Brownlee Precision 440 - High Performance Four-channel Amplifier & Signal Conditioner
AutoMate Scientific Inc.In addition to the Model 410 amplifier's features, the Model 440 offers an 8-pole Bessel lowpass filter, auto-zeroing, a line notch filter, highpass filter, multiple memories per channel, and a digital voltmeter on 2 channels. A wide bandwidth of over 500 kHz at all gains insures smooth recordings.The Brownlee Precision Model 440 incorporates four channels of sophisticated amplifier and filter circuitry in a friendly easy-to-u…