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Observator DIFF

Observator DIFF Automatic Air Volume Flow Meter

The Observator DIFF Automatic Air Volume Flow Meter is a high-precision instrument engineered for fully automatic measurement of air volume and flow. It features an integrated fan and utilises the principle of zero flow compensation, a technique recognised by multiple construction and ISO standards for its accuracy and reliability.

Please note: there is a minimum four-week lead time for delivery or collection of the Flow Meter, starting from the date you receive confirmation from a BCTA staff member. The kit includes UKAS calibration.

Available Options

Delivery MethodStockPriceQuantity 
Free Collection from The Building Performance Hub, High Wycombe

In Stock

£2,621.00 + VAT
Delivery to an address of your choosing

In Stock

£2,621.00 + VAT

Additional Information

This device is particularly suited to professionals commissioning ventilation systems, especially those involving continuously running systems where consistent and accurate airflow measurement is essential.

Kit Contains:

  • Instrument
  • AT-242 solid hood designed specifically for domestic ventilation system
  • Carry Case
  • UKAS Calibration Certificate for Part F Building Regulation Testing
  • User Manual

Key Features of the Observator DIFF Automatic Air Volume Flow Meter

  • Automatic Pressure Measurement
    Delivers fast and accurate readings without manual input, streamlining the testing process.
  • Non-Intrusive Testing
    Measurements do not interfere with the air distribution system, preserving system integrity during assessment.
  • Digital Display
    A movable monitor allows easy viewing from different angles, improving usability on-site.
  • Flow Direction and Temperature Display
    Provides additional data for comprehensive analysis, including airflow direction and air temperature.
  • Portable Design
    Lightweight and suitable for single-person operation, making it practical for fieldwork.

Designed for professionals who require dependable and efficient airflow measurement, the flow meter combines advanced technology with ease of use. Its automatic functionality and recognised measurement principles ensure accurate results and operational efficiency.

The Observator DIFF meter is approved for use in Part 1 and Part 2 of the ATTMA Domestic Ventilation Commissioning Certificate Scheme

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