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Accuracty: +/-1.5dB ( In Standard sound: 94dB@1KHz)
Range of Measurement: 30~130dB
Frequency Response Range: 31.5Hz~8.5KHz
Wall Mounted: With the hanging hole, it can installed on the wall to or free stand on the table.
Alarm Function: This sound level meter with excelent alarm option .It have diferent sound level alarm configuration, time to restore operation and alarm's sound level features.
Specifications: Model: SW-525A Measure Range: 30 to 130dB Accuracy:+/-1.5dB(reference sound pressure level, 94dB@1KHz) Frequency Range: 31.5Hz to 8.5KHz Frequency Weighting: Ambient Noise Weighting Response Time: Fast Microphone: 6MM Capacitance Microphone Display: 3pcs - 3inch digitals display Resolution: 0.1dB(100dB) Alarm Reminder: Yes, Sound+Display Alarm Output: Yes Storage Function: NO Commuication: NO Power Supply: DC 5V 1A Micro USB Outlet Operation Condition: 0 to 40C, 10 to 80% RH Storage: -10 to 60C, 10-70% RH Size:21x13x28 cm/8.27x5.12x11.02 inch Weight: 450g Package Contents: 1 x SW-525A Wall Mounted Sound Meter Level 1 x USB Cable