Whether you are testing for OSHA compliance, quieting equipment, or monitoring the roar of a stadium crowd, B&K Precision's Sound Level Meters can get the job done. The model 735 Sound Level Meter provides 30130 dB capability in three convenient measurement ranges Low, Med and Hi with an accuracy of 1.5 dB. The meter meets the IEC 651 Type II and includes frequency weighting A & C and fast and slow time weighting. Two auxiliary ports provide either AC output, 1Vrms full scale, or DC output, 10mV dB. With the model 735, B&K Precision can meet all your sound testing needs.