The manual for the B&K Precision Models 1651A and 1652 Triple Output DC Power Supplies provides detailed instructions on setup, operation, and troubleshooting, including information on safety precautions, controls, and indicators. It covers the use of the power supplies in various modes such as independent, series tracking, and parallel tracking, and includes guidance on maintenance tasks like fuse replacement.
Manual Overview
The B&K Precision Models 1651A and 1652 Triple Output DC Power Supplies are designed for general-purpose use, providing two adjustable 0-24V DC outputs and one fixed 5V DC output. The adjustable outputs can deliver up to 0.5 amps, while the fixed output supports up to 4 amps, making it suitable for extensive digital logic circuits. The power supplies feature built-in overload protection, reverse polarity protection, and current limiting to prevent damage. They can operate in constant voltage or constant current modes, with smooth automatic crossover between the two. The units offer series and parallel tracking modes, allowing for flexible voltage configurations, including split supply operations. Calibration and adjustments are facilitated by panel-mounted meters for monitoring output voltage and current. The manual emphasizes safety precautions, particularly regarding high voltage exposure, and advises using a polarized 3-wire AC outlet to ensure proper grounding. For troubleshooting, the manual provides guidance on fuse replacement and service information, ensuring technicians can maintain and repair the units effectively.
Quick Issues Covered
- Diagnose power-up failures with constant voltage/current mode indicators.
- Identify error codes for overload protection via LED indicators.
- Use schematics for circuit tracing and reverse polarity protection.
Overview
The B & K-Precision Models 1651A & 1652 are triple output DC power supplies designed for general-purpose use. They feature two adjustable 0-24 volt DC outputs and one fixed 5 volt DC output. The adjustable outputs can deliver up to 0.5 amps, while the fixed output can deliver up to 4 amps. These power supplies offer excellent regulation, low ripple, and built-in overload protection. They can operate in independent, series tracking, or parallel tracking modes, providing flexibility for various applications. The units are suitable for engineering labs, service shops, industrial testing, educational purposes, and hobbyist use.
Specifications
- Triple Output DC Power Supply
- Two 0-24V adjustable supplies
- Fixed 5V supply
- 0-24V supplies: 0-0.5 amp current output
- Fixed 5V supply: 0-4 amps current output
- Series tracking mode: 0-48V at up to 0.5 amps
- Parallel tracking mode: 0-24V at up to 1 amp
- Constant voltage or constant current applications
- Current limits adjustable from 6% to 100% of maximum
- Reverse polarity protection
- Output isolated from chassis and earth ground
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
The B & K-Precision Models 1651A & 1652 Triple Output DC Power Supplies are designed for general-purpose use, providing two adjustable 0-24 volt DC outputs and one fixed 5-volt DC output. The adjustable supplies can output 0-0.5 amps, while the fixed supply can handle up to 4 amps. These supplies can operate independently or in series and parallel tracking modes. In series tracking, the “B” supply follows the “A” supply’s voltage, allowing for a combined output of 0-48V at up to 0.5 amps. In parallel tracking, they provide a single 0-24V output at up to 1 amp. The supplies can be used in constant voltage or constant current modes, with smooth and automatic crossover between modes. Safety features include overload protection, reverse polarity protection, and isolation from chassis and earth ground.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
Normal use of test equipment can expose users to electrical shock hazards, especially when testing in areas with high voltage. An electrical shock with a current of 10 milliamps through the heart can be fatal, and voltages as low as 35 volts can be dangerous. To minimize risks, follow these precautions:
1. The DC output of the power supply generally poses little shock risk, but certain conditions can create hazards:
a. If testing equipment with a “hot chassis,” ensure it is unplugged or use an isolation transformer to avoid shock.
b. If the equipment under test is powered and involves high voltage, the power supply outputs may become elevated to dangerous levels. Do not float the power supply output above 100 volts peak relative to chassis or earth ground.
c. Discharge high-voltage capacitors in equipment that uses high voltage under normal operation before testing or making connections.
2. Use a polarized 3-wire AC outlet to ensure the power supply is properly grounded, reducing shock risk.
3. Avoid unnecessary exposure to high voltage. Only remove covers when necessary, turn off equipment when making connections in high-voltage circuits, and discharge capacitors after removing power.
Download MANUAL Manual (PDF – 2.4 MB)
Bk-precision-1652-instruction manual: 2.4 MB PDF for troubleshooting and calibrating the Bk-precision 1652 model.
- Brand: Bk-precision-1652-instruction
- Model: MANUAL
- Type: Manual
- File size: 2.4 MB
Overview
Brief overview of the product.
Specifications
- Key spec 1
- Key spec 2
Controls & Indicators
Control panel/button layout.
Installation / Setup
- Step 1…
- Step 2…
Operation
Basic usage, modes, cycles.
Troubleshooting & Error Codes
| Issue / Code | Fix |
|---|---|
| Example | How to fix… |
Safety & Warnings
- Important warning…
Downloads
Bk-precision-1652-instruction Overview
The Bk-precision-1652 is a versatile digital multimeter designed for accurate measurement of electrical parameters in a variety of applications. Ideal for both professional technicians and hobbyists, this device offers reliable readings of voltage, current, resistance, and continuity, making it an essential tool for troubleshooting and testing electronic circuits and electrical systems.
Main Features and Specifications
- High-resolution digital display with backlight for easy reading
- Measures AC/DC voltage up to 600V
- Current measurement capability up to 10A
- Resistance measurement ranging from 0 to 40MΩ
- Continuity buzzer for quick circuit testing
- Data hold function to freeze readings on the display
- Auto-ranging feature for simplified operation
- Overload protection to safeguard the device and user
- Compact and ergonomic design for comfortable handling
Basic Usage and Operation Tips
Before using the Bk-precision-1652, ensure the device is properly calibrated and the battery is fully charged. Select the appropriate measurement mode using the rotary switch. When measuring voltage or current, always connect the test leads correctly to avoid inaccurate readings or damage. Use the data hold function to capture readings when working in hard-to-see locations. For resistance and continuity tests, ensure the circuit is de-energized to prevent damage to the multimeter.
Troubleshooting and Maintenance
If the device displays erratic readings or fails to power on, check the battery and replace it if necessary. Clean the test leads and connectors regularly to maintain good contact. Avoid exposing the multimeter to extreme temperatures, moisture, or dust. If the display shows a “OL” (overload) indication, reduce the input value or select a higher measurement range. For persistent issues, consult the full manual or contact Bk-precision customer support.
Safety Reminder
Always observe standard electrical safety precautions when using the Bk-precision-1652. Do not exceed the specified input limits to prevent electric shock or damage. Use insulated test leads and avoid working on live circuits whenever possible. Keep the device away from water and flammable materials. Proper handling and adherence to safety guidelines will ensure safe and effective operation of your multimeter.