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Xtester- IEC 61672 class 2 SOUND LEVEL METERSL-4001

Xtester- IEC 61672 class 2 SOUND LEVEL METERSL-4001

2024-10-17 19:06:58  

Xtester- IEC 61672 class 2 SOUND LEVEL METERSL-4001

  • Main Features :
  • Serial No. : Zoe439

Xtester- IEC 61672 class 2 SOUND LEVEL METERSL-4001

 

The SL-4001 Sound Level Meter provides accurate and reliable measurements of sound pressure levels, making it an essential tool for various industrial, environmental, and audio applications.


 

Exceptional Features of the SL-4001:

 

1. Large LCD Display: Features a large, easy-to-read LCD display that ensures clear read-outs even in bright ambient light conditions, consuming low power for efficient operation.

 

2. Max Hold Function: Stores the maximum value on the display, allowing users to capture peak sound levels effectively.

 

3. Frequency Weighting Networks: Conforms to IEC 61672 Class 2 standards with A & C weighting networks, making it suitable for a wide range of sound measurement applications.

 

4. Time Weighting Modes: Offers Fast (125 ms) and Slow (1 second) dynamic characteristic modes, enabling users to select the appropriate response time for their measurements.

 

5. Versatile Output Options:Provides both AC and DC output for system expansion, facilitating connection with analyzers, level recorders, and tape recorders.

 

Technical Specifications:

- Display: 

  - Type: LCD (Liquid Crystal Display)

  - Size: 18 mm (0.7 inch), 3 1/2 digits

 

- Measurement Functions:

  - Sound Pressure Level (SPL):

    - Range: 30 to 130 dB (input signal only)

    - Resolution: 0.1 dB

    - Accuracy: Frequency weighting meets IEC 61672-1-2013 Class 2 standards

      - 31.5 Hz: ±3.0 dB

      - 63 Hz: ±2.0 dB

      - 125 Hz: ±1.5 dB

      - 250 Hz: ±1.5 dB

      - 500 Hz: ±1.5 dB

      - 1 kHz: ±1.0 dB

      - 2 kHz: ±2.0 dB

      - 4 kHz: ±3.0 dB

      - 8 kHz: ±5.0 dB

 

- Frequency Weighting Network:

  - A weighting: Simulates the human ear response, typically used for environmental sound level measurements.

  - C weighting: Provides a near-flat response, suitable for measuring machinery noise and sound pressure levels.

 

Frequency Range: 31.5 Hz to 8,000 Hz

 

Calibration:

  - Built-in adjustment VR for easy calibration using a screw driver.

  - Internal oscillation system with a 1 kHz sine wave generator.

  - Compatible with B & K (Bruel & Kjaer) Model 4226 multifunction acoustic calibrator.

 

Microphone Type: Electric condenser microphone (1/2 inch standard size)

 

- Range Selector:

  - 30 to 80 dB

  - 50 to 100 dB

  - 80 to 130 dB

  - Over and under range indication.

 

- Output Signal:

  - AC output: 0.5 Vrms corresponding to each range step.

  - DC output: 0.3 to 1.3 VDC, 10 mV per dB.

  - Output impedance: 600 ohm.

  - Output terminal: 3.5 mm phone output terminal.

 

- Power Supply: 006P DC 9V battery (heavy duty type)

 

Power Consumption: Approx. DC 9.5 mA

 

- Operating Environment:

  - Temperature: 0 to 50℃

  - Humidity: Less than 80% RH

 

Dimensions: 245 x 80 x 35 mm (9.6 x 3.2 x 1.4 inches)

 

Weight: 220 g (0.48 lb) without battery

 

Accessories Included:

 

- Instruction Manual: 1 PC

- Calibration Screw Driver: 1 PC

 

Optional Accessories:

 

- 94 dB Sound Calibrator, Model: SC-941

- 94 dB/114 dB Sound Calibrator, Model: SC-942

- Hard Carrying Case, Model: CA-06

 

Advanced Features:

 

Microprocessor Circuit: Ensures high accuracy and reliability with special functions.

Durable Design: Features a strong, lightweight ABS plastic housing for long-lasting use.

One-Hand Operation: Small and lightweight design allows for convenient one-hand operation.

Low Battery Indicator: Alerts users when the battery is low, ensuring continuous operation.

 

Applications:

 

Environmental Monitoring: Measure sound pressure levels for environmental noise assessments.

Industrial Maintenance: Monitor noise levels in industrial settings to ensure compliance with safety standards.

Audio Testing: Evaluate sound levels for audio equipment testing and calibration.

 

Invest in the SL-4001 Sound Level Meter for precise and reliable sound pressure level measurements, ensuring high performance and versatility in various industrial, environmental, and audio applications.

 

Specifications

Circuit

/

Display

18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.

Measurement Range

3 ranges, 30 to 130 dB, input signal only.

Resolution

0.1 dB.

Function

dB (A & C frequency weighting), Time weighting(Fast, Slow), Max. hold, AC & DC output.

Accuracy

Frequency weighting meet IEC 61672-1-2013 class 2, calibrating input signal on 94 dB(31.5 Hz to 8
(23 ± 5 ℃) kHz), then the accuracy of frequency weighting is specified as following:
31.5 Hz -reading ± 3.0 dB, 63 Hz -reading ± 2.0 dB, 125 Hz -reading ± 1.5 dB
250 Hz -reading ± 1.5 dB, 500 Hz -reading ± 1.5 dB, 1 kHz -reading ± 1.0 dB
2 kHz -reading ± 2.0 dB, 4 kHz -reading ± 3.0 dB, 8 kHz -reading ± 5.0 dB

Frequency Weighting Network

Characteristics of A & C.
A weighting - The characteristic is simulated as "Human Ear Listening" response. Typical, if making
the environmental sound level measurement, always select to A weighting.
C weighting - The characteristic is near the "FLAT" response. Typical, it is suitable for checking the
noise of machinery (Q.C. check) & knowing the sound pressure level of the tested
equipment.

Data hold

/

Peak hold

/

Time weighting

Fast - t= 125 ms, Slow - t = 1 sec.,
* "Fast" range is simulated the human ear response time weighting.
"Slow" range is easy to get the average values of vibration sound level.

Range selector

30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step,
with over & under range indicating.

Frequency

31.5 Hz to 8,000 Hz.

Microphone type

Electric condenser microphone.

Microphone size

1/2 inch standard size.

Calibration VR

/

Calibrator

B & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.

Datalogger Sampling Time Setting range

/

Memory Card

/

Advanced setting

/

Over Indication

/

Data Hold

/

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

220 g/0.48 LBS (without battery).

Dimension

245 x 80 x 35 mm ( 9.6 x 3.2 x 1.4 inch).

Accessories Included

/

Optional Accessories

94 dB Sound Calibrator, Model : SC-941.
94 dB/114 dB Sound Calibrator, Model : SC-942.
Hard carrying case, Model : CA-06.

 


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