Home Energy September October 2011 : Page RA2
ADVERTISEMENT ŝŐŝƚĂů'ĂƵŐĞ The Retrotec DM-2 displays every possible result with manual and fully automatic (or computerized) fan speed control, yet FDQEHVLPSOLÀHGWRVKRZRQO\ZKDW\RXQHHG0DQ\IHDWXUHVDUH *exclusive to Retrotec. ĞƚĂŝůƐ^ĐƌĞĞŶ CFM50 calculation eliminates the need for an exact test pressure. Easy to read across the room. Custom “Setup” VLPSOLÀHVRSHUDWLRQ Remove unused options. * “Set Speed” and adjust with intuitive up/down arrow keys. Air Changes shown directly on the gauge. * “Set Pressure” control to any pressure. * Normalized leakage area (m³/h/m²), required in Europe and (cfm/sq.ft.) in USA. Display custom units. HJVSHFLÀF to WA State. * System settings saved on shutdown. No need to adjust every time. * Update Online to download the latest features. * Mode: Units Available DM-2 Digital Gauge Weight Size Power 14oz/397g 8.75 x 4.25 x 3 in 22.2 x 10.8 x 7.6 cm AC adapter 4 NiMH AA rechargeable batteries Pressure: Pascals, in wc, PSF (lb/ft²) Flow: cfm, l/s, m³/s, m³/h Flow per area: cfm/ft², l/s/m², cfm/100ft², m³/h/m², cfm/1000ft² Leakage Area: EqLA (Canadian) and/or EfLA (US): cm², in², ft² EqLA and EfLA per area: in²/100ft², cm²/m², in²/in² Air changes per hour according to volume entered: /hr Hole Flow: cfm, l/s, m³/s, m³/h PBR Flow Flow/ Area 53.5 Pa 253.5 cfm 0.25 cfm/100ft² @75.0Pa 12.8 2.7 ft² @10.0Pa 1.15 in²/100ft² @10.0Pa /h EqLA EqLA/ Area Air Chg Hole Flow 103.7 cfm Frame Mount Crossbar or clamp mount available. High contrast backlight, visible in the dark. Tapered connectors best seal & easy release. Rechargeable NiMH batteries save $200/year. Umbilical helps with tubing organization.