Observator DIFF | Air capture hood

Contact Instrument Solutions

Developed by Observator Instrument B.V. for the automatic measurement of air volume from supply and extract terminals, this instrument has a built in fan and pressure compensation facility that ensures minimum errors during use.

Designed to be self-adjusting for supply and extract systems, the instrument automatically detects the direction of flow allowing the 250 mm square aperture to be placed securely over the grille. The adjustable display arms not only allows flexible operation it enables the system to be read from almost any angle.

Features

Standard supply comprises of:-

  • Instrument
  • AT-242 solid hood designed specifically for domestic ventilation systems
  • Carry case
  • Batteries and charger
  • Calibration certificate
  • PC software (DIFFiner) and 2GB SD card for the fast storage of data
  • Manual

Accessories

  • Fabric hoods 400 x 400 mm, 600 x 600 mm, 310 x 1234 mm and 310 x 1534 mm
  • Fast charger

Technical

Measuring range      10 to 400 m3/hr, -15 to +70 °C and 0 to +95 % non condensing relative humidity

Measuring aperture size       250 mm x 250 mm

Accuracy       ± 3 % of reading ±1 m3/h.

Demonstration video

Observator Diff and software product overview

Support documents

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  • Category
  • File type
  • Download
Download
NHBC ventilation guidance note January 2014.pdf NHBC ventilation guidance note January 2014
Category
Technical document
File type
Adobe Acrobat
Download (644 KB)
Download
Observator Diff data sheet.pdf Observator Diff data sheet
Category
Technical document
File type
Adobe Acrobat
Download (1 MB)
Download
Observator Diff user manual.pdf Observator Diff user manual
Category
Technical document
File type
Adobe Acrobat
Download (968 KB)
Download
Observator DIFFiner software data sheet.pdf Observator DIFFiner software data sheet
Category
Technical document
File type
Adobe Acrobat
Download (908 KB)