An nuacht is déanaí
2024 Teacht Nua GVDA Iniompartha iniompartha 72W faoi stiúir sádrála iarainn ...
Aug 08, 2024
Cén fáth a roghnaím GVDA GD139 Brathadóirí Sceite Gáis?
Apr 11, 2024
Brathadóir gáis indóite in -athluchtaithe nua GVDA a thabhairt isteach le cal...
Apr 11, 2024
2024 Teacht Nua GVDA GD139 Amazon Barr Brathadóir Gáis Nádúrtha In-athluchtai...
Apr 11, 2024
Glaoigh orainn
Teagmháil: MS Judy Yan
Whatsapp/WeChat/Mob.: 86-18822802390
Ríomhphost: marketing@gvdasz.com
Teil Fón: 86-755-27597356
Cuir: Seomra 610-612, HUachuangda Gnó Foirgneamh, Ceantar 46, Cuizhu Bóthar, Xin'an Sráid, Bao'an, Shenzhen
Apr 02, 2021
A Frequency Weighting of Audio Level detector: "A" weighting: The frequency response of the meter is similar to the response of the human ear. "A" weighting is commonly used for environmentalor hearing conservation programs such as OSHA regulatory testing and noise ordinance law enforcement.
Most noise measurements are performed using "A" Weighting and FAST Response.
B’fhéidir gur mhaith leat freisin
