Cybenetics Test - be quiet! Light Wings Reverse 140mm PWM White

CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus

Version:00

be quiet! Light Wings Reverse 140mm PWM White

Serial Number4260052192900

Lab IDBQ14000171

Certification IDFN25171

Airflow Rating

Static Pressure Rating

Aristeidis Bitziopoulos, Certification Body General Manager

General Information

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 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

Brand	be quiet!
Modell	Light Wings Reverse 140mm PWM White
Max Speed (RPM)	1372
Max Airflow (CFM)	56.81
Max Static Pressure (mmAq)	1.15
Max Fan Noise Level (dBA)	29.20
Fan Bearing Type	Rifle
Fan Connector	PWM
Fan Max Current (A)	0.08
Fan Weight (gr)	238
Dimensions (W x H x D)	140x140x26
Fan daisy-chain connector	✗
Cable length (mm)	490
Notes	Very low pressure at 10% PWM.