500 mbar
• 8 mm adaptor with quick coupling and T fitting
• RJ45 cable, 3 m

Used by: Diagnostic technicians, diesel-focused mechanics, van service technicians and auto electricians.

Common in: Car workshops, diesel specialists, franchised dealers and light truck servicing.

Frequently Asked Questions (FAQ)

Does the Beta Tools DPF test set work without the 1464T tester?

No. The set is an accessory with no display or readout of its own — the sensor connects via the 3 m RJ45 cable to the Beta Tools 1464T, which shows the reading. The tester is not included and must be bought separately if the workshop does not already have one. The set consists of the 500 mbar sensor, the 8 mm adaptor with quick coupling and T fitting, and the cable.

How is the Beta Tools DPF test set connected to the vehicle?

Through the 8 mm adaptor with T fitting, inserted into the pressure line between the particulate filter and the vehicle's differential pressure sensor. The quick coupling lets the sensor connect and disconnect without tools. The measurement runs in parallel with the vehicle's own system, so the tester's reading can be compared directly with what the sensor reports to the engine management. Lines of a size other than 8 mm need their own adaptation.

What separates a Beta Tools DPF test set measurement from reading DPF pressure via OBD?

Independence. An OBD reading shows what the vehicle's own sensor reports, and if that sensor or its hose is faulty, the reading is wrong too. The test set measures back pressure with a separate 0–500 mbar sensor at 1 mbar resolution. If the two values differ, the fault lies in the vehicle's sensor circuit rather than the filter — a distinction that decides whether the filter really needs replacing.