Features: â € ¢ Automatic C-A measurement mode â € ¢ Ideal for HML method of hearing protection calculation â € ¢ Hearing protection measurements have never been easier; The C-A mode ensures automatic....
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Features: â € ¢ A and C weighting â € ¢ High and Low measuring ranges: Model 407735 - Low ( 35 to 100dB) , High ( 65 to 130dB) Model 407736 - Low ( 35 to 90dB) , High ( 75 to 130dB) â € ¢ 0.1dB resolution â € ¢ ....