Sound Level Meter-RSL3130


Widely used to test the sound level of environment, machinery, vehicle, ship and other noise. For industrial environmental protection, construction, health care, teaching and research department.



•  Permits choice “A”, “C” , “F” weighting and “Fast” / “Slow” response times.
•  Offers 4 measurement parameters: Lp (sound level); Leq (Equivalent Continuous A Sound Level ); Lmax ( Maximum Sound Level) and LN (Percent of all readings over alarm value set ).
•  DC output :1 0 m V / d B.
•  Can memorize 30 groups of measurement results and measuring conditions.
•  Auto range selection and digital display with no guessing errors.
•  Use USB/RS-232 data output to connect with PC.
•  Provide Bluetooth data output choice.


Contact Us

Qingdao Realltech Instrument Co.,Ltd

Miss Lee

Phone: +8617806256778

QQ: 504212212

We Chat: 17806256778


Address: No.2 Huiying Road, Jiaozhou City, Qingdao City, Shandong Province, China



  • Specifications
  • Accessories
  • Resources
StandardsIEC 651.2, ANSI 1.4.2
Paraments Measured

Lp-Sound Level

Leq-Equivalent Continuous A Sound Level

Lmax-Maximum Sound Level

LN-Percent of All Reading Over Alarm Value Set

Testing Range

Lp:30~130dB(A Weighting)

      35~130dB(C Weighting)

      40~130dB(F Weighting)



Frequency Weighting'A'/'C'/'F'*(Flat)
Time WeightingFast (125 ms)/Slow (1 Second)
Microphone1/2 Inch Electret Condenser Type
Memory30 Group with Measuring Conditions
Calibration Signal Built in94dB at 1k Hz(sinusoidal)
Frequency Range20~12,500 Hz
Alarm Value Set30~130 dB
Alarm OutputLED Optional Relay Contact(NC)
IndicatorLow Battery Indicator
Power Supply4x1.5V AAA Size (UM-4)Battery
External DC Power Supply6V,DC,100mA
Dimensions236x63x26 mm
Weight170 g
Standard Accessories

Main Unit


Carrying Case (B04)

Operation Manual

Optional Accessories

ND9 Sound Level Meter Calibrator

RS-232C Data with Software

Bluetooth Data Adapter with Software