Retrotech DM-2A Manuel d'utilisateur télécharger pdf (Page 49)

Retrotec Energy Innovations, Ltd.

DM-2A Mark II 2008-02-22

7. Press the enteR keypad button and input either the Envelope Area or the Net Floor

Area as follows:

• The Envelope Area if you wish to display Air Permeability as speciﬁed in the

standard.

• The Net Floor Area is you wish to display Speciﬁc Leakage Rate as speciﬁed in

the standard.

8. Press the @ pReSSuRe button to display the Flow @ 50.0 Pa, Air Changes @ 50.0 Pa, and

either Air Permeability or Speciﬁc Leakage Rate @ 50.0 Pa.

9. Results may be read directly from the DM-2A mark II.

10. In order to record both Air Permeability and Speciﬁc Leakage Rate, you will

need to re-enter the Envelope Area and Net Floor Area values according to your

measurements and/or calculations.

DM-2A Mark II Dual-Channel Pressure Gauge User Manual

A: Speciﬁc Conﬁgurations

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Retrotech DM-2A Manuel d'utilisateur Page 49