Digital Sound Level Meter

Big backlit display and PC interface

With background absorber for machine noise measurements

Features:

         Auto/Manual ranging from 30 to 130dB in 6 ranges

         Meets ANSI and IEC Type 2 standards

         A and C selectable frequency weightings

         Fast and Slow selectable response times

         Background noise absorber mode for machine noise measurements filters ambient noise

         Large 3 ½ digit display with 0.1dB resolution with backlighting and analog bargraph

         Electret condenser microphone provides 1.5dB accuracy

         Min/Max plus analog output and tripod mount

         Max Hold latches maximum value on display

         RS-232 interface for capturing data directly on a PC, optional Windows^® compatible software

         Complete with batteries and carrying case

Applications:

         Machine noise evaluation

         OSHA compliance testing

         Community noise measurement

         Noise ordinance

         PC interface for data collection

Specifications

Digital Display

3-1/2 digit (1999 count) Autorange LCD

Bargraph Display

50dB display range (1dB resolution)

Measurement Range

30 to 130dB (35 to 130dB for “C” weighting)

Resolution

0.1dB

Accuracy

+/-1.5dB @ 94dB for a 1kHz sine wave

Microphone

Electret Condensor .24” (6mm dia.) type

Frequency Weighting

“A” and “C” type

Time Response

Slow/Fast

Sampling time

Updates every 0.5 seconds

Measurement frequency range

31.5Hz to 8KHz

Analog output

AC: 0.707Vrms (full scale); DC: 10mVDC/dB

Applicable Standards

IEC 651 Type 2, ANSI S1.4 Type 2

Power Supply

9V battery, optional AC adaptor

Dimensions

10 x 3.1 x 1.5” (256 x 80 x 38mm)

Weight

8.5oz. (240g)

Ordering Information:

407750 ………..  Digital Sound Level Meter

407750-NIST…… 407750 with NIST Certificate

407752 ……….. Windows compatible Software and Cable

407744 ……….. 94dB Sound Calibrator