International Group Portable Mini Digital LCD Display Sound Level Meter Noise Pressure Noise Decibel Tester 30-130dB Measure GM1357

Features: It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2 Accuracy up to +/- 1.5 dB With two equivalent weighted sound pressure levels, A and C. Fast and slow dynamic characteristic modes AC and DC output for frequency analyzer lever recorder, FFT analyzer, graphic recorder etc. Tripod Mounting option Descriptions: Accuracy: ±1.5 dB (under reference conditions) Frequency Range: 31.5Hz - 8.5KHz Level Range: 30 - 80, 50 - 100, 60 - 110, 80 - 130, 30 - 130 dB Linearity Range: 50dB / 100dB Frequency Weighting: A / C Digital Display: 4 digits Resolution: 0.1dB Sample Rate: 2 times/second Over Indication: OVER / UNDER AC Output: 0.707Vrms at FS output impendence approx.600 ohm DC Output: 10mV /dB, output impendence approx.100ohm Time Weight: FAST / SLOW Microphone: 1/2 inch electric condenser microphone Specifications: Brand Name: None Model Number: None External Dimension:260mm*65mm*37mm Weight: Other Power Source: 4pcs 4AA batteries (not included) Measuring Range:30 - 130 dBA；35 - 130 dBC Package Includes: 1* Digital Sound Noise Level Meter 1*Connected Wire

International Group Portable Mini Digital LCD Display Sound Level Meter Noise Pressure Noise Decibel Tester 30-130dB Measure GM1357