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Testermeter- 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 |
Frequency Weighting Network | Characteristics of A & C. |
Data hold | / |
Peak hold | / |
Time weighting | Fast - t= 125 ms, Slow - t = 1 sec., |
Range selector | 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step, |
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. |
