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产品介绍
Castle GA216B 液位计
Castle Sound Level Meter 20kHz 35 → 140 dB
Castle
Castle GA216B Sonus Class 2 Sound Pressure Level Meter Castle GA216B is designed for general survey health & safety and engineering applications by industrial safety officers, occupational nurses, fire alarm installation & test engineers and industrial engineers. It gives clear results which meet the requirements of international standards. GA216B is a Sonus range entry-level Type 2 sound meter fully compliant with IEC 61672-1:2002. The difference between Type 1 and Type 2 is in the tolerance, for example: at reference frequency 1kHz, tolerance is ±1.1dB (Type 1) and ±1.4dB (Type 2); at 20Hz, tolerance is ±2.5dB (Class 1) and ±3.5dB (Class 2). Compliance with IEC 61672-1:2002 Class 2 and IEC 60651:1979 Type 2 is necessary for carrying out most noise assessment tasks in industry. Sound Pressure (Lp) to 0.1 dB resolution'A' and 'C' frequency weighting (toggle)'Slow' and 'Fast' Time weighting (toggle)Simultaneous measurement of Lp, Lmax, and CpeakLmax - maximum Lp hold (rms)Cpeak - maximum peak levelElapsed time (running time hrs, min, sec)Over Load and Under Range indicationHoused in tough, crack-resistant ABS plasticDimensions 60mm x 30mm (excluding pocket clip) x 135mm (210mm with microphone)Weight 200g (without battery) Comparison Table: Sonus Sound Meters Class 1 Class 2 Basic– sound pressurelevel GA216B ( 909-1884 ) Integrating—(Leq) GA116I ( 909-3742 ) GA216I ( 909-3733 ) Data-logging GA116L ( 909-3749 ) GA216L ( 909-3745 ) Standards IEC 61672-1:2002 Class 2, IEC 60651: 1979 Type 2 Sound Meters ; Maximum Sound Level 140dB; Minimum Sound Level 35dB; Resolution 0.1 dB; DOSE Measurement Yes; Weighting A, C; Display Type LCD; Battery Type Alkaline, PP3; Fast/Slow Time Averaging Both; Data Logging Yes; Interface Type USB; Maximum Frequency 20kHz; Minimum Frequency 1 Hz;
Sound Level Meters
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