CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
be quiet! Silent Wings Pro 4 140mm - UHS
Lab IDBQ14000070
  • Report: 24FN70A
  • Receipt Date: -
  • Test Date: -
  • Report Date: -
Airflow Rating
Static Pressure Rating
Aristeidis Bitziopoulos, Lab Director

General Information

Fan Testing Instrument Technical Specifications

Manufacturer Long Win Science & Technology Corporation
Model Number LW-9266
Air Flow Rate 2.4 – 250 CFM
Accuracy of Air Flow Rage < 3.5% INFS
Repeatability error < 2%
Static pressure 0-20mmAq (100mmAq with the high static pressure throttle device)
Overall Dimensions 0.7 (W) x 2.2 (L) x 1.6 (H) m
Power Source 220VAC, 5A, Single Phase, 50/60Hz
Based on Standards ISO 5801-2007, AMCA 210-0, ASHRAE 51-2007, IEC 61591-2005, GB/T 1236-200

Test Equipment

Test Environment Hemi-Anechoic Chamber with 6 dB(A) noise floor
Conditions 25(±2) degrees Celsius, 40-50% humidity
Sound Analyzer Bruel & Kjaer 2270-S G4 & 2250-L G4
Microphone Bruel & Kjaer Type 4955-A
Mic Calibrator Bruel & Kjaer Type 4231
Data Logger Picoscope TC-08

Technical Specifications Table

be quiet!
型號Silent Wings Pro 4 140mm - UHS
Max Speed (RPM)2419
Max Airflow (CFM)100.57
Max Static Pressure (mmAq)3.27
Max Fan Noise Level39.40
Fan Bearing TypeFluid Dynamic
Fan ConnectorPWM
Fan Max Current (A)0.31
Fan Weight (gr)265
Dimensions (W x H x D)140x140x25
Fan daisy-chain connector✗
Cable length (mm)505

Pressure and Airflow

PQ Chart All Speed

PQ Chart 10% Speed

PQ Chart 20% Speed

PQ Chart 30% Speed

PQ Chart 40% Speed

PQ Chart 50% Speed

PQ Chart 60% Speed

PQ Chart 70% Speed

PQ Chart 80% Speed

PQ Chart 90% Speed

PQ Chart 100% Speed

General Performance

be quiet! Silent Wings Pro 4 140mm - UHS

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CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
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