(!) Since support from Microsoft will end on January 14th, 2020, Windows 7 will be excluded from the recommended environment from December 15th, 2019 on this site. Vì lý do Microsoft kết thúc hỗ trợ cho Windows 7 vào ngày 14/01/2020, Windows 7 sẽ là hệ điều hành không được khuyến khích sử dụng với trang web này từ ngày 15/12/2019.
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【Product Specifications】
・Measurement range-A: 30 to 130dB, C: 30 to 130dB
・Measurement range-Lo: 30 to 80dB, Med: 50 to 100dB, Hi: 80 to 130dB, Auto: 30 to 130dB
・Resolution-0.1dB
・Accuracy-±1.4dB(23±5℃ at 1kHz)
・Frequency range-31.5Hz to 8kHz
・Function-Data holding, max/min value display, back light, auto power-off, SD card recording, data logger
・Power supply-AA battery x 6 pcs
・Dim.-68(W) x 45(D) x 245(H)mm
・Weight-445g (including batteries)
・Accessories-Windshield sponge
・For controlling noise in ISO-certified factories and work sites
・Applicable to up to SDHC 32GB.
・With RS232 output terminal
・The SD card is sold separately.
Please check the type/dimensions/specifications of the part EA742JF in the Sound Level Meter (Digital) EA742JF series.Vui lòng kiểm tra kiểu/kích thước/thông số kỹ thuật của phần EA742JF trong chuỗi Sound Level Meter (Digital) EA742JF.
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