Extech 407750 - Manuals

407750-EN v2.2 07/13 6 Analog Outputs The meter includes an AC and a DC analog output. These outputs are proportional to the displayed sound level and are ideal for use with chart recorders and dataloggers. The AC output is 0.707V rms full scale and the DC output is 10mV per dB. The labeled 3.5mm ou...

407750-EN v2.2 07/13 7 Reference Information Frequency Weighting Characteristics Frequency (Hz) A Weighting C Weighting Tolerance (IEC 651 Type 2 ) 31.5 -39.4dB -3dB ±3dB 63 -26.2dB -0.8dB ±2dB 125 -16.1dB -0.2dB ±1.5dB 250 -8.6dB 0dB ±1.5dB 500 -3.2dB 0dB ±1.5dB 1 k 0dB 0dB ±1.5dB 2 k +1.2dB -0.2dB...

407750-EN v2.2 07/13 8 Battery Replacement When the low battery message appears on the LCD, the 9V battery has fallen to a critically low voltage level and should be replaced as soon as possible. The battery compartment cover resides at the rear of the meter. Remove the rear battery compartment scre...

407750-EN v2.2 07/13 9 Warranty   FLIR   Systems,   Inc.   warrants   this   Extech   Instruments   brand   device   to   be   free   of   defects   in   parts   and   workmanship   for   one   year   from   date   of   shipment   (a   six   month   limited   warranty   applies   to   sensors   and ...