DC Amplifier, low noise
Obsolete effective April 2022, contact us for alternatives.
The Model 121 is a state-of-the-art, 3-Channel Precision DC Amplifier designed to be used with bridge type or differential output accelerometers, pressure transducers, and load cells. The amplifier offers an exceptionally low input noise floor of <20µVrms and wide bandwidth to 200 kHz, ideal for transient measurements. The Model 121 amplifier is also shunt calibration capable and incorporates adjustable 4-pole Butterworth filter modules. Features include: AC/DC front panel voltage display, Dual excitation voltage, auto-zero function, Butterworth low pass filters, shunt calibration function.
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