The manual for the B&K Precision models 1665, 1666, and 1667 covers safety instructions, setup procedures, and operation guidelines, including specifications for output voltage, current, and protection devices. It also provides troubleshooting information and service instructions for warranty and non-warranty repairs.
Manual Overview
The Bk MANUAL provides detailed guidance for troubleshooting, diagnostics, and calibration of the Model 1665, 1666, and 1667 bench switching DC power supplies. For troubleshooting, it emphasizes checking the input voltage and ensuring connections are secure. Error codes are not explicitly mentioned, but diagnostics involve using the digital LED meters for voltage and current readings, with accuracy specified at 1% + 2 counts for voltmeters and 0.5% + 2 counts for ammeters. Calibration involves fine and coarse controls for output voltage, which ranges from 1-19VDC for Model 1665, 1-40VDC for Model 1666, and 1-60VDC for Model 1667. Adjustments are facilitated by automatic crossover indicators for constant voltage (CV) and constant current (CC). Board-level guidance includes ensuring proper ventilation and avoiding exposure to heat sources. Protection devices include over-voltage, short circuit, and over-temperature safeguards. For service, the manual instructs returning the unit to B&K Precision Corp. with a detailed problem description.
Quick Issues Covered
- Diagnose power-up failures with Model 1665 voltage display issues.
- Identify error codes related to over-voltage protection in Model 1667.
- Use schematics for circuit tracing and troubleshooting power supply faults.
Overview
The document provides an overview of a series of bench switching DC power supplies, specifically models 1665, 1666, and 1667. It includes sections on safety instructions, technical specifications, controls and indicators, and operation procedures. The manual covers features such as current limiting controls with automatic crossover of constant voltage and constant current indicators, making it suitable for research and development work in laboratories. The technical specifications detail output voltage, current, ripple and noise, regulation, input voltage, meter type, accuracy, cooling system, protection devices, approvals, dimensions, and weight.
Specifications
- Output Voltage: 1-19VDC 1-40VDC 1-60VDC
- Output Voltage Control: Fine & Coarse Fine & Coarse Fine & Coarse
- Output Current: 0-10A 0-5A 0-3.3A
- Ripple & Noise (P-P): 20mV 20mV 20mV
- Load Regulation: 0.5% + 200mV 0.5% +200mV 0.5% +200mV
- Line Regulation: 50mV 50mV 50mV
- Input Voltage: 100 – 240 VAC, 50Hz / 60Hz
- Meter Type: Digital LED
- Voltmeter Range: Auto-Range 3½ digit LED Auto-Range 3 digit LED Auto-Range 3 digit LED
- Ammeter Range: Auto-Range 3½ digit LED Auto-Range 3 digit LED Auto-Range 3 digit LED
- Voltmeter Accuracy: 1% + 2 counts
- Ammeter Accuracy: 0.5% + 2 counts
- Indicators: CC & CV
- Cooling System: thermostatic control fan
- Protection Devices: Over Voltage, Short Circuit, Over Temperature
- Approvals: CE
- Dimension (WxHxD): 8" x 4.5" x 11" (205 x 115 x 275 mm)
- Weight: 6.6lbs. (3 Kg)
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
Refer to the PDF for details.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
SAFETY INSTRUCTIONS
1. Do not use this apparatus near water.
2. Clean only with a dry cloth.
3. Do not block any ventilation openings.
4. Do not install the unit near any heat sources or heat-emitting devices.
5. Prevent the power cord from being walked on or pinched.
6. Unplug this unit during lightning storms or when unused for long periods of time.
PRECAUTIONS
1. The unit must be used within its specified range.
2. The rated input voltages can be found on the rating label at the back of the unit.
3. Before plugging into the AC supply, check with the rating label.
4. Refer all servicing to the manufacturer.
WARNING
Model 1667 has a maximum output voltage of up to 60 VDC. It may be hazardous to touch metal parts of the output terminals. Users must avoid touching live metal parts of the output terminals.
Download MANUAL Manual (PDF – 263.7 KB)
Bk-precision-1665-instruction manual: troubleshoot and calibrate the device efficiently. File size: 263.7 KB.
- Brand: Bk-precision-1665-instruction
- Model: MANUAL
- Type: Manual
- File size: 263.7 KB
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-1665-instruction MANUAL Overview
The Bk-precision-1665 is a versatile digital multimeter designed for accurate electrical measurements in both professional and hobbyist environments. This device enables users to measure voltage, current, resistance, and continuity with ease, making it an essential tool for troubleshooting, testing, and repairing electrical circuits and components.
Main Features and Specifications
- True RMS measurement for accurate AC readings
- Wide measurement range: up to 600V AC/DC voltage, 10A current
- Resistance measurement up to 40MΩ
- Continuity buzzer and diode test functions
- Backlit LCD display for easy reading in low-light conditions
- Data hold and relative measurement modes
- Auto power-off to conserve battery life
- Robust, compact design with protective rubber holster
Basic Usage and Operation Tips
Before using the Bk-precision-1665, ensure the test leads are properly connected to the correct input jacks. Select the appropriate measurement mode using the rotary switch. For voltage measurements, connect the probes in parallel with the circuit; for current, connect in series. Always start with the highest range if unsure of the expected measurement to prevent damage. Use the data hold function to freeze readings for easier recording. When testing continuity, listen for the buzzer indicating a closed circuit.
Troubleshooting and Maintenance
If the device displays erratic readings or fails to power on, check the battery and replace it if necessary. Ensure test leads are intact and properly connected. Clean the device regularly with a soft, dry cloth and avoid exposure to moisture or extreme temperatures. If the display is dim, replace the battery promptly. For calibration or repair, contact authorized service centers to maintain accuracy and safety standards.
Safety Reminder
Always observe proper safety precautions when using the Bk-precision-1665. Avoid measuring voltages exceeding the device’s rated limits. Do not use the multimeter on live circuits if the test leads or device casing are damaged. Wear appropriate personal protective equipment and ensure the work area is dry and free of hazards. Proper use of this instrument helps prevent electric shock and damage to the device.