เครื่องวัด เครื่องวัดเสียง Sound Meter
Sound Level Meter 840028
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- หมวด: เครื่องวัดเสียง
- เผยแพร่เมื่อ วันพุธ, 15 ตุลาคม 2557 06:33
- เขียนโดย admin2
- ฮิต: 4670
Sound Level Meter 840028
(SPER SCIENTIFIC USA)
Sound Level Meter with PC Interface Big backlit display, PC Interface & background sound absorber "High accuracy meets ANSI & IEC 651 Type 2 standards"
Sound Level Meter with PC Interface
Big backlit display, PC Interface & background sound absorber
- High accuracy meets ANSI & IEC 651 Type 2 standards
- Background noise absorber for machine noise measurements filters ambient noise
- RS-232 interface for capturing data directly on a PC
- Large display with backlighting and analog bargraph
- Min/Max
- Analog AC/DC outputs for connection to a recorder
- Tripod mount ideal for field use
Specifications:
- Digital Display: 3-1/2 digit (1999 count) Autorange LCD
- Bargraph Display: 50dB display range (1dB resolution)
- Measurement Range: 30 to 130dB (35 to 130dB for "C" weighting)
- Resolution: 0.1dB
- Accuracy: +/-1.5dB @ 94dB for a 1kHz sine wave
- Microphone: Electret Condensor .24" (6mmdia.) type
- Frequency Weighting: "A" and "C" type
- Time Response: Slow/Fast
- Sampling time: updates every 0.5 seconds
- Measurement frequencey range: 31.5Hz to 8KHz
- Analog output: AC: 0.707Vrms (full scale); DC 10mVDC/dB
- Applicable Standards: IEC 651 Type 2, ANSI S1.4 Type 2
- Power Supply: 9V battery, optional AC adaptor
- Dimensions: 10x3.1x1.5" (256x80x38mm)
- Weight: 8.5oz (240g)
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