Extech 407736 Dual Range Sound Level Meter

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Sound level meter with ±1.5dB accuracy meets Type 2 standards

فوركس netdania The Extech 407736 Sound Level Meter measures from 35 to 130dB with a 1.5dB accuracy and meets ANSI and IEC Type 2 standards.

http://etonvintners.com/?aliserto=%D8%A7%D9%84%D8%AE%D9%8A%D8%A7%D8%B1%D8%A7%D8%AA-%D8%A7%D9%84%D8%AB%D9%86%D8%A7%D8%A6%D9%8A%D8%A9-%D8%A7%D9%84%D8%AA%D8%AF%D8%B1%D9%8A%D8%A8&b2c=e4 It features fast/slow response time, A/C Weighting, Max Hold, and analogue AC/DC output for connection to an analyzer or recorder. Comes complete with microphone wind screen, 9-Volt battery, and carrying case.

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SKU: Extech 407736 Categories: , Tags: ,

Extech 407736 Dual Range Sound Level Meter Features

  • Provides 1.5dB accuracy
  • Meets ANSI and IEC 651 Type 2 standards
  • Two measuring ranges: 35 to 90dB (Low) and 75 to 130dB (High)
  • Max Hold with reset button
  • Built-in calibration check (94dB)
  • Analogue AC/DC outputs for connection to an analyzer or recorder
  • Tripod mount ideal for field use

Extech 407736  العثور على هذا http://rbsc.org.uk/?rimonibot=%D9%85%D8%B6%D9%85%D9%88%D9%86%D8%A9-%D8%A5%D8%B4%D8%A7%D8%B1%D8%A7%D8%AA-%D8%A7%D9%84%D8%AE%D9%8A%D8%A7%D8%B1%D8%A7%D8%AA-%D8%A7%D9%84%D8%AB%D9%86%D8%A7%D8%A6%D9%8A%D8%A9&2fc=ad Specifications                                                                       

Display 3-1/2 digit (2000 count) LCD
Display update rate 0.5 seconds
Microphone 0.5” Electret condensor
Measurement Bandwidth 31.5Hz to 8KHz
Dynamic range 55dB
Measurement Range 35 to 130dB (Low: 35 to 100; High: 65 to 130dB)
Frequency weighting ‘A’ and ‘C’ (selectable)
Applicable standards IEC-651 & ANSI S1.4 Type 2
Accuracy / Resolution ± 1.5dB / 0.1dB
Maximum Hold decay time <1dB / 3min
Response time Fast: 125 milliseconds / Slow: 1 second
Built-in calibration check 1KHz internal sine wave @ 94dB signal is electrical and is injected after the microphone
AC Analogue output 0.65VAC rms (full scale); 600Ω output impedance
DC Analogue output 10mVDC / dB; 100Ω output impedance (approx).
Power 9V Battery
Battery life 50 hours (typical); Low battery indicator alerts user
Operating temperature 0 to 40°C
Operating humidity 10 to 90% RH
Dimensions/weight 240 x 68 x 25mm / 210g

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