à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì à¤Ã×èͧÇÑ´ÃдѺ¤ÇÒÁ´Ñ§àÊÕ§ Sound Meter > 407738: Low Range Sound Level Meter with Memory à¤Ã×èͧÇÑ´àÊÕ§ 407738: Low Range Sound Level Meter with Memory Type 2 meter measures down to 26dB range and stores up to 99 readings Features: Large LCD display with bargraph Meets Type 2 standards (ANSI S1.4-1983, IEC 60651, EN 60651) - compliant to OSHA Wide range: 26 to 130dB Internal memory to store and recall up to 99 readings A+C weighting, Fast and Slow response Max/Min recording with elapsed time stamp AC and DC analog output For complete specs please download the product datasheet à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì à¤Ã×èͧÇÑ´ÃдѺ¤ÇÒÁ´Ñ§àÊÕ§ Sound Meter > 407738: Low Range Sound Level Meter with Memory à¤Ã×èͧÇÑ´àÊÕ§