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Extech | 407766

Sound level calibrator, 94/114 dB

Extech
Reference : EXT407766
Serie : SL130, TTDeals
Purchase Order Reference : 407766
Brand : Extech
Calibrateur de sonomètre.
Pour utilisation sur sonomètres avec un microphone diamètre 0.5 ou 1 pouce.
Niveau sélectionnable: 94 ou 114 dB.
TTCHT
Quantity
En Stock
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Details
Extech  407766
Sound Level Calibrator

Combination 94dB/114dB, 1kHz Professional Calibrator for 0.5" or 1.0" Microphones


Features:
• Calibrates and verifies Sound Level Meter operation
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Durable die-cast, aluminum housing
• Total Harmonic Distortion (THD) <2% at 94dB
• Complete with two 9V batteries, carrying case, and screwdriver

Model 407766
• LED indicator lights up when power is on
• Level position to select 94dB or 114dB
• 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB
• 3 position switch (OFF/94dB/114dB)

SpecificationsRangeAccuracy
Frequency 1000 Hz±5%
Sound Pressure Level  94dB/114dB 
  ±0.5dB (94dB), ±1dB (114dB) 
Distortion<2% (94dB), <5% (114dB) Total Harmonic Distortion (THD)
Operating Temperature    
32 to 122°F (0 to 50°C)
Power SupplyTwo Heavy duty, alkaline 9V Battery
Power consumptionApprox. 10mA DC
Dimensions2.2" diameter x 5.6" long (50 x 127mm)
Weight0.75 lbs.(340g)
Product Details
41-Standard Manufacturer Warranty 1 YEAR
290-Calibration level 94 dB | 114 dB
291-usable microphone diameter (Inch) 1, 0.5 inch
691-Accuracy class (meets IEC 60942: 2003) No class
292-Drift (dB/°C)(dB/%HR) nc
36-Additional Characteristics -
132-Package includes 2x 9V batteries, carrying case, screwdriver
35-Dimension (HxWxD) (mm) Diam.: 50 mmLength: 127mm
13-Net Weight 340 g
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