Extech 407768 Data Sheet

Specifications subject to change without notice.
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4/23/08 - R1

High accuracy meets Type 2 standards

With built-in RS-232 interface for capturing data directly to a PC

Digital Sound Level Meter

Ordering Information:

407768....................Digital Sound Level Meter

407768-NIST ..........407768 with NIST Certificate

407744....................Sound Level Calibrator, 94dB

407768....................Sound Level Calibrator, 94dB/114dB

Features:

• Auto/Manual ranging from 30 to 130dB in three 50dB ranges

• Meets ANSI S1.4-1984 and IEC 61672 Class 2, EN 60651 standards

• A and C selectable frequency weightings

• Fast and Slow selectable response times

• Large digital display with 0.1dB resolution

• Condenser microphone provides precision and stability

• Min/Max and Max Hold

• AC output for recorders

• Complete with batteries, Windows® 95/98/NT/2000/XP compatible

software, interface cable, and case

Applications:

• Machine noise evaluation

• OSHA compliance testing

• Community noise measurement

• Noise ordinance

• PC interface for data collection

Specifications

Digital Display 5 digit Autorange LCD
Measurement Range 30 to 130dB
Resolution 0.1dB
Accuracy ±1.5 dB @ 94dB for a 1kHz sine wave
Microphone 1/2” Electret Condensor
Frequency Weighting “A” and “C” type
Time Response Slow/Fast
Measurement frequency range 31.5Hz to 8KHz
Analog output AC: 0.5V (full scale)
Applicable Standards ANSI S1.4-1983, IEC 61672 Class 2, EN 60651
Power Supply 9V battery
Dimensions 10.6 x 2.7 x 1.1” (268 x 68 x 29mm)
Weight 0.63lbs (285g)