Digital Sound Level Meter Alat Ukur Pengukuran Kebisingan Suara GM1356

GM1356 Digital Sound Level Meter Noise Meter dB Meter with USB The sound level meter is an instrument for the measurement of ambient sound level. It has been designed to meet the requirements of noise engineers, noise quality control and health prevention in various environments,, such as noise measurement in factory, office, traffic road, family and other noise measurement applications. Features: Sound Level Range: 30dB~130dB. Automatic backlight and analogue bar Graph. Max value hold function. Auto Power Off in 10 minutes. Fast/Slow time weighting Selection. Weighting A/C frequency selection. Both AC and PWM signal output are available. Calendar function. 4700 data record function and data clear function. With USB interface to provide data record downloading, real-time data sampling analysis, and printing graph amp; data function. Specifications: Measurement of sound level range: 30dB~130dBA, 35~130dBC Level accuracy: 1.5dB (reference sound pressure standard, 94dB1KHZ) Resolution: 0.1dB Frequency response: 31.5Hz ~8.5KHz Measuring level: 30~130, 30~80, 50~100, 60~110, 80~130 Frequency weighting characteristic: A amp; C Time weighting: FAST/SLOW Sampling rate: 20 times/second Analogue bar Graph: 1db/1 bar graph Calendar Accuracy: 30 seconds/day Data record: 4700 General Characteristics: Operating temperature and humidity: 0 - 40?, 10-80%RH Power Supply: 4 * 1.5V AA battery (not included) Item Weight: about 200g Dimensions: 256 * 70 * 35mm Package Size: 26 * 8 * 6.5cm / 10.2 * 3.2 * 2.5in Package Weight: 438g / 15.44oz Package List: 1 * Digital Sound Level Meter 1 * AC Output Wire 1 * Sponge Ball 1 * CD Software 1 * USB Interface 1 * English Manual Sudah termasuk Koper nya