The BK9174B is a DC power supply, programmable, two-channel, 70V, 1.5A unit typically manufactured by B&K Precision. It is a versatile power supply with a wide range of control options. This DC power supply has two independently-controlled outputs, one adjustable and one fixed, providing a combined output of 1.5 amps and a maximum voltage of 70 volts. Each of the two channels has its own output connections and operational status LED, and the output voltage can be set and monitored with a precision LCD readout. The adjustable output is programmable in either fixed or variable voltage mode, with both up and down count capability. Additionally, programming of the adjustable output can be done via computer interface through a selection of optional modules. The BK9174B is also equipped with extensive safety features, such as short circuit and overload protection as well as low ripple noise, providing reliable and smooth power delivery.