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Photograph of the 250169 ALF225 PDI Duct Leakage Tester, side-view Main Image

ALF225 PDI Duct Leakage Tester

Compact, lightweight and intuitive duct leakage tester.

  • Simple and quick to use—familiarisation takes just a few minutes
  • Everything you need for testing is included and results are provided instantly
  • Data can be downloaded to an SD card or USB drive for your records.

Simple to use and transportable machine that provides you with an easy and cost effective solution to ductwork testing.  

  • All-in-one instrument offering everything you need to test for air leakage under positive and negative pressure
  • Configure parameters to your needs, including; duct size, test pressure, test duration and class
  • Clear indication of passed or failed test
  • Fully calibrated with UKAS traceable certificate and user manual
  • Power supplied via a 110 V 50/60 Hz AC connection
  • Entire measurements range covered by three easy to change nozzles designed to ISO 5801:2007
  • Capable of generating an airflow of up to 150 litres per second and testing static pressure from −2500 Pa to +2500 Pa
  • Provides approximately 210 l/s of air flow for Class A leakage tests and up to 130 l/s for Class C/D leakage tests
  • Data can be downloaded to an SD card or USB drive for your records.

MEP Code: 250169

Technical Specification
Specification Specification Detail
Standards BS EN 1507, 12237, DW/143, SMACNA
Volume Flow Measurement 1 to 225 l/s—Over Nozzle Range
Pressure Measurement ±2500 Pa
Typical Duty Points 130 l/s at 2000 Pa, 210 l/s at 500 Pa
Pressure Measurement Accuracy ±1 % of reading ±1 digit 
Volume Flow Accuracy ±2.5 % of reading ±1 digit 
Differential Pressure Sensor Resolution 1 Pa
Sensor Damping 0.5 s to 8 s
Power 800 W
Voltage Options 240 Vac 50/60 Hz, 110 Vac 50/60 Hz
Unit Size (width × depth × height) 390 × 520 × 740 mm
Unit Weight 32 kg

 

Technical Document

Manufacturer's Data Sheet for ALF225 PDI Duct Leakage Tester

Sensing Precision Data Sheet for 250169 ALF225 PDI Duct Leakage Tester. Revision 1.0, April 2023.
Technical Document

MEP Hire Specification Sheet: Sensing Precision ALF150 & ALF225 Duct Leakage Testers

Specification Sheet from MEP Hire for 250168 and 250169 Sensing Precision's ALF 150 and ALF 225 Duct Leakage Testers
  • Lightweight, easily transportable and suitable for one person lift and operation
  • Quick and easy test process
  • Simple to use—familiarisation takes just a few minutes
  • Everything you need for testing is included and results are provided instantly.

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ALF225 PDI Duct Leakage Tester

MEP Code: 250169

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Key Product Features

  • Compact and lightweight

  • Suitable for one person lift and operation

  • Instant test results

  • Simple to use - familiarisation takes just a few minutes

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