HT622B Digital Sound Level Noise Voice Meter Volume Measuring Instrument Decibel Monitor Logger Diagnostic-Tool Detector Audio Tester

[Wide Application] Used to measure the sound level of the environment such as factories, workshops, schools, residential buildings, office areas, traffic roads, audio and other occasions of the sound level.

Note:
* Batteries are not included if ship by Air.
* Wind blowing across the microphone increases the noise measurement. Use the supplied windscreen to cover the microphone when applicable.
* Calibrate the instrument before each use if possible. Especially if the meter has not been used for a long period of time.
* Do not store or operate the instrument in areas of high temperature or humidity.
* Keep meter and microphone dry.
* Avoid severe vibration.
* Remove the battery when the meter is to be stored for long periods of time.
* A Frequency Weighting: The frequency response of the meter is similar to the response of the human ear. A weighting is commonly used for environmental or hearing conservation programs such as OSHA regulatory testing and noise ordinance law enforcement. Most noise measurements are performed using A weighting and FAST Response.

Dongguan Habotest Instrument Technology Co.,Ltd is an innovation orientied technology enterprise with an over 20 years R&D team, injection molding, professional production line and assembly capabilities.

We offering professional and innovative measuring products as Digital Mltimeter, Digital Clamp Meter, Earth Resistane tester, Insulation Tester, Enviromental detector and other detecting insturments for the worldwide customers to meet the growing global market demend, we also provide electronic test tools, measurement solutions and ODM and OEM services to specific customers.

Habotest now has over hundred various patents and set an independent innovation goal of reaching more than 100 authorized patents each year. After 20 years industry experience in research and development, Habotest standardized its management and quality systems, obtaining ISO9001-2008 and ISO/TS16949, CE, IEC safety standards and introducing financial ERP systems.

For providing qualified products and superior serivice to all customers, we have been always producing products which meet the industry standards, and creating unique innovative solutions in high-growth fields.

Habotest is currently developing test meters and instruments in an industry park nearly 5000 square meter facility. With this new facility, Habotest is capable to fully supply product demands from all customers across the world.

Our products is widely used in the field from industrial electronic installation, maintenance service to DIY and daily household needs.

"Talents Oriented, Technology Leading, Quality Assurance, Global Commitment" is our tenet.

We are aiming to build a long-lasting and win-win partnership with our worldwide customers.