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Minneapolis Blower Door System

In stock
SKU
5200.9021
$3,650.00

The Minneapolis Blower Door System has long been recognized as one of the best building air-tightness testing system in the world. Combined with specialized accessories and testing procedures developed by The Energy Conservatory, the Minneapolis Blower Door is widely used by utility DSM programs, energy raters, HVAC contractors, and weatherization professionals.

  • System includes all you need for fully automated Blower Door testing
  • DG-1000 pressure and flow gauge with built-in Cruise Control to maintain a constant Pa
  • Quick, accurate, stable flow measurements
  • Variable speed fan with lightweight, rugged housing

Product Features

The Minneapolis Blower Door System has long been recognized as one of the best building air-tightness testing system in the world. Combined with specialized accessories and testing procedures developed by The Energy Conservatory, the Minneapolis Blower Door is widely used by utility DSM programs, energy raters, HVAC contractors, and weatherization professionals.

  • DG-1000 manometer
  • Lightweight, rugged, injection molded fan housing
  • Precise, stable flow measurements without the need for gauge dampening
  • Quick and accurate flow measurements from 300 to 6,100 CFM (includes Flow Rings A and B)
  • Optional Flow Rings C, D and E will measure down to 11 CFM
  • Variable fan speed control (solid state - cruise control compatible)
  • Operates on 110V/60 Hz

What's Included

The system includes all you need for fully automated Blower Door testing:

  • Fan with variable speed controller and control cable
  • Two flow rings (A and B) and No-flow plate
  • DG-1000 Pressure and Flow Gauge (only (1) gauge needed for each fan)
  • TECTITE™ Building Airtightness Testing Software
  • 16-foot (5 meter) USB cable
  • Fabric door panel with viewing window
  • Five piece adjustable aluminum door frame and frame case
  • Padded attaché case for gauge, manuals, tubing, speed controller and fabric panel, with room for a laptop computer and other documents

Product Specs

No. of Independent Pressure Channels Two
Pressure Range -2,500 to +2,500 Pascals (-10 to +10 inches of water)
Display Resolution 0.1 Pa for readings 0 - 999.9 Pa 
1 Pa for readings 1000 Pa and larger
Accuracy at Typical Use Conditions*/** 0.9% of pressure reading or 0.12 Pa, whichever is greater
Units of Measure Channel A - Pascals (Future addition - inches of water) 
Channel B - Pascals, CFM, CFM@75, CFM@50, CFM@25, ACH50, CFM@25/ft², CFM@25/100ft², CFM@50/ft², CFM@50/100ft², CFM@75/ft², CFM@75/100ft² (Future additions - inches of water and equivalent metric units)
Auto-zero On start up and then once every 10 seconds
Time Averaging 1, 5, 10 seconds and long-term (continuous update)
Operating Temperature Range*** 42 degrees F to 115 degrees F (5.5 degrees C to 46 degrees C)
Storage Temperature Range -4 degrees F to 140 degrees F (-20 degrees C to 60 degrees C)
Display 480 x 272 pixels, 3.75 x 2.125 inches, capacitive touch screen
Display Backlight User adjustable (default 40%)
Power Two 18650 Lithium Ion batteries with AC charger/power adapter included
Battery Life Over 15 hours of continuous use with default settings 
13 hours of continuous use with default settings and wifi active
Auto-Off Adjustable from 10 minutes to 2 hours
Dimensions 7.0 x 4.2 x 1.4 inches
Weight 15.7 oz

*Typical Conditions are a temperature range of 54 to 90 degrees F, and a two year calibration interval. 
**As Calibrated Accuracy is +/- (0.3% of reading + 0.05 Pa) under controlled conditions of 67 to 77 degrees F, four month calibration interval, and pressure readings averaged for 5 seconds. All gauges are verified to meet this specification at all calibration pressures. 
***For use at temperature conditions outside the typical conditions in Note 1, or the as-calibrated range in Note 2, add an additional 0.037% of pressure reading per degree F over the stated range.

Model 3 Blower Door Fan

Maximum Flow 6,300 CFM at free air (2,973 l/s, 10,700 m3/h) 
5,350 CFM at 50 Pa (2,524 l/s, 9,090 m3/h) 
4,900 CFM at 75 Pa (2,360 l/s, 8.495 m3/h)
Minimum Flow 300 CFM with Ring B (141 l/s, 510 m3/h) 
85 CFM with Ring C (40 l/s, 144m3/h) 
30 CFM with Ring D (14 l/s, 51 m3/h) 
11 CFM with Ring E (5 l/s, 18 m3/h)
Dimensions 20 in. (50 cm) inlet diameter, 10.25 in (26 cm) length
Weight 33 lbs. (15 kg) with Flow Rings A & B
Flow Accuracy +/- 3% with DG-700 or DG-1000, Rings D & E +/- 4% or 1 CFM
Calibration Meets ASTM Standard E779, E1554, CGSB-149.10-M86, EN 13829, ATTMA Technical Standard 1, NFPA 2001, RESNET and USACE
Power 3/4 hp motor available in 110V or 220V

Adjustable Frame and Frame Material

Frame Material Extruded aluminum
Width 28 in. to 40 in. (71 cm to 101 cm)
Height 52 in. to 96 in. (132 cm to 244 cm)
Seal EPDM flexible gasket
Panel Material Nylon with built-in vinyl window
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