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  • Castle GA611 dBCal Class 1 Sound Level Calibrator

Castle GA611 dBCal Class 1 Sound Level Calibrator

SKU: GA611
£475.00
£475.00
Unavailable
per item

GA611 dBCal Class 1 Sound Level Calibrator 


Most Measurement codes of practice and legislative guides demand that an independent acoustic calibration of any sound level meter should be made before and after a series of measurements and the Castle dBCal Calibrators provide just that facility. They all produce a calibration tone of 1kHz at levels of 94dB, 104dB or 114dB at the microphone. They are designed to fit standard 1/2” microphones. These calibrators fully comply with IEC60942:2018

Features include:-

  • 3 output Levels – 94dB, 104dB and 114dB
  • Fully compliant with IEC60942:2018
  • Output frequency of 1KHz
  • Temperature and pressure compensated
  • Simple operation
  • Compatible with Castle auto-cal feature
  • Tough ABS plastic case
  • Works on 2 x AA batteries
  • 70-hour battery life.
  • ½” cavity diameter
  • Product Feature Copy
  • The dBCal (GA611) is a class 1 product according to IEC60942:2018, with a tolerance of +/- 0.25dB and distortion of less than 1%.
  • Product Feature Bullets
  • Class 1 to IEC60942:2018
  • Less than 1% harmonic distortion
  • Pluss or minus 0.25dB tolerance


  • Tolerance ± 0.25 dB
  • Harmonic Distortion < 1%
  • Standards Compliance IEC 60942:2017, BS EN IEC 60942:2018, Class 1, ANSI S1.40 2006
  • Dimensions 80 (height) x 70 (width) x 30 (depth) mm
  • Weight with batteries 110g
  • Warranty 12 months

Can be used to calibrate the following meters...

·       GA141S dBair Safety class 1

·       GA141SO dBair Safety octave (1/1) class 1

·       GA141SEO dBair Safety & environment octave (1/1, 1/3) class 1

·       GA142S SONIK-S Safety data-logging sound meter class 1

·       GA142SE SONIK-SE Safety and environmental data-logging sound meter class 1

·       GA257B Personal Noise Dosimeter

·       GA257L Data logging personal sound dosimeter (LINK)


Price is each and excludes VAT at current rate.

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  • Home
  • Services
    • Noise Measurement
    • Noise Reduction
    • Hearing Protection Advice
    • Hearing Protection Training
    • Hearing Protection Validation
    • Communications >
      • Peltor Headset Repair
      • Peltor Headset Programming
  • Partners
    • EAVE
    • JSP
    • ISOtunes
  • Shop
  • About
    • News
    • Privacy Policy
  • Contact