User Manual

© PCE Instruments
20
3.2 Interfaces
Connector for mains adaptor (12)
Voltage: 9 V DC
Jack: outer Ø: 3.5 mm; inner Ø: 1.35 mm
USB interface (13)
Data rate: 9600 bps
Analogue output (14)
O U T P U T
G R O U N D
O U T P U T
AC
DC
AC: output voltage: 1 V RMS (corresponding to maximum value of the selected measuring
range)
Resistance: 100 Ω
DC: output voltage: 10 mV/dB
Resistance: 1 kΩ
Potentiometer (15)
The potentiometer is used for calibrating the sound level meter in combination with a sound
calibrator.