Digital Sound Level Meter – SL-4010

The SL-4010 Digital Sound Level Meter provides accurate and reliable measurements of sound level, making it an essential tool for various industrial, environmental, and HVAC applications.

Exceptional Features of the SL-4010:

1. Economical and High Accuracy: Offers high accuracy in measuring sound levels at an economical cost, meeting IEC 61672 class 2 standards.
2. Large LCD Display: Features a large LCD display for easy readout and low power consumption, even in bright ambient light conditions.
3. A Frequency Weighting: Uses the “A” frequency weighting network designed to simulate human ear listening response, complying with IEC 61672 class 2 standards.
4. Fast Time Weighting: Incorporates a “Fast” time weighting characteristic mode, simulating the human ear response to sound.
5. Durable and Portable: Constructed with a strong, lightweight ABS plastic housing, allowing for one-handed operation and durability in various environments.

Specifications

Circuit: /
Display: 18 mm (0.7″) LCD (Liquid Crystal Display), 3 1/2 digits.
Measurement Range: 35 to 130 dB, 3 ranges: range 1 – 35 to 80 dB, range 2 – 50 to 100 dB, range 3 – 80 to 130 dB, Each range with warning indicator for over & under load.
Resolution: 0.1 dB.
Function: /
Accuracy: Characteristics of “A” frequency weighting network meet IEC 61672 class 2.
Accuracy: Under 94 dB input signal, the accuracy are:
Accuracy: 31.5 Hz – ± 3.5 dB, 63 Hz – ± 2.5 dB, 125 Hz – ± 2.0 dB
Accuracy: 250 Hz – ± 1.9 dB, 500 Hz – ± 1.9 dB, 1 kHz – ± 1.4 dB
Accuracy: 2 kHz – ± 2.6 dB, 4 kHz – ± 3.6 dB, 8 kHz – ± 5.6 dB
Frequency Weighting Network: Characteristics of “A” frequency weighting network.
Frequency Weighting Network: Weighting Network The “A weighting” characteristic is simulated as “Human Ear Listing” response
Data hold: Hold function to freeze the display value.
Peak hold: /
Time weighting: Default to “Fast” time weighting characteristics. “Fast time weighting” is simulated the human ear response character
Range selector: /
Frequency: /
Microphone type: Electric condenser microphone.
Microphone size: 1/2 inch standard size.
Calibration VR: Build in external calibration VR, easy to calibrate on 94 dB level by screw driver.
Calibrator: B & K (Bruel & kjaer), multi-faction acoustic calibrator, model: 4226
Datalogger Sampling Time Setting range: /
Memory Card: /
Advanced setting: /
Over Indication: /
Data Hold: Hold function to freeze the display value.
Memory Recall: /
Sampling Time of Display: /
Data Output: /
AC output: /
Power off: /
Operating Temperature: 0℃ to 50℃ (32℉ to 122℉).
Operating Humidity: Less than 80% RH
Power Supply: 006P DC 9V battery (heavy duty type).
Power Current: /
Weight: 250 g/0.55 LB (including battery).
Dimension: 225 x 70 x 28 mm (8.9 x 2.8 x 1.1 inch).
Accessories Included: /
Optional Accessories: 94 dB Sound Calibrator, Model: SC-941.
Optional Accessories: 94 dB/114 dB Sound Calibrator, Model: SC-942.
Optional Accessories: Sound wind shield ball, Model: SB-01.
Optional Accessories: Hard carrying case, Model: CA-06.

Technical Specifications:

Display:
Type: 18 mm (0.7″) LCD, 3 1/2 digits

Measurement Functions:
Sound Level Range: 35 to 130 dB, 3 ranges:
Sound Level Range 1: 35 to 80 dB
Sound Level Range 2: 50 to 100 dB
Sound Level Range 3: 80 to 130 dB
Resolution: 0.1 dB
Frequency Range: 31.5 Hz to 8,000 Hz
Frequency Weighting: A weighting network
Time Weighting: Fast time weighting
Accuracy: 31.5 Hz: ±3.5 dB
Accuracy: 63 Hz: ±2.5 dB
Accuracy: 125 Hz: ±2.0 dB
Accuracy: 250 Hz: ±1.9 dB
Accuracy: 500 Hz: ±1.9 dB
Accuracy: 1 kHz: ±1.4 dB
Accuracy: 2 kHz: ±2.6 dB
Accuracy: 4 kHz: ±3.6 dB
Accuracy: 8 kHz: ±5.6 dB
Microphone: Electric condenser microphone, 1/2 inch standard size
Calibration: External calibration VR, easy to calibrate on 94 dB level by screw driver

General Specifications:

Operating Temperature: 0 to 50℃ (32 to 122℉)
Operating Humidity: Less than 80% RH
Power Supply: 006P DC 9V battery (heavy duty type)
Power Consumption: Approx. DC 6 mA
Dimensions: 225 x 70 x 28 mm (8.9 x 2.8 x 1.1 inch)
Weight: 250 g (0.55 lb, including battery)

Accessories Included:
Instruction Manual: 1 PC

Optional Accessories:
94 dB Sound Calibrator (Model: SC-941)
94 dB/114 dB Sound Calibrator (Model: SC-942)
Sound Wind Shield Ball (Model: SB-01)
Hard Carrying Case (Model: CA-06)

Advanced Features:

Data Hold Function: Freezes the display value for convenient recording.
Over and Under Range Indicator: Alerts for over and under range conditions.
Low Battery Indicator: Alerts when the battery is low, ensuring continuous operation.
Calibration Adjustment: Built-in adjustment VR for easy calibration.
Compact and Lightweight: Allows for one-handed operation and easy portability.

Applications:

Environmental Monitoring: Measure sound levels in various environmental studies.
HVAC Systems: Check sound levels in heating and cooling systems.
Industrial Maintenance: Monitor sound conditions in various industrial applications.

Invest in the SL-4010 Digital Sound Level Meter for precise and reliable sound level measurements, ensuring high performance and versatility in various industrial, environmental, and HVAC applications.