AC Fan/DC Fan/EC Fan/Blower Noise Level Specifications

• JLX ELECTRONICS
• 2025-05-22 10:55:23
• 1016 Views

AC Fan/DC Fan/EC Fan/Blower Noise Level Specifications

1. Noise Level Measurement

- Expressed in dB(A) - Decibels (A-weighted)

- Measured at 1 meter distance under standard conditions

- Typical range: 15-75 dB(A)

2. Typical Noise Levels

AC Fans:

- Small household fans: 20-40 dB(A)

- Medium industrial fans: 35-55 dB(A)

- Large HVAC fans: 45-65 dB(A)

DC Fans:

- Computer cooling fans: 15-35 dB(A)

- Home appliance fans: 25-45 dB(A)

- Industrial DC fans: 30-55 dB(A)

EC Fans:

- Small EC fans: 18-38 dB(A)

- Medium EC fans: 25-45 dB(A)

- Large EC fans: 35-60 dB(A)

Blowers:

- Small blowers: 40-60 dB(A)

- Industrial blowers: 50-75 dB(A)

- High-pressure blowers: 55-75 dB(A)

3. Factors Affecting Noise Levels

- Rotational speed (RPM)

- Blade design and material

- Motor type and quality

- Vibration isolation

- Housing/casing design

4. Noise Reduction Recommendations

- Select EC fans for lowest noise in most applications

- Use vibration dampeners

- Maintain proper clearance around fans

- Choose larger, slower fans instead of smaller, faster ones

- Consider acoustic enclosures for blowers

Note: Actual noise levels vary by manufacturer and specific model. Always check product specifications for exact values.

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