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🌟 Master airflow like a pro — never miss a beat with UEi’s DAFM3B!
The UEi DAFM3B Digital Airflow Meter is a compact, battery-powered handheld tool designed for HVAC professionals. It measures air velocity, temperature, and humidity while calculating wet bulb, dew point, and air volume (CFM/CMM). Featuring up to 1 hour of accumulative averaging, dual English/Metric scales, and a protective sensor cap, it delivers precise, reliable data on the go. Backed by UEi’s 50+ years of expertise and a 1-year warranty, this yellow meter is engineered for accuracy, portability, and durability in demanding field environments.

| Brand | UEi Test Instruments |
| Material | Plastic |
| Item dimensions L x W x H | 0.5 x 2.9 x 7.1 inches |
| Item Weight | 0.37 Ounces |
| UPC | 053533507188 |
| Global Trade Identification Number | 00053533507188 |
| Manufacturer | UEi Test Instruments |
| Part Number | DAFM3B |
| Item Weight | 0.37 ounces |
| Product Dimensions | 0.5 x 2.9 x 7.1 inches |
| Item model number | DAFM3B |
| Batteries | 1 9V batteries required. (included) |
| Color | Yellow |
| Style | DAFM3B |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Special Features | Calculate wet bulb, dew point, and air volume (CFM, CMM), English / Metric scales, Handheld size, easy to carry, Measures air velocity, temperature and humidity, Up to 1 hour accumulative average |
| Included Components | DAFM3B, Case, Battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Warranty Description | 1-Year limited warranty |
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