The B&K Precision models 1693 and 1694 switching mode DC power supplies manual provides detailed instructions for setup, operation, and troubleshooting, including safety precautions, installation steps, and maintenance guidelines. It covers features such as variable voltage output, remote sensing, and external control, while also addressing common issues like fuse replacement and ensuring proper grounding to prevent electrical hazards.
Manual Overview
The B&K Precision models 1693 and 1694 are switching mode DC power supplies designed for high current output in a compact form. Model 1693 provides a variable voltage output from 1 V to 15 V at 60 A, while model 1694 offers 1 V to 30 V at 30 A. These units are particularly suitable for powering DC-operated mobile radio equipment. They include a remote sensing terminal to compensate for voltage drops due to load lead resistances and allow external control of output voltage via an analog remote control terminal. The power supplies are efficient, with efficiency exceeding 85% under optimal conditions, and feature bright 3-digit LED displays for clear settings indication. For troubleshooting, the manual provides guidance on issues such as the unit not turning on, which may involve checking and replacing fuses. Calibration and adjustments should be performed by qualified personnel, and all safety precautions, including grounding and avoiding explosive atmospheres, must be strictly followed.
Quick Issues Covered
- Diagnose power-up failures using rear panel voltage indicator.
- Identify error codes related to fuse replacements.
- Calibrate voltage output via analog remote control terminal.
Overview
B&K Precision models 1693 and 1694 are switching mode DC power supplies designed to provide high current output in a compact and lightweight form. They are particularly suitable for powering DC-operated mobile radio equipment. The 1693 model offers a variable voltage output from 1 V to 15 V at 60 A, while the 1694 model provides 1 V to 30 V at 30 A. These power supplies include features such as remote sensing terminals to compensate for voltage drops and the capability for external control of output voltage via an analog remote control terminal. They are noted for their high efficiency, which can exceed 85%, and feature bright 3-digit LED displays for clear indication of settings.
Specifications
- – Switching mode DC power supply
- – High current output
- – Lightweight and compact package
- – Suitable for powering DC operated mobile radio equipment
- – 900W power supply
- – Variable voltage output
- – Model 1693: 1 V to 15 V at 60 A
- – Model 1694: 1 V to 30 V at 30 A
- – Remote sensing terminal
- – External control via analog remote control terminal
- – Efficiency can exceed 85%
- – Bright 3-digit LED displays
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
The safety warnings and precautions explicitly present in the manual are as follows:
1. Ground the Instrument: The instrument chassis and cabinet must be connected to an electrical ground to minimize shock hazard. The instrument is grounded through the ground conductor of the supplied three-conductor AC power cable, which must be plugged into an approved three-conductor electrical outlet. Altering the ground connection can result in an electric shock.
2. Do Not Operate in an Explosive Atmosphere: The instrument should not be operated in the presence of flammable gases or fumes, as this constitutes a safety hazard.
3. Keep Away from Live Circuits: Instrument covers should not be removed by operating personnel. Component replacement and internal adjustments must be made by qualified maintenance personnel. The power cord should be disconnected before removing instrument covers and replacing components. Dangerous voltages may exist even with the power cable removed.
4. Do Not Service or Adjust Alone: Internal service or adjustment should not be attempted unless another person capable of rendering first aid and resuscitation is present.
5. Do Not Substitute Parts or Modify the Instrument: Substitute parts should not be installed, nor should unauthorized modifications be performed. The instrument should be returned to B&K Precision for service and repair to ensure safety features are maintained.
Warnings and cautions are used throughout the manual to denote hazards. A WARNING statement indicates a procedure, practice, or condition that could result in injury or death if not followed correctly. A CAUTION statement indicates a procedure, practice, or condition that could result in damage to or destruction of parts or the entire product.
Specific warnings and cautions include:
– Do not alter the ground connection to avoid electric shock.
– Disconnect the power cord before removing covers to avoid electrical shock hazard.
– Check the rear panel AC line voltage indicator before connecting the line cord to the AC mains to avoid destroying AC line fuses. Replace fuses only with those of the specified voltage and current ratings for continued fire protection.
– Follow proper procedures for handling, storing, and transporting parts and subassemblies containing ESD-sensitive components to avoid damage.
Download MANUAL Manual (PDF – 808.4 KB)
Bk-precision-1693-1694 manual assists technicians in troubleshooting and calibrating equipment efficiently. File size: 808.4 KB.
- Brand: Bk-precision-1693-1694-instruction
- Model: MANUAL
- Type: Manual
- File size: 808.4 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-1693-1694 Instruction Manual Overview
The Bk-precision-1693-1694 series are versatile digital multimeters designed for accurate measurement of electrical parameters such as voltage, current, and resistance. These models are ideal for both professional technicians and hobbyists who require reliable and precise readings in various testing environments.
Main Features and Specifications
- Dual display with backlight for easy reading in low light conditions
- Auto and manual ranging capabilities for flexible measurement options
- Measures AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and temperature
- Data hold and relative measurement functions for convenience
- Overload protection on all ranges to safeguard the device
- Low battery indicator to alert users when battery replacement is needed
- Compact and ergonomic design for comfortable handheld use
Basic Usage and Operation Tips
Before using the multimeter, ensure the device is set to the correct measurement mode. Connect the test leads securely to the appropriate input jacks. For voltage measurements, use the voltage mode and place the probes in parallel with the circuit. For current measurements, switch to current mode and connect the probes in series. Always start with the highest range to prevent damage and then adjust downward for more precise readings. Use the data hold feature to freeze the displayed value when needed.
Troubleshooting and Maintenance
If the multimeter displays erratic readings or no display, check the battery and replace it 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 device fails to operate correctly after these checks, consult the service center or authorized repair personnel.
Safety Reminder
Always observe proper safety precautions when using the multimeter. Do not exceed the specified input limits to avoid electric shock or damage. Use insulated test leads and avoid contact with live circuits. Disconnect power before measuring resistance or continuity. Follow all local electrical safety regulations to ensure safe operation.