Sound Level Meter Decibel Voice Noise Dosimeter Measurement 30 ~ 130 db with Memory SL-5868P

We use DHL and Fedex. Generally, it only needs 3 days to arrive America from China. The lead time is about 1-3 business days.

Applications: 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.

Standards: IEC 651.2, ANSI 1.4.2
Parameters Measured:
Lp - Sound Level;
Leq - Equivalent Continuous A Sound Level;
Lmax - Maximum Sound Level;
LN - Percent of All Readings Over Alarm Value Set
Measurement Range:
Lp: 30 ~ 130 dB ( A Weighting ); 35 ~ 130 dB ( B Weighting ); 40 ~ 130 dB ( F Weighting )
Leq: 30 ~ 130 dB(10 Seconds, 1 Min, 5 Min, 10 Min, 15 Min, 30 Min, 1 Hour, 8 Hours, 24 Hours)
LN: 0 ~ 100%
Resolution: 0.1 dB
Accuracy: 1 dB
Frequency Weighting: ¡°A¡±/ ¡°C¡±/ ¡°F¡±(Flat)
Time Weighting: Fast (125 ms) / Slow (1 Second)
Microphone: 1/2 Inch Electret Condenser Type
Memory: Maximum Value (30 Groups)
Built in Calibration Signal: 94 dB at 1k Hz (sinusoidal)
Frequency Range: 20 ~ 12,500 Hz
Alarm Value Set: 30 ~ 130 dB
Alarm Output: LED Optional Relay Contact (NC)
Indicator: Low Battery Indicator
Power Supply: 4 x 1.5v AAA size (UM-4) Battery
External DC Power Supply: 6 V, DC; 100 mA
Dimensions: 236 x 63 x 26 mm
Weight: 170 g
Package includes:
1* Main Unit
1* Windscreen
1* Carrying Case
1* Operation Manual