Castle GA 113 Digital Sound Level Meter 20kHz

  • RS Stock No. 479-2028
  • Mfr. Part No. GA113
  • Manufacturer Castle
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): GB
Product Details

GA113 Class 1 Integrating Sound Level Meter

Designed for Industrial Safety Officers, Safety Managers and Engineers for compliance with the Health and Safety at Work Act; Noise at Work regulation 1989. Will provide necessary information for completing risk assessments

Integrated equivalent level (Ieq) measurement
Personal sound exposure level (Lex or Lep’d) measurement
DOSE%, Projected DOSE% and Projected Lex functions
Sound pressure (Lp) to 0.1dB resolution
’A’ and ’C’ frequency weighting (toggle)
’Slow’ and ’Fast’ Time constraints (toggle)
Simultaneous measurement of Lp, Leq, Lmax and Pmax
Lmax – maximum LP hold (rms)
Pmax – maximum peak level
Elapsed time (running time hrs, min, sec)
Overload and under-range indication
Battery condition (Life approx. 24 hrs)
Optional extra: Plug-in Dosemeter microphone to convert the GA113 into a Dosemeter (stock no. 479-2056)

Dosemeter Microphone

Converts GA113 Sound Level Meter into a personal sound exposure meter (dosemeter)
Includes Class 2 (Type 2) microphone
When fitted, meter complies with IEC 61252:1993

Note: This instrument is supplied with a 1-year warranty and factory calibration from the date of manufacture. A free 3-year warranty extension is available subject to annual calibration being maintained.


For compliance with the Noise at Work regulations and relevant international standards, sound level meters should be calibrated before use and checked afterwards. See later in this section for GA607 acoustic calibrator (stock no. 479-2034). A kit case (KA010, stock no. 229-9454) for protecting your GA113 and GA60766 is also available.


IEC 61672-1:2002 Class 1; C 60651: 1979 Type 1; IEC 60804: 2001 Type 1

Attribute Value
Maximum Sound Level 140dB
Minimum Sound Level 35dB
Resolution 0.1 dB
Accuracy Class IEC 60651:1979 Type 1, IEC 61252:1993, IEC 61672-1:2002 Class 1, IEC60804:2001 Type 1
DOSE Measurement Yes
Weighting A, C
Display Type LCD - Backlit
Battery Type 9V
Fast/Slow Time Averaging Both
Maximum Frequency 20kHz
Maximum Operating Temperature +40°C
Minimum Frequency 1 Hz
Model Number p GA 113
Minimum Operating Temperature 0°C
2 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 1,701.09
(exc. GST)
$ 1,871.20
(inc. GST)
Per unit
1 +
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