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2442 HVac Portable Flow Meter
Brand: Kurz InstrumentsThe Model 2442 HVac Portable Flow Meter is designed specifically for HVac applications. The bendable gooseneck design and telescopic wand allows maximum flexibility in obtaining accurate traverse measurement in typically difficult location, such as ceilings, supply grates, and open areas. The wand reaches 47" when fully extended.
Features- Excellent sensitivity to low velocities
- Insensitive to dirt and particulates in the flow stream
- User-configurable low velocity cut-off, reference conditions, time constraints, and flow area
- Velocity‐temperature mapping for wide ranging velocity and temperature
- Sensors do not overheat at zero flow by using a unique constant temperature control method and power limiting design
- Sensor lead-length independent circuitry
- Insensitive to installation angle
Specifications
Brand
Accuracy
- Temperature Accuracy: ± [0.5 % of Reading +1° C (1.8° F)] for Velocities Above 100 SFPM
Applications
- Combustion Air Velocity & Flow Calibration
- Flow Balancing
- General-purpose Air Flow Measurements
- Research & Development
- Survey Tests
Approvals & Certifications
- CE: EN 50081-1 for Emissions
- CE: EN 50082-2 for Immunity
- CE: EN 61000-4-5 for Surges
Approvals & Certifications
- ISO 9001
Cable Material
- Teflon-insulated Cable
Display
- Backlit Display / Keypad
Operating Temperature - Electronics
- Electronics Operating Temperature Range: -25° to 65° C (-13° to 149° F), Non-Condensing
Operating Temperature - Sensor
- -40° to 125° C (-40° to 257° F)
Power Supply
- 100-240 Vac, 50/60 Hz
- Nickel-Metal-Hydride 4.5 Ah High Performance Battery, 2.5 Hours / Full Charge
Pressure Rating
- Up to psig: 150 (bar: 10.34, kPa: 1034.21)
Range
- Velocity Range: 0 to 12,000 SFPM
Repeatability
- 0.25%
Resolution
- 16-bits ADC, 50/60 Hz
Sensor, Probe Diameter
- Sensor Support Diameter: 1/4”
Sensor, Probe Length
- Sensor Support Length: 47” (1193.8 mm) (When Fully Extended)
Sensor, Probe Material
- Glass-Coated Platinum Wire over Ceramic with Epoxy Sealant
- Sensor Support Material: 316L Stainless Steel
Time Constant
- Process Temperature Time Constant: 8 seconds at A Velocity of 6,000 SFPM
- Time Constant (Configurable): 0 to 600 seconds
- Velocity Time Constant: 300 milliseconds for Temperature Changes at a Constant Velocity of 6,000 SFPM
- Velocity Time Constant: 50 milliseconds for Velocity Changes at 6,000 SFPM at a Constant Temperature