Beijing North Ruida Medical Technology Co., Ltd! 
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 Welcome to telephone consultation! 
 Contact: Miss Li 
 Tel: 18,910,282,511 15,303,362,410 15,303,362,401 15,369,678,940 
 E-mail: 1508566524@qq.com 
 Fax :010 -58,411,891 
 Address: Langfang City, Hebei Province, North Industrial Park Gu'an Gu'an 
 Postal Code: 065500 
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 Noise class / Noise Meter / Sound Level Meter / Noise meter / decibel meter Model: SJ7AZ68242 (gold spot advantage) AZ8928 teaching instrument bank number: M270566 
 Noise class / Noise Meter / Sound Level Meter / Noise meter / decibel meter SJ7AZ68242 (gold spot advantage) AZ8928 teaching instrument for more information>>> 
 midwest-group 
 midwest-group 
 Product Overview: 
 Noise Meter 
 http://www.hd315.org/e 
 For the primary and secondary schools to carry out extra-curricular activities, teaching environmental monitoring equipment. The main instrument used to determine 
 Ambient noise, making noise, engineering, quality control and health prevention and control. Such as for factories, offices, roads, or sound 
 Ring, families, and air conditioners, refrigerators and so on various occasions, the noise level measurement. 
 The noise analyzer for high-precision instrument 
 http://www.hd315.org/e 
 , The use of liquid crystal display, the most accurate up to ± 1.0dB. With POST, 
 Automatic shutdown function, when the standby instrument turns off automatically after 20 minutes, reduce power consumption. 

 Noise Meter 
 http://www.hd315.org/e 
 Main indicators 
 1, range: 40 ~ 130dB 
 2, the measurement error: ≤ ± 1.0dB 
 3, response time: ≤ 200ms 
 4, automatic switching gear, max maximum lock lock 
 5, Display: LCD display digital display plus Bar Code 
 6, Power: DC9V laminated battery 
 Noise Meter 
 http://www.hd315.org/e 


 Hotline :400 -705-0014 
 Guangzhou Office: Manager Wu 
 Phone :020 -86,439,589 
 Fax :020 -86,434,341 
 Mobile: 18926109644 

 Fujian Office: Mr. Huang 
 Tel :0595 -28,012,825 
 Fax: 0595-28012835 
 Address: Building 1907, Quanzhou, Fujian far too 
 Zip: 362000 

 Kunming Office: Zhang 
 Tel :0871 -5528044, 
 Fax :0871 -5,527,044 
 Mobile: 13378808044 

 Chengdu Branch: Mr. Huang 
 028-83328568 
 028-83328568 

 Shanghai Branch: Mr. Huang 
 Tel -68451423, 
 Fax 021 -68487423 

 Xi'an Office 2 
 Contact: Manager Wang 
 Phone :029 -88,106,002 
 Mobile: 15353597826 
 Fax 029 -88106002 

 Lanzhou Office: Caijing Li 
 Tel :0931 -7,335,140 
 Fax :0931 -7,531,506 

 Harbin Office: Fund Manager 
 Tel :0451 -58,937,516 
 Fax :0451 -58,937,517 
 Mobile: 13304513921 13304513920 
 West Group 
 West Group 

 Noise class / Noise Meter / Sound Level Meter / Noise meter / decibel meter SJ7AZ68242 (gold spot advantage) AZ8928 teaching apparatus