Product Description
Lutron MSL-388SD Sound Level Data Recorder
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Innovation and easy operation, the computer doesn’t need to prepare extra software, after running the datalogger, just take out the SD card from the meter and plug the SD card into the computer, it can download all measured values with time information (year/month/date/hour/minute /sec ) to Excel directly, then users create further data or chart analysis themselves.
Features Lutron MSL-388SD Sound Level Data Recorder
- Frequency and Time weighting is designed to comply with IEC 61672 class 2
- The A&C weighting network is standard compliant
- The LCD is dot-matrix with backlight and easy reading
- Data logger and sound level meter
- Standard 0.5″ microphone head
- Time-weighted dynamic characteristics mode (Fast & Slow)
- Condenser microphone for high accuracy & long term stability
- Memory function to store Max. & Min. mark
- Hold function
- Real time data logger. Recording device from external memory device (SD memory card), Real-time
- Datalogger, Built-in Clock and Calendar, Real-time data recorder, sampling time set from 5,10,30,60,120,300,600,1800,3600 seconds
- PEAK Hold function
- SD card capacity: 1GB to 16GB
- Can auto power off or manual power off
- Analog output 4-20 mA
- Microcomputer circuit, high accuracy
- Powered by UM4/AAA ( 1.5 V ) x 6 batteries or 9V DC adapter
- RS232/USB PC PC interface
- Heavy duty & compact housing case
Specifications Lutron MSL-388SD Sound Level Data Recorder
| Circuit | Custom one-chip LSI microprocessor circuit | |
| Featuring | * LCD Size: 50 mm x 30 mm * LCD with backlight (ON/OFF) |
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| Measurement Type | SPL : Sound pressure level | |
| Measuring Range | SPL：30-80.50-100.80-130 , Auto 30 – 130 dB | |
| Resolution | 0.1 dB | |
| Function | * dB (frequency weighting A & C) * Time weighting (Fast, Slow) * Data hold, PEAK HOLD * Record (Max., Min.) |
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| Accuracy | * The characteristics of the “A” frequency weighted network comply with IEC 61672-1-2013 class 2. * Under 94 dB input signal, the accuracy is: – 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 |
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| Frequency Weighting Network | * Characteristics A & C. * Weighting : Characteristics simulated in response to “Listen to Human Ears”. Usually, when measuring environmental noise levels, always select the A weighting. * Weighting C: Characteristics close to the response “FLAT”. Typical, suitable for checking engine noise (Q.C.check) & knowing the sound pressure level of the equipment being tested. |
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| Data storage | To freeze measurement values | |
| PEAK Hold | To Maintain the peak measurement value (max.) | |
| Time weighting (FAST & SLOW) | * Fast – t = 125 ms The “Fast” range is simulated by weighting human ear response times. * Slow – t = 1 s The “Slow” range is easy to get the average value of the sound vibration level. |
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| SPL selector function | * Range: 30-80dB, 50-100dB, 80-130dB * Auto range：30～130dB |
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| Frequency | 31.5 to 8000 Hz | |
| Microphone type | Electric condenser microphone | |
| Microphone size | Outer size, DIA 12.7 mm. (1/2 inch) | |
| VR calibration | Build in external calibration (lock), easy to calibrate at 94 dB level with lock button | |
| Calibrator | B & K (Bruel & kjaer), MULTIFUNCTIONAL ACOUSTIC CALIBRATOR Type 4226 | |
| Datalogger Sampling Timing Range | Auto 5,10,30,60,120,300,600,1800, 3600 seconds | |
| Memory device | external memory device: SD memory card. 1GB to 16GB | |
| Advanced settings | * Set clock time (Year/Month/Date, Hour/Minute/Second) * Set sampling time * Automatic shutdown management * Set Beep sound ON/OFF * SD card setting decimal point * Format SD memory card |
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| More Indication | Show ” – – – -“ | |
| Data Store | Freezes display reading | |
| Memory Recall | Maximum & Minimum values | |
| Display Sampling Time | Approx. 1 second | |
| Data Output | PC PC RS 232/USB interface | |
| Power Off | Auto power off (Approx. 10 Minutes) saves battery life or manual power off at the push of a button | |
| Operating Temperature | 0 to 50℃ | |
| Operating Humidity | Less than 85% R.H | |
| Power Supply | * Alkaline or heavy duty DC 1.5 V batteries ( UM4, AAA ) x 6 PCs, or equivalent * DC 9V adapter input. (AC/DC power adapter is optional) |
|
| Power Current | Normal operation (without SD card saving data and LCD Backlight OFF) | |
| Approximately. DC 8.1 mA | * When SD card saves data but and LCD Backlight is OFF): Approx. DC 22~34 mA. * If the LCD backlight is on, the power consumption will increase by approx. DC 2.4 mA. |
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| Weight | 230 g/ 0.51 LB. (without battery) | |
| Dimensions | 132 x 80 x 32mm. (5.2 x 3.1 x 1.3 inches) | |
Accessories Included
- Instruction manual…………………………………..1 PC
- Plug of 4 to 20 mA output ( SKT-AS385 )…….. 1 PC
- Micophone with clip…………………………………1 PC
- AC to DC 9V adapter………………………………..1 PC
Optional Accessories
- Sound calibrator ( 94 dB ), SC-941
- Sound calibrator ( 94/114 dB ), SC-942
- Sound wind shield ball, SB-01
- SD Card
- USB cable, USB-01
- RS232 cable, UPCB-02
- Data Acquisition software, SW-U801-WIN
- Excel data Acquisition software, SW-E802
Lutron MSL-388SD – Datasheet
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