IOT Sound Level Transmitter
Model: TRSL-401

* 4-wire installation.
* Linear current output .
* Easy installation and connection.
* Sound level range 30 to 130 dB .
* Frequency and Time weighting are designed to meet IEC 61672 class 2.
* A & C weighting networks comply with standards.
* 0.5″ standard microphone head.
* Time weighting (Fast & Slow) dynamic characteristic modes.
* Build External Zero& span calibration VR.
* Auto range

Click (Download Brochure) above for more detail.