| EXTECH SL400 Noise Dosimeter,LCD,30 to 130 dB Range Noise Dosimeter, Includes Belt Clip, Carrying Case, Clip-on Microphone, USB Cable, Windscreen, Digital Display Screen Type LCD, Frequency Weighting A, C, Z, Maximum Frequency Measurement 8 kHz, Maximum Sound Level Measurement 143 dB, Minimum Frequency... ... more EXTECH SL400 Noise Dosimeter,LCD,30 to 130 dB Range Noise Dosimeter, Includes Belt Clip, Carrying Case, Clip-on Microphone, USB Cable, Windscreen, Digital Display Screen Type LCD, Frequency Weighting A, C, Z, Maximum Frequency Measurement 8 kHz, Maximum Sound Level Measurement 143 dB, Minimum Frequency... | | $712.99 go to store |