UFI Model 2122 Universal Bioamplifier
The 2122 is a versatile, low-noise, general-purpose differential amplifier with adjustable gain and low- and high-frequency filtering. Either a 9V alkaline battery or a wall-mount transformer can supply the power. Subject isolation is available.
Model 2122 specifications
- Excitation supplied: +5 volts DC
- Input impedance: 10 megohm
- Input-referred noise: 2 microvolts peak-to-peak, DC-100 Hz
- Common-mode rejection (CMR): better than 90 dB at 60 Hz
- Gain: 200, 500, 1000, 2000, 5000, and 10000 (switch selectable)
- Low-frequency filtering: 20, 10, 1, 0.5, 0.1, 0.05 Hz (switch selectable)
- High-frequency filtering: 20, 50, 100, 1000, 5000, 10000 Hz (switch selectable)
- Calibration: built-in 50 microvolt and 500 microvolt
- Output voltage swing: +/- 5 volts
- Signal outputs: for DC, high-frequency filtering only; for AC, both high- and low-frequency filtering
- Input connector: 6-pin female Switchcraft EN3 type
- Output connectors: BNC
- Subject isolation: available
- Power supply: 9V battery or wall-mount transformer
- Rugged ABS plastic case: 7" x 5" x 2.5" (178mm x 127mm x 64mm)
- Weight: 16 ounces (454g)
Download the Model 2122 user manual
Published references to the Model 2122
