Sound Level Meter

We are a leading Manufacturer of v- tech sound calibrator from Coimbatore, India.


2500/Piece Get Latest Price

Product Brochure
MaterialStainless Steel
Display TypeDigital
Model Name/NumberVT-4231
Calibration94dB SPL or 114dB SPL
Country of OriginMade in India

Minimum order quantity: 1 Piece

A handy, portable sound source for calibration of sound level meters and other sound measurement equipment. The calibrator is very robust and stable, and conforms to EN/IEC 60942 Class LS and Class 1, and ANSI S1.40-1984. For maximum confidence in your measurement results you can quickly compensate for local measurement conditions by calibrating before every measurement. Twin sound pressure levels guarantee definitive checks even in noisy environments, and ensure linearity in your microphones.

Conforms to EN/IEC 60942 (2003) Class LS and Class 1, and ANSI S1.40 – 1984

Robust, pocket-sized design with highly stable level and frequency

Calibration accuracy ± 0.2 dB

94 dB SPL, or 114 dB SPL for calibration in noisy environments

Extremely small influence of static pressure and temperature

Sound pressure independent of microphone equivalent volume

1 kHz calibration frequency for correct calibration level independent of weighting networks

Fits Brüel & Kjær 1' and 1/2' microphones (1/4' and 1/8' microphones with adaptor)

Switches off automatically when removed from the microphone

Calibration of sound level meters and other sound measurement equipment



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Mohammed Khan (Service Manager)
11 A, Sudarar Street
Tatabad, Coimbatore - 641027, Tamil Nadu, India

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