U 921B
- 2-channel IEPE Power Supply ModuleProduct
U 921B is a low-noise constant-current source conditioner designed for microphones and accelerometers. Supports AC/DC coupling switch.
Description
Specifications
| Parameter | Value |
|---|---|
| Full-load power consumption | 5V/200mA |
| Number of channels | 2 |
| Bus | BNC |
| Product dimensions (mm) | 96*33*140 |
| Operating temperature | -20℃ - 50℃ |
| Input impedance | 1Mohm |
| Output impedance | 100ohm |
| IEPE constant current source | 4mA |
| Frequency | 20Hz - 80K(-1dB) |
| Noise floor | <6uVrms (Linear weighting) |
| Gain | 0dB |
| Control interface | AC/DC coupling switching, IEPE on/off switching |
U 921 serial is a low noise 4mA constant current source conditioner that supports sensors such as microphones and accelerometers.
The series includes U 921, U 921A, and U 921B.



