Retrotech DM-2A 用户手册

Retrotec Energy Innovations, Ltd.

DM-2A Mark II   2008-02-22

To configure your gauge for the Dansk Standard for thermal performance of buildings, 

determination of air permeability of buildings, fan pressurization method, apply the following 
settings:

Pressure

Pa

Flow

m

3

/h

@ 50.0 Pa

EfLA

Off

EqLA

Off

Air Changes

/h

@ 50.0 Pa

Flow per Area

cm

3

/h/m

2

@ 50.0 Pa

EqLA per Area

Off

Velocity

Off

Velocity Flow

Off

n

0.65

Power Down Hour

2

Area

m

2

Volume

m

3

European

No

Sig Figs

2.5

Reverse Mode

No

DS/EN 13829 is a multi-point test. However, the DM-2A mark II can also provide for 

quick single-point checks of the enclosure. To perform a single-point test, follow these 
steps:

1.  Assess and measure the Envelope Area as specified in the standard.

2.  Assess and measure the Net Floor Area as specified in the standard.

3.  Assess and measure the Internal Volume of the building as specified in the standard.

4.  With your gauge on and running and from the main operation screen, press the M

 

keypad button to set your gauge to the Air Chg mode.

5.  Press the e

 keypad button and input the Internal Volume as measured in step 3.

6.  Press the M

 keypad button to display screen to view the Flow/Area mode.

DM-2A Mark II Dual-Channel Pressure Gauge