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B & K Precision 1651A Triple Output DC Power Supplies, Dual analog Display Features
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- Linear power supply unit provides a constant source of DC voltage and current for powering and testing electronic devices
- Two outputs supply adjustable voltage up to 24VDC and current up to 500mA
- Third output supplies fixed voltage of 5VDC and current of 4 amp
- Display shows current and voltage for all outputs simultaneously
- Outputs can be connected in series to supply more voltage, or they can be connected in parallel to supply more current
This B&K Precision triple-output linear DC power supply unit provides a constant source of DC voltage and current for powering and testing electronic devices. The power supply unit (PSU) has two variable outputs that each provide DC voltage up to 24V and current up to 500mA (milliamp). A third fixed output supplies 5VDC voltage and 4 amp current. The PSU's display shows voltage and current readings for all outputs simultaneously. The outputs can be connected in series to supply more voltage, or they can be connected in parallel to supply more current. The current limit can be adjusted to suit a variety of applications. A power cord with a three-prong plug is included for connecting the PSU to a grounded outlet, and three sets of hookup cables are included for connecting the PSU to the device to be tested. A built-in cooling fan helps prevent overheating; and overload, short-circuit, and reverse polarity protection helps to prevent damage to the PSU and the device under test. Model 1651A has a dual analog display. Model 1652 has a dual digital LED display.
Specifications
| Number of outputs | 3 |
| Maximum voltage and current output, outputs 1 and 2 | Voltage: 24VDC; Current: 500mA (milliamp) |
| Maximum voltage and current output, output 3 | Voltage: 5VDC; Current: 4 amp |
| Line regulation, variable outputs | Less than 0.01% of voltage reading + 3mV; less than 0.2% of current reading + 6mA |
| Line regulation, fixed output | Less than 5mV; less than 0.2% of current reading + 6mA |
| Load regulation, variable outputs | Less than 0.01% of voltage reading + 3mV; less than 0.2% of current reading + 3 μamp (microamp) |
| Load regulation, fixed output | Less than 10mV; less than 0.2% of current reading + 3 μamp |
| Ripple and noise | Less than 2mV RMS (root mean square) for variable output; less than or equal to 5mV RMS for fixed output |
| Ripple current | Less than 3mA RMS |
| Transient response time | 100 μs (microseconds) |
| Power requirements | 108 to 132VAC at 60Hz |
| Weight | 4.8kg/10.5lb. |
| Dimensions | 140 x 298 x 264mm/5.5 x 11.75 x 10.975 inches (H x W x D) |
H is the vertical distance from lowest to highest point, W is the horizontal distance from left to right, and D is the horizontal distance from front to back.
Power supply units (also known as PSUs, AC power supplies, DC power supplies, and battery eliminators) provide AC or DC voltage to power or test devices such as tools, appliances, and electronic components. The PSU draws energy from a line source such as a wall socket and converts it to a constant, specified amount of voltage or current that is then outputted to a connected device. In general, a power supply unit will be classified as either a linear PSU (also known as a linear regulation or line-frequency PSU) or a switched PSU (also known as a switching-mode power supply, SMPS, or switcher). Typically, a linear PSU has a simpler design and provides a faster transient response time and less electrical interference and noise than a switched PSU. A switched PSU is often smaller, lighter, and more efficient than a linear PSU and generates less heat. The transient response time of a PSU indicates how quickly the PSU can resume the desired constant output after a sudden change in input. Ripple voltage or current indicates how much unfiltered noise and AC voltage or current is present at the output of a filtered power supply operated at full load. The temperature coefficient is the percent average change in output voltage per degree centigrade of change in ambient temperature. Fuses, current limiters, and other forms of overload protection can be built into the PSU to help protect against voltage spikes or short-circuiting.
B&K Precision manufactures test and measurement instruments for research and development, production-line testing, and electronic field service applications. The company, founded in 1951, is headquartered in Yorba Linda, CA. It meets International Organization for Standardization (ISO) standard 9001:2008 and is compliant with Restriction of Hazardous Substances (RoHS) and waste electronic and electrical equipment (WEEE) directives.
What's in the Box?
- B&K Precision power supply unit
- (3) sets of hookup cables
- Spare fuse
- Power cord
- Instructions
Cheap B & K Precision 1651A Triple Output DC Power Supplies, Dual analog Display
Best Price B & K Precision 1651A Triple Output DC Power Supplies, Dual analog Display
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