Testo 327

Features include:
*Measures CO,CO2, 02, ratio and effciency.
*Measures differential temperature, differential pressure.
*Printout of readings including date and time.
*Features timed tightness test.
*Simple menu for selecting measurement options.
*Fast 30 second set up time.
*Robust and shock-proof due to Elastomer protection skin.
*3 Year warranty on instrument and cells.
*Comprehensive range of accessories.
*Backlit display.
*Independently tested to EN 50379.