The manual for BK Precision models 1760A, 1761, and 1762 covers setup, operation, and troubleshooting of triple output DC power supplies, detailing controls, indicators, and safety precautions necessary for their use. It provides instructions for various operational modes such as independent use, series and parallel tracking, and includes maintenance guidelines like fuse replacement and adjustments.
Manual Overview
The B+K Precision Triple Output DC Power Supplies, models 1760A, 1761, and 1762, are designed for general-purpose use, offering two main adjustable supplies and a third auxiliary output. The main supplies can operate independently or in series/parallel tracking modes, providing flexibility in voltage and current settings. The series tracking mode allows the “B” supply to track the “A” supply from 5% to 100% of its voltage, while parallel tracking doubles the current capacity. The supplies feature coarse and fine voltage controls for precision and can handle up to 2A or 3A for model 1761. The third supply, ideal for digital logic circuits, offers 0-5A output with overload protection. The units provide smooth crossover between constant voltage and constant current modes, indicated by LEDs. Built-in protections include reverse polarity and current limiting, ensuring safety and reliability. Calibration and adjustments are detailed for each supply, ensuring accurate operation. The manual emphasizes safety precautions, especially when working with high voltages, to prevent electrical shock hazards.
Quick Issues Covered
- Troubleshoot power-up failures with detailed diagnostics.
- Identify error codes for precise fault detection.
- Use schematics for effective circuit tracing and repairs.
Overview
The B+K Precision Triple Output DC Power Supplies, models 1760A, 1761, and 1762, are high-quality, general-purpose DC power sources. They feature two main adjustable supplies and a third auxiliary output with a 4-6.5V (2-6.5V for models 1761 & 1762) DC output. The main supplies have coarse and fine voltage controls and can output currents of 0-2A (0-3A for model 1761), while the third supply can output up to 5A, suitable for digital logic circuitry. The units include overload protection and dual 4-digit LED displays for monitoring output current or voltage. They can operate independently or in series/parallel tracking modes, providing flexibility in voltage and current settings. The design ensures excellent regulation, low ripple characteristics, and includes features like reverse polarity protection and current limiting. The output is isolated from chassis and earth ground for flexible connections.
Specifications
- Triple Output
- DC Power Supply
- Dual 4-Digit LED Displays
- Adjustable Voltage Controls
- Current Output: 0-2A (0-3A for model 1761)
- Third Supply Current Output: 0-5A
- Series Tracking Mode
- Parallel Tracking Mode
- Constant Voltage/Current Applications
- Built-in Overload Protection
- Reverse Polarity Protection
- Isolated Output from Chassis and Earth Ground
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
The manual provides operating instructions for the BK Precision models 1760A, 1761, and 1762 triple output DC power supplies. These power supplies feature two main adjustable supplies and a third auxiliary output. The main supplies can be used independently or in series or parallel tracking modes. In series tracking, the “B” supply tracks the “A” supply voltage, while in parallel tracking, the supplies combine for increased current capacity. The supplies can operate in constant voltage or constant current modes, with smooth automatic crossover between modes. LED indicators show the current mode of operation. The third supply is ideal for digital logic circuitry with a 0-5 amp capacity and built-in overload protection. The power supplies offer excellent regulation, low ripple, reverse polarity protection, and current limiting. The output is isolated from chassis and earth ground for flexible connections.
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 passing through the heart can be fatal. Voltages as low as 35 volts DC or AC rms are considered dangerous as they can produce lethal currents under certain conditions. Higher voltages pose even greater risks. It is important to adopt work habits that prevent contact with high voltage and steer current away from the heart in case of accidental contact.
Specific safety precautions include:
1. The DC output of the power supply poses little shock danger, but high voltage shock hazards can occur in certain test conditions:
a. A serious shock hazard exists if testing “hot chassis” type equipment unless it is unplugged or an isolation transformer is used.
b. If the equipment under test is powered up and uses high voltage, the power supply outputs may be floated to the potential at the connection point. High voltage may appear unexpectedly in defective equipment. Do not float the power supply output to more than 100 volts peak with respect to chassis or earth ground.
c. Discharge high-voltage capacitors before making connections or tests if the equipment under test is off and uses high voltage in normal operation.
2. Use only a polarized 3-wire AC outlet to ensure the power supply chassis, case, and ground terminal are connected to a good earth ground, reducing shock risk.
3. Avoid exposing high voltage unnecessarily. Remove housings and covers only when necessary. Turn off equipment while making test connections in high-voltage circuits and discharge high-voltage capacitors after removing power.
Download MANUAL Manual (PDF – 2.0 MB)
Bk-precision-1762-instruction manual PDF aids technicians in troubleshooting and calibrating the 1762 model. File size: 2.0 MB.
- Brand: Bk-precision-1762-instruction
- Model: MANUAL
- Type: Manual
- File size: 2.0 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-1762-instruction Manual Overview
The Bk-precision-1762 is a versatile digital multimeter designed for accurate measurement of electrical parameters in both professional and hobbyist applications. This device provides reliable readings of voltage, current, resistance, and continuity, making it an essential tool for troubleshooting and testing electronic circuits and components.
Main Features and Specifications
- Measurement Functions: AC/DC Voltage, AC/DC Current, Resistance, Continuity, Diode Test
- Display: Large backlit LCD for clear readings in various lighting conditions
- Auto-ranging capability for quick and precise measurements
- Data Hold function to freeze readings for easy recording
- Overload protection to safeguard the device and user
- Compact and ergonomic design for comfortable handling
- Battery operated for portability and convenience
Basic Usage and Operation Tips
Before using the Bk-precision-1762, ensure the device is powered on and properly calibrated. Select the appropriate measurement mode using the rotary switch. Connect the test leads to the correct input terminals and then to the circuit or component under test. Always start with the highest range if unsure of the expected measurement to prevent damage. Use the Data Hold button to freeze the displayed value for easier reading. After completing measurements, switch off the device to conserve battery life.
Troubleshooting and Maintenance
If the device shows erratic readings or no display, check the battery condition and replace if necessary. Inspect test leads for damage or wear and replace if faulty. Clean the device regularly with a dry cloth and avoid exposure to moisture or extreme temperatures. If the multimeter fails to operate correctly after these checks, consult the manual for detailed troubleshooting steps or contact authorized service centers.
Safety Reminder
Always observe safety precautions when using the Bk-precision-1762. Avoid measuring voltages beyond the device’s specified limits. Use insulated test leads and never touch exposed metal parts during measurements. Disconnect power before testing resistance or continuity to prevent damage and personal injury. Proper use and adherence to safety guidelines ensure accurate measurements and extend the lifespan of your multimeter.