
Extech 407766 94/114dB Sound Calibrator
Brand :
Extech
Categories :
Sound Level Meter
, Health, Safety & Environmental
This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.
Specifications
-
Frequency
1000Hz
-
Sound Range (dB)
94dB/114dB
-
Frequency Basic Accuracy
±5%
-
Sound Range (dB) Basic Accuracy
±0.5dB (94dB); ±1dB (114dB)
-
Total Harmonic Distortion (THD)
<2%
-
Power
2 × 9V batteries
-
Weight
0.75 lbs. (340g)
-
Warranty
2 years
-
Dimensions
2.2" diameter × 5.6" long (50 × 127mm)
-
Certifications
CE