Sustainable Construction
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Air Velocity Meter [9545]
The VelociCalc® Air Velocity Meter 9545 is like having multiple meters for the price of one. This meter simultaneously measures and data logs several ventilation parameters using a single probe with multiple sensors. It measures velocity, temperature, and relative humidity; and calculates flow, wet bulb and dew point temperature. The 9545 model has a telescopic straight probe. Ideal for optimizing HVAC system performance, commissioning, plant maintenance, critical environment certification and duct traverses.
FEATURES AND BENEFITS
- Simple to operate
- Accurate air velocity measurement
- Calculates volumetric flow, and actual/standard velocity
- Displays humidity as % relative humidity, wet bulb or dew point temperature
- Displays up to three measurements simultaneously
- Data log 12,700+ samples and 100 test IDs
- Articulated probe version available (9545-A)
Specification
| Velocity | |
| Range | 0 to 6,000 ft/min (0 to 30 m/s) |
| Accuracy | ±3% of reading or ±3 ft/min (±0.015 m/s), whichever is greater |
| Resolution | 1 ft/min (0.01 m/s) |
| Duct Size | |
| Dimensions | 1 to 250 inches in increments of 0.1 in. (1 to 635 cm in increments of 0.1 cm) |
| Volumetric Flow Rate | |
| Range | Actual range is a function of velocity and duct size |
| Temperature | |
| Range | 0 to 200 °F (-18 to 93°C) |
| Accuracy | ±0.5°F (±0.3°C) |
| Resolution | 0.1°F (0.1°C) |
| Relative Humidity | |
| Range | 5 to 95% RH |
| Accuracy | ±3% RH |
| Resolution | 0.1% RH |
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| Data Storage Capabilities | 12,700+ samples and 100 test IDs |
| Logging Interval | 1 second to 1 hour |
| Time Constant | User selectable |
| External Meter Dimensions | 3.3 in. x 7.0 in. x 1.8 in. (8.4 cm x 17.8 cm x 4.4 cm) |
| Meter Weight with Batteries | 0.6 lbs. (0.27 kg) |
| Meter Probe Dimensions (9545) | Probe Length 40 in. (101.6 cm) Probe Diameter of Tip 0.28 in. (7.0 mm) Probe Diameter of Base 0.51 in. (13.0 mm) |
| Articulating Probe Dimensions (9545-A) | Articulating Section Length 7.8 in. (19.7 cm) Diameter of Articulating Knuckle 0.38 in. (9.5 mm) |
| Power Requirements | Four AA-size batteries or AC adapter |