Dwyer SM-100 Digital Sound Level Meter

Quick DetailsGrade:DIY, IndustrialWarranty:1 yearsCustomized support:OEM, ODMPlace of Origin:Guangdong, ChinaBrand Name:BENETECHModel Number:GM1357Measuring range:30~130dBA,35~130dBCAccuracy:+/- 1.5 dB (under reference conditions)Frequency range:31.5Hz~8.5KHzLevel range:30~80,50~100,60~110,80~130, 30~130dBLinearity range:50dB / 100dBPower supply:1.5V AA alkaline cells or DC 6V 100mA (maximum DC9V)Power life:About 30 hours (alkaline battery)Self calibration time:3 sWeight:308g (including battery)Dimension:256*70*35mm
This equipment has been designed to meet the meas urement requirement of Safety Engineers, Health, Industrial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system.
This equipment has the following functions: 1.  It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2  2.  Accuracy up to +/- 1.5 dB  3.  Measurement range: 30-130 dB  4.  With two equivalent weighted sound pressure levels, A and C.  5.  Fast & Slow dynamic characteristic modes.  6.  AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc
Calibration Procedures:Please use a Standard Acoustic Calibrator.  1.  Make the following settings:   Equivalent weight: A  Time weight: FAST  Level range: 60 to 110 dB  Measurement mode: MAX function disable  2.  Insert the microphone carefully into the 1/2 inch hole of the Calibrator. 3.  Turn on the Calibrator and adjust the Protentiometer inside the battery compartment of the unit  until the LCD display the desired Level94.0dB.  **Our products are all well calibrated before Shipment. Recommended recalibration cycle: 1 year.