Cloth Panel Systems : Q42 Automated Blower Door
The Q42 is an automated blower-door for tight and super-tight houses.
Retrotec Model Q42 consists of a DM-2A, a DU-220 Fan and a cloth door panel.
DM-2A Automatic Digital Gauge
- Controls pressure or flow
- Results without a computer!
- flow at any pressure, CFM50
- air-changes / hour, ACH50
- leakage area, EqLA @ 10 Pa
- air-flow / area (eg. m3/h/m2)
DU-220 Automatic Calibrated Fan
- built-in computer controller
- 3 calibrated flow ranges for leakage measurement of tight and super tight buildings.
- Available in 110 and 240 Volts
| Airchanges at 50Pa | Maximum Volume |
| 1.5 | 28,000 ft3 (793 m3) |
| 3.0 | 14,000 ft3 (396 m3) |
Aluminum Frame and Cloth
- Highly portable Aluminum frame and cloth door fits most standard doorways. Includes carry-case.
- Extensions and larger cloths available for extra-wide or extra-tall doorways
- High pressure cloth and cross-bar available for high pressure testing
Specifications
| CFM | Litres/s | m3/h | |
| Maximum Flow (Free Air) | 756 | 357 | 1284 |
| Maximum Flow (at 25Pa) | 700 | 330 | 1190 |
| Minimum Flow (Low Range at 10Pa) | 5 | 2 | 8 |
| Accuracy | Flow: ± 3% Pressure: ± .2 Pa | ||
Calibration Meets Canadian CGSB-149.1-2002 & SuperE, USA ASTM E 779 – 03, European EN 13829 & CEN, UK TM-23 Energy Standards.
Fits Door Sizes Width: 25” to 41.5” (63 to 105 cm) Height: 51.5” to 95” (131 to 241 cm)
| Dimensions (Packed) | Weight | |
| Fan: | 14” x 14” x 12” (35 × 35 × 30 cm) | 10.0 lb (4.5 kg) |
| Aluminum Frame and Cloth | 53” x 10” x 4” (134 × 25 × 10 cm) | 14.2 lb (6.4 kg) |
| Motor | 115 or 230V (185 Watt), Backward Curved Impeller | |
| Control | Using DM-2A (or optional Manual Speed Control) | |
Q42 System Comes Complete With
| Digital Gauge | 2-Channel DM-2A Digital Gauge with Automatic Control 10’ Umbilical for Fan Control, Power, Room Pressure and Flow Pressure DM-2 Users Manual Long-life rechargeable Ni-MH Batteries |
| Low-Flow Fan | DU220 Digital Low-Flow Fan with Automatic Control Mid-Range and Low-Range Flow Plates |
| Cloth Door | Aluminum Frame and Cloth-Door Panel Plastic Carry Case |




