407750-NIST EXTECH INSTRUMENTS, 407750-NIST Datasheet
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407750-NIST
Manufacturer Part Number
407750-NIST
Description
Clamp Multimeters & Accessories SOUND LEVEL METER
Manufacturer
EXTECH INSTRUMENTS
Datasheet
1.407750.pdf
(1 pages)
Specifications of 407750-NIST
Accuracy
+/- 1.5 %
Frequency
10 KHz
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
www.extech.com
Digital Sound Level Meter
Ordering Information:
407750....................Digital Sound Level Meter
407750-NIST ..........407750 with NIST Certificate
407752....................Windows compatible Software and Cable
407744....................94dB Sound Calibrator
Features:
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Applications:
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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 1/2 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
Complete with batteries and carrying case
Machine noise evaluation
OSHA compliance testing
Community noise measurement
Noise ordinance
PC interface for data collection
Windows compatible Software
and Cable
With background sound absorber for machine noise measurements
Big backlit display and PC interface
®
compatible software
Specifications subject to change without notice.
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
Digital Display
Bargraph Display
Measurement Range
Resolution
Accuracy
Microphone
Frequency Weighting
Time Response
Sampling time
Measurement frequency range
Analog output
Applicable Standards
Power Supply
Dimensions
Weight
Specifications
3-1/2 digit (1999 count) Autorange LCD
50dB display range (1dB resolution);
30 to 130dB (35 to 130dB for “C” weighting)
0.1dB
±1.5 dB @ 94dB for a 1kHz sine wave
Electret Condensor .24"(6mm dia.) type
“A” and “C” type
Slow/Fast
updates every 0.5seconds
31.5Hz to 8KHz
AC: 0.707Vrms (full scale); DC: 10mVDC/dB
IEC 651 Type 2, ANSI S1.4 Type 2
9V battery , optional AC adaptor
10 x 3.1 x 1.5"(256 x 80 x 38mm)
8.5oz. (240g)
4/24/08 - R1