Multi frequency/
Sound calibrator,
125 / 250 /
500 /1000 Hz,
94 / 104 / 114 dB,
professional,
New
! |
Sound level
transmitter,
4-20 mA
IOT transmitter,
New
! |
Environment meter
7 in 1,
Sound level meter,
Light,
Humidity/Temp.,
Dew point,
Web bulb,
Heat index,
Type k Temp.,
New
! |
|
