Retrotec DM-2A Manuel d'utilisateur télécharger pdf (Page 33)

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©Retrotec Inc. 2012

 3.0 Three significant figures.

 3.5 Three significant figures plus a fourth figure rounded to either 0 or 5.

Table 3. Example values displayed using each of the three significant figure options.

Significant Figures

Base Number

2.5

3.0

3.5

1.034

1.05

1.03

1.035

20.353

20.0

20.4

20.35

147.626

150.

148.

147.5

4326.72

4350.

4330.

4325.

To change the number of Significant Figures

1. Press [Setup] to access the Setup menu.

2. Press [] or [] to select "Sig Figs" in the list.

3. Press [] or [] to select 2.5, 3.0, or 3.5.

5.2 Device Setup

The DM-2 mark II supports fan equipment from virtually every other calibrated fan manufacturer on

the market.

Table 4. List of compatible devices to be used with the DM-2.

Device Mfr

Device displayed

Description

Retrotec

DU100

Obsolete DucTester

DU200

Model 200 fan, Q32 DucTester

600/700

Obsolete fans

800/900

1000

Model 1000 systems with 0.75 hp yellow wheel rim style fans

2000

Model Q46 and Q56 systems with 0.75 hp yellow foam core fan

3000

Older Model Q4E, Q5E and QMG systems with 2 hp yellow foam

core Door Fan

3000SR

Model Q4E, Q5E and QMG systems with 2 hp yellow foam core

Door Fan – all fans are self-referencing (have green tube)

Minneapolis

DuctBlaster B

Duct testing fan

Model 3 (120V)

0.75 hp black wheel rim style fan

Model 3 (240V)

Model 4 (240V)

Exhaust Fan

Exhaust Fan Flow Meter – measures air flow through residential

exhaust fans between 10 and 124 CFM

True Flow

True Flow Grid – measures flow through a residential air handler

Infiltec

0.75 hp black wheel rim style fan

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 65 66

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Retrotec DM-2A Manuel d'utilisateur Page 33

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