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 Meter Model: XE66-SJ76 advantage of library stock number: M247117 

 Product Overview: 
 Noise detector 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, with LCD display, the most accurate up to ± 1.5dB. With POST since 
 Move off function, when the instrument standby turns off automatically after 20 minutes, reduce power consumption. 


 Technical parameters: 
 Power Supply: DC 1.5V AA battery or DC 6V/100mA 4 
 Ambient temperature: 0 ° C-40 ° C; 
 Relative Humidity: 10% ~ 80% RH 
 Weight: about 300 g 
 Main technical indicators: 
 1, the dynamic range: 50 dB 
 2, range: 40 ~ 130 dBA * ~ 8000HZ 
 3, Frequency weighting: A and C features 
 4 Digital display: LCD display, resolution 0.1 dB, sampling rate of 2-5 times / second 
 5, Analog Bar Graph: each scale on behalf of 1 dB, sampling rate of 2 times / sec. 
 6, measuring stalls: 30 ~ 80 dB, 50 ~ 100 dB, 60 ~ 110 dB, 80 ~ 130 dB 
 7, instructions and lack of overload: overload range display "OVER"; span less than displayed "UNDER" 
 8, the dynamic characteristics: FAST (fast), SLOW (slow) 
 9, about 30 hours battery life 
 10, POST time: about 7 seconds