Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 65 of 110
4.12.6 Immunity to Power and Radio-frequency Fields
Fig. 4.19 The most sensitive direction
4.13 Wireless interface to the Sound Level Meter
It is not possible to change or corrupt the measured values in any way through these
interfaces.
4.13.1 Bluetooth
Bluetooth is only used for paring devises (transferring IP address) for Wi-Fi.
Standard: ????
Frequencies: ????
Power: ????
4.13.2 Wi-Fi
Wi-Fi can be used for monitoring a measurement, setting up a measurement,
controlling a measurement, and transferring data from the sound level meter to another
device.
Standard: ????
Frequencies: ????
Power: ????
4.14 Electrical interface to the Sound Level Meter
Instrument is equipped with a USB-C interface. With available accessory listed in Fig.
1.1 this can be used as a digital interface for transferring data to and from the sound
level meter, as a DC input for charging and powering the instrument, as well as an
analog output for earphones or other equipment.
4.14.1 Output for Headphone and test
3.5 mm Minijack cable AO-0846 from USB-C:
In System settings > Voltage output set Source to the required signal (Input A-, B-, C-
or Z-weighted). The possible weightings will be the two weightings selected in