Auto calibration to assure the accuracy.
Auto linear compensation: this advanced software program enhances the precision by correcting the non-linear accuracy of transducer.
Make a quick adjustment for the sound velocity / thickness, and a quick recall to the stored data
Coupling status indication: Observing the coupling to learn if the coupling is accomplished or not.
12 thickness measurement storage and recall function available, which facilitates the height work or working in wild area.
Sound velocity measurement.
12 sound velocity for different material which is also adjustable .
Thickness alarm setup.
LCD backlight display.
Low battery indication and auto power off.
Metric/imperial selection.
Technical Parameter
Accuracy: 1.5dB (under reference conditions)
Measuring Level: 30-130dB (A)/35-130dB (C)
Frequency Range: 31.5Hz to 8.5KHz
Linearity Range: 50dB/100dB
Digital Display: 5 digits
Resolution: 0.1dB
Bar Graph: 50 dB
scale at 1 dB step for monitoring current sound pressure level display
Overload Indication: OVER/UNDER
Frequency Weighting: A and C
Level Ranges: 30-80dB, 50-100dB, 60-110dB, 80-130dB
Self Calibration Time: 3sec
Sampling Rate: 20 times/seconds
AC Signal Output: 0.707Vrms/ full bar graph, output impedance is about 600ohm
Signal Output: 10mV/dB,output impedance is about 100ohm
Dynamic Characteristic: FAST (high speed)/SLOW (low speed)
Power Supply: 4x AA 1.5V battery or 6V 100mA (not include)
Microphone: 1/2" Electrinic Condenser microphone
Item dimensions: 256 x 70 x 35mm
Item weight: 238g
Package Includes:
1 Pc Sound Level Meter
1 Pc Sponge Ball
1 Pc Operation Manual
1 Pc 6V Cable