Calibrated 40 kHz

Reference Signal Generator

part # 60105

The Calibrated 40 kHz Reference Signal Generator allows calibrating ultrasonic recording chains in order to enable absolute sound level measurements or to realize standardized trigger levels in quantitative acoustic monitoring applications.

Specifications

Signal frequency 40.0 +- 3 kHz
Sound level at a distance of 25 cm 70 … 85 dBSPL (see the label on the unit for the exact value)
Total Beam Angle ( -6 dB) 125°
Diameter of the active element 8.2 mm
Power supply voltage 4.0 … 5 .5 V (USB power) supply voltage)
Power supply connector XLR-4 plug / USB type A plug
Current draw 1.4 mA
Diameter 20 mm
Length 47 mm (120 mm including cable)
Weight 40 g (120 g with USB power supply cable)