CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
be quiet! Silent Wings Pro 4 140mm - UHS
Serial Number
Lab IDBQ14000070
Certification IDFN25070
  • Test Result Report ID: 25FN70A
  • Certificate Issue Date: -
Airflow Rating
Static Pressure Rating
Aristeidis Bitziopoulos, Certification Body General Manager

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

Brandbe quiet!
ModellSilent Wings Pro 4 140mm - UHS
Max Speed (RPM)2419
Max Airflow (CFM)100.57
Max Static Pressure (mmAq)3.27
Max Fan Noise Level (dBA)39.40
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 30% Speed

PQ Chart 40% Speed

PQ Chart 50% Speed

PQ Chart 60% Speed

PQ Chart 70% Speed

PQ Chart 90% Speed

PQ Chart 100% Speed

General Performance

be quiet! Silent Wings Pro 4 140mm - UHS

Front
Rear
ybenetics bietet die freiwilligen ETA- und Lambda-Zertifizierungsprogramme an, mit denen effiziente und leise Netzteile (PSU) beworben werden
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com