This manual is about the user manual of ADP090 Electrical Signal Insert Adaptor, which introduces the features and characteristics of the product and the use method
The ADP090 Electrical Signal Insert Adaptor is designed to replace a 1/2" microphone for electrical signal insertion testing of sound level meters and preamplifiers, as well as for noise floor testing of instruments. It contains a 12 pF capacitor to simulate the electrical characteristics of a microphone and features a female BNC connector for signal generator connection and a 1/2" female microphone thread for mounting.
| Capacitance | 12 pF ±5% |
|---|---|
| Maximum microphone bias | 250 Volts |
| Length | 63.5 mm (2.50") |
| Diameter | 12.7 mm (0.5") |
| Thread for preamplifier mounting | 11.7 mm-60 UNS (0.4606-60 UNS) |
The ADP090 is used in place of a 1/2" microphone for electrical signal insertion testing of sound level meters and preamplifiers, and noise floor testing of instruments.
The extra attenuation for the 426E01 preamplifier is 0.21 dB.