The impedance tube (also know as Kundt Tube) measurement obtains the normal incidence absorption coefficient of a layer of textiles with a small diameter (usually less than 10 cm).
The impedance tube (also know as Kundt Tube) measurement obtains the normal incidence absorption coefficient of a layer of textiles with a small diameter (usually less than 10 cm).
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Precision Sound Level Calibrator Cal250
The CAL 250 Sound Level Calibrator is a battery operated precision microphone calibrator for sound level meters, Noise dosimeters, Noise monitoring station and Microphone arrays. The CAL 250 are adaptable for a variety of microphones.
Sound Level Meter Model 831C
Class 1 Environmental Noise & Building Acoustics Analyser that has combined features of a precision Class 1 Sound Level Meter, Environmental Noise Analyser, Personal Noise Dosimeter, and a real-time frequency analyser in a simple-to-use, single hand-held instrument.
Spartan 730IS Noise Dosimeter
The Spartan Intrinsically Safe Noise Dosimeter Model 730IS is designed to safely make noise exposure measurements, even for workers in explosive environments, such as those found in the petrochemical industry and pharmaceutical manufacturing.
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