Wintact WT1357 Digital Sound Level Meter, Range: 30dB~130dB

The Wintact WT1357 is a digital sound level meter designed for measuring sound levels. It features automatic calibration and a digital display for accurate readings.

• Product type: Light & Sound Meter
• Material: Durable
• Automatic calibration
• Automatic linear compensation
• Sound velocity measurement
• 12 thickness measurement storage and calling functions
• Coupling status indication
• Thickness alarm setting
• LCD backlight display
• Low battery indication
• Automatic shutdown
• Metric / imperial selection
• 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)
• 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
• DC Signal Output: 10mV/dB
• Dynamic Characteristic: FAST/SLOW
• Power Supply: 4x AA 1.5V battery or DC 6V 100mA (not included)