AS804 Sound Level Meter
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1,800.00৳
- Pick up from the Safestallbd Store
House - 11 (2ndfloor), Road - 16, Sector - 11, Uttara, Dhaka 1230
Free
- Steadfast Courier Delivery
Steadfast courier will deliver to the specified address
Inside Dhaka - (24hours) - 70 TK, Outside Dhaka -(48hours) - 130 TK
- Pathao Courier Delivery
Pathao courier will deliver your products to the specific address
Inside Dhaka - (24hours) - 70 TK, Outside Dhaka - (2-3 Days) - 130 TK
- Sundarban Courier Delivery
Sundarban courier will deliver to the specified address
Inside Dhaka - (24hours) - 80 TK, Outside Dhaka - (48hours) - 150 TK
- Warranty 1 year
- Free 7-Day Returns
Available Payment Methods:

Why use AS804 Sound Level Meter ?
AS804 Sound Level Meter is a compact, easy-to-use device designed for accurate measurement of sound pressure levels across a wide range of environments. Whether you’re monitoring workplace noise, conducting environmental studies, or ensuring compliance with industry noise regulations, the AS804 delivers reliable data with high precision.
With a measurement range of 30 to 130 dBA and a 1/2 inch condenser microphone, this device is built according to international standards (IEC651 Type 2 & ANSI S1.4 Type 2), ensuring trustworthy performance in both professional and general-purpose applications.
🔧 Product Specifications
Feature | Details |
---|---|
Microphone | 1/2 inch Condenser Microphone |
Measuring Range | 30 to 130 dBA |
Accuracy | ±1.5 dB |
Frequency Range | 31.5 Hz to 8.5 kHz |
Standard Compliance | IEC651 TYPE 2, ANSI S1.4 TYPE 2 |
Frequency Weighting | A-weighting |
Backlight Display | Yes |
Battery Indication | Yes |
Max & Min Hold Function | Yes |
Digits & Resolution | 4 digits, 0.1 dB |
Range Selection | No |
Range Over Indication | No |
Level Range Bar Graph | No |
Time Weighting | No |
Auto Power Off | Yes |
External Power Supply | Yes |
Sampling Frequency | 2 times per second |
✅ Key Benefits
-
Wide Measurement Range (30–130 dBA)
Ideal for industrial noise monitoring, office acoustics, and urban noise studies. -
High Accuracy (±1.5 dB)
Provides dependable readings for professional-grade analysis. -
A-Weighting Filter
Mimics human hearing sensitivity for more relevant environmental noise assessments. -
Compact & Portable Design
Easy to use in the field or at various job sites, with a backlight display for low-light environments. -
Max/Min Hold Function
Captures peak and minimum noise levels for time-based assessments or record-keeping. -
Standards Compliant
Meets IEC651 and ANSI S1.4 Type 2 standards for reliable acoustic measurement.
🏭 Applications
-
Workplace noise monitoring and OSHA compliance
-
Environmental and urban noise pollution studies
-
Factory and machine noise diagnostics
-
Sound level regulation in schools, hospitals, or public spaces
-
Testing audio equipment or building acoustics
-
Aircraft and vehicle noise analysis