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NL27声级计|噪音计
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产品名称:
NL27声级计|噪音计
产品型号:
NL27
产品厂商:
振动测量仪|便携式测振仪|测振仪产品总汇
产品文档:
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NL27声级计|噪音计的详细介绍
| • | Compliant with Japan Measurement Law, JIS, and IEC requirements |  | | | • | Wide 107 dB linearity range allows sound level measurements from 30 to 130 dB without range | | | | • | Easy measurement of sound pressure level(Lp), equivalent continuous sound pressure level(Leq) | | | | • | Manual store function and capability to transfer data to a computer via optional USB adapter cable | | | | • | 9 houres operation on two size AAA (IEC R03) alkaline batteries |
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| < Specification > | | Applicable Standard | General-Purpose Sound Level Meter according to Japan Measurement Law JIS C 1509-1:2005 Class 2, IEC 61672-1:2002 Class 2 CE mark (EMC Directive 2004/108/EC), WEEE | | Measurement functions | Sound pressure level Lp, equivalent continuous sound pressurea level Leq, sound exposure level LE, maximum sound pressure level Lmac, peak sound level LCpeak (only when peak range was selected) | | Measurement time | 1min, 5min, 10min, 1h | | microphone | 1/2 inch electret condenser microphone UC-52
sensitivity Level: -33dB ± 3dB (re.1V/Pa) | | Measurement range | A-weighting: 30dB to 130dB
C-weighting: 36dB to 130dB | | frequency range | 20Hz to 8kHz | | Frequency weightng | A-weighting, C-weighting | | Time weighting | F(Fast), S(Slow) | | Windscreen | Unit is compliant with JIS C 1509-1 Class 2 and IEC 61672-1 Class 2 also when windscreen is mounted | | Display | TN positive display, reflective
Numeric display: 0.1dB resolution
Bar graph: Scale range 100 dB resolution(update frequency 0.1s)
Warning indecators: Over(Overload) appears at 137.4dB (1kHz), Under(Underload) appears from -0.6dB of lower scale limit
Battery capacity 3-stage indicator for remaining capacity | | Store function | processing results saved in internal memory, using manual store
Number of data: 199
Stored data can be checked on recall screen | | USB | For transfer of stored data to a computer, using optional USB adapter cable | | power requirement | size AAA(IEC R03) battery X 2 Normal temperature
Current consumption: approx. 80mA(3V operation)
Battery life: approx. 9hours(with alkaline batteries), (Wide range) approx. 3hours(with manganese batteries) | | Dimensions and weight | Approx. 120(H) X 63(W) X 23.5(D)mm, approx. 105g (including batteries) |
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