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MEWOI-JY205B-Class 1,1/1OCT,1/3OCT Integrating-averaging Sound Level Meter
INTRODUCTION
MEWOI-JY205 series integrating-averaging sound level meters are hand-held instruments, designed to China national standard GB/T 3785-2010 and international standard IEC 61672:2:2013 to Class 1 or Class 2. Otherwise, they meets the requirements of GB/T 15952-2010 or IEC 61252:2002 Personal sound exposure meters, GB/T 3241-2010 and IEC 61260:2014 Octave-band and fractional-octave-band filters. Structure-borne noise meets the requirements of GB 22337-2008 Emission standard for community noise and GB 12348-2008 Emission standard for industrial enterprises noise at boundary. Secondary noise meets the requirements of JGJ/T 170-2009 Standard for limit and measuring method of building vibration and secondary noise caused by urban rail transit. The 24h measurement meets the requirements of GB 3096-2008 Environmental quality standard for noise and HJ 640-2010 Routine monitoring for urban environmental noise. They are suitable for field measurement of various noises, such as mechanical and electrical products, environment, traffic and workplaces. |
TECHNICAL SPECIFICATION
Standard: | GB/T3785-2010, IEC 61672:2013, Class 1 or Class 2 |
| Measurement Parameters: | Lp, Leq, LAE, L5, L10, L50, L90, L95, Lmax, Lmin, LCpeak, EA. |
| Microphone: | Project measurement microphone of Type HY207 Class 1, or HY205 Class 2, nominal diameter 12.7mm, free-field frequency response. |
| Measurement Range: | A: 30dB ~ 130dB, C: 40dB ~ 130dB, Z: 45dB ~ 130dB |
| Time Weighting: | F(Fast), S(Slow), I(Impulse) |
| Filters: | 1/3 octave filter and 1/1 octave filter |
| Integrating time: | manually controlled measurement time during 5s ~ 99h 59min 59s |
| Display: | 320x240 TFT color LCD, resolution 0.1dB, with overload, under-range and low battery voltage indicators. |
| Digital output: | output socket DB9 male connector, RS232 serial interface, baud rate 9600Bd. Portable minitype thermal printer RD-V32-SN can be connected to it. |
| Storage: 2GB or 4GB SD card | 2GB or 4GB SD card |
| Power: | 4xR6 batteries, last for 18h at reference conditions |
| Outline size: | L:340mm, W:75mm, H:25mm |
| Temperature range: | Class 1: -10℃~50℃, Class 2: 0℃~40℃ |
Configuration Difference
Type | Class | 1/1 octave filter | 1/3 octave filter | Data collector | PC software |
MEWOI-JY205B | 1 | √ | √ | √ | √ |
MEWOI-JY205C | 1 | √ | √ | √ | |
MEWOI-JY205D | 1 | √ | √ | ||
MEWOI-JY205E | 2 | √ | √ | √ | √ |
MEWOI-JY205F | 2 | √ | √ | √ | |
MEWOI-JY205G | 2 | √ | √ |