SOUND LEVEL METER - Alat ukur kebisingan suara ( Banyak Model)

Alat pengukur tingkat kebisingan suara. Mengukur tingkat kebisingan dalam satuan desibel ( dB) . Ideal untuk industri, konstruksi, home theatre, research, dll ADA 2 TIPE: = = = = = = = = = = = = = = = = = = = = 1. TIPE DSM 814 Harga 450.000 Product Description This Digital Sound Level Meter is an instrument to measure Sound Pressure Level in decibels ( dB) . This meter is featured with wide measuring range ( 40 ~ 130 dB) , Bar-Graph Indication, A/ C frequency weighting, Fast / Slow response and Maximum Hold function. The meter also provides a windscreen to filter-out unwanted signals. This is a portable, easy to use and handy instrument for sound quality control in office, home, school and construction site. The meter has wide range of applications such as noise pollution studies, research and other industrial use. READY STOCK DIGILIFE: SPEC: - Portable, easy to use and handy - Range 40~ 130dB. Accuracy: 2dB ( under reference condition) - Frequency Range: 31.5 Hz ~ 8.5 kHz - Two equivalent weighted sound pressure levels, A and C - Time weighting: FAST ( high speed) / SLOW ( low speed) - Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS - AC Analog Signed Output for frequency analyzer level recorder or X-Y axis, FFT analyzer, graphic recorder, etc. to do statistical analysis of data logger - Auto power off, low battery indicator and Overload prompts - Tripod Mounting option - Passed the standards of IEC651 TYPE 2 & ANSI S1.4 TYPE 2 for SLM - Berat: 210g, ukuran 23.5 x 7.0 x 3.0cm - Power: batere 9V alkaline ( termasuk) . Bisa pakai adaptor ( adaptor tidak termasuk) VIDEO DEMO PEMAKAIAN: = = = = = = = = = = = = = = = = = = = = = = = = = = 2. TIPE DSM 1357 Harga 650rb NET READY STOCK DIGILIFE: Descriptions: This Digital Sound Noise Level Meter is designed to meet the measurement requirement of safety engineers, health, industrial safety offices and sound quality control in various environments, which include factory, office, traffic, family and audio system. Features: It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2 Accuracy up to + / - 1.5 dB Measurement Range: 30 - 130dB With two equivalents 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 Specification: Measuring Range: 30 - 130 dBA 35 - 130 dBC 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 Power Supply: 4pcs AA batteries Package Contents 1 x Digital Sound Noise Level Meter 1 x User Manual 1 x Connected wire 1 x Hard case