SV 277 PRO Noise Monitoring Station

bestseller

178彩票致赢团队真假

哪个彩票app好三季度，规模以上工业亏损企业亏损额同比下降21.4%，二季度为增长13.1%　　此外，蚂蚁集团A股发行的战略投资者名单亦在发行公告中首次完整披露

• SV 277 PRO is a portable monitoring system housed in a waterproof case dedicated for periodic OUTDOOR measurements.
• The station is based on SVAN 977 which can be easily removed from the case and used as a hand-held sound level meter.
• CLASS 1 noise measurements are performed over a very wide dynamic range over 110 dB from 10 Hz up to 20 kHz.
• The TIME-HISTORY of results such as Leq, Max, Min and Peak with two simultaneous logging steps is saved on 8 GB microSD card (upgradeable up to 128 GB).
• The station can perform real-time frequency analysis in 1/1 OCTAVE bands and save it as time-history data.
• The option for 1/3 OCTAVE REAL-TIME ANALYSIS allows the analysis of the noise frequency contents. The statistical analysis in 1/3 octave band is used for verification of noise sources in the environment. It can be activated at any time by entering the activation code.
• The option of TIME DOMAIN SIGNAL RECORDING to WAVE format works during measurement and is logged in parallel to a time history. Once downloaded to PC it can be played back. Settings such as triggers or recording time are adjustable.
  In addition to audio play-back, WAVE file can be post-processed in SvanPC++ software that provides calculation of overall results such as Leq, Lmax, Lmin, Lpeak as well as 1/3 octave and FFT calculations or tonality. It can be activated at any time by entering the activation code.
• The 3G MODEM provides fast data transfer over the Internet to PC with standard Internet connectivity.
• Once you insert SIM card the remote communication settings are automatically adjusted to connect to SvanNET.
• Station can be powered from an internal battery or external DC power supply and is ready for direct connection of a SOLAR PANEL. The powering is managed by the intelligent charging unit.
• Station uses waterproof CHARGER that is designed for outdoor use.
• Military standard CONNECTORS provide reliable, robust and waterproof cable connections.

哪个国家彩票奖池最高当他开始行走时，已是48摄氏度，3个小时之后，他成功地走出峡谷，他认为峡谷底部是750-1000公里之间的上坡路，还有更长的路要走同时，在炎热的气候下，脱水只会使身体变得更加糟糕