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About Us

We, Hengyang Hengyi Instrument & Electric Equipment Co., Ltd., are renowned globally as a leading manufacturer and supplier of high quality and reliable noise measuring instruments like Sound Intensity Probe, Sound Calibrator, Noisemeter, Noise Measuring System, etc. We work with the intention of bridging the gap between you and high quality products. We pay high attention to the quality aspect of our products throughout the production process. Moreover, all our products are produced adhering to the standard industry standards. Our products have a wide range of application in measuring industrial and entertainment field. We are driven by the vision of being the leading company in the field, and that is why we pay high attention to complete customer satisfaction.

Most Popular Products
Microphone Connector Cable
Microphone Connector Cable is a balanced cable with XLR male connection at one end and a female XLR at another end. It is commonly used to connect microphones with mixers and also with stereo jack connectors. This cable is compatible with any XLR connection-microphone, mixer and recorder. The XLR connector provides extra security by its external locking mechanism on the female connector. To strengthen this cable, copper braided shielding is done, which also offers protection from radio frequency inferences (RFI).
Digital Sound Level Meter
It is perfect for measuring and monitoring noise levels in any environment. It is commonly a hand-held instrument with a microphone attached to it. Digital Sound Level Meter is generally used for noise pollution studies, especially for industrial, environmental and aircraft noises. The microphone detects the sound level and a digital display screen displays the readings. Its additional features are low battery indication, high resolution display and a fast responding analog bar graph.
Sound Intensity Calibrator
Sound Intensity Calibrator is a device that is used for on-site sound pressure calibration and pressure residual intensity index verification. It can analyze the noise from a pump driven by a noisy electric motor and gearbox. One of the key features of this device is it's ability to measure the sound intensity in sound fields with high background noise. It is a compact and portable unit with a built-in sound source.