Appendix A: Technical Data
74
January 2022
BlowerDoor Standard
A.2
Digital Pressure Gauge DG-1000
Number of Pressure Channels:
two (independent)
Pressure Range:
- 2,500 Pa to + 2,500 Pa
Display Resolution:
0.1 Pa for readings 0
–
999.9 Pa
1 Pa for readings 1000 Pa and larger
Accuracy at Typical Use Conditions
1
:
± 0.9 % of pressure reading or ± 0.12 Pa (whichever is greater)
1
) Typical conditions are a temperature
range of 12,2° to 32,3° C, and a two year
calibration interval.
meets EN ISO 9972:2015, EN 13829:2000, FD P50-784:2016-07,
ASTM Standard E779-03, E1554-07, CGSB-149.10-M86,
ATTMA Technical Standard 1 and NFPA 2001, RESNET and
US ACE
Recommended Calibration Interval:
two years according to the manufacturer
’s
specification
Units of Measure:
Channel A: differential pressure in Pa or in. H
2
O
Channel B: differential pressure in Pa or in. H
2
O; Airflow in
m³/h, l/s or cfm; Airflow @ 25, 50 or 75 Pa in m³/h, l/s or cfm;
Air Change Rate n
50
in 1/h; Airflow per unit area @ 25, 50 or 75
Pa in (m
3
/h)/m², (l/s)/m² or cfm/ft²
Automatic zeroing:
On start up and then once every 10 seconds.
Tilt and motion compensation between auto-zeros.
Display/Touch Screen:
(L x H) 480 x 272 pixels, 9.5 x 5.3 cm, capacitive touch screen
Display Backlight:
User adjustable (default 40%)
Time Averaging:
1 second, 5 second, 10 second or long-term average
(continuous update)
Operating Temperature Range
2
:
5.5° C to 46° C
Storage Temperature Range:
-20° C to 60° C
