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 … 80 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) |