? Instrument Introduction:

testo 815,Luɔi de noise measurement ye luɔ̈ɔ̈i në heating and air conditioning systems, ballrooms, machines, burners, etc., ee kë puɔth apɛi në luɔɔi de aköl.

? Kä puɔth:

· Level of accuracy2L, ye gamIEC 60651Standart

· Kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l

· dɛmɛAKlas kuCFrequency Calculation

· Lɔ̈k kä juëc ku kä tɔ̈u

· Precision(2Level)

· Adjustable Time Weight, Fast/Slow

· Nyuɔ̈th frequency weighting, current readings, time weighting, and regional scales

※Testo 815Sound Level Meter Kit, Precision Level2 LMikrofɔn, kɔrɔ ye cɔl wind cap, ku bateri

Sonde/Sound Level
Kɔɔr +32 ~ +130 dB
Precision Level 2
±1 dB
Resolution 0.1dB
30-80 dB 50～ 100 dB；80～ 130 dB
Time Weighing 125ms / 1s ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n
Tɔŋ ye cɔl pressure -0.0016 dB/hPa
Tɛmpɛr tɔ̈ɔ̈u -10 ~ + 60 ℃
Tɛmɛ tɛmɛ 0 ~ + 40 ℃
Bateri ye 9V
Bateri tɛɛr 70 h
Wɛɛr 195 g