The BK Precision 878B and 879B LCR meters are designed for measuring inductance, capacitance, and resistance, featuring both parallel and series mode measurements with selectable testing frequencies. The manual provides instructions for setup, operation, and troubleshooting, including safety precautions, power options, and data transfer capabilities via USB for applications requiring data logging.
Manual Overview
The BK Precision 878B and 879B LCR meters are designed for measuring inductance, capacitance, and resistance with high accuracy. The manual provides detailed guidance on troubleshooting, calibration, and diagnostics. For troubleshooting, users should follow the flowchart provided to identify and resolve common issues, starting with checking power sources and connections. Error codes are displayed on the LCD, and the manual includes a comprehensive list of these codes along with diagnostic steps to address them. Calibration procedures are outlined to ensure measurement accuracy, including zeroing the meter and using known standards for reference. Adjustments at the board level should only be performed by qualified technicians, as the manual emphasizes safety precautions such as avoiding live circuits and not substituting parts. The meter supports both parallel and series measurement modes, with selectable test frequencies to accommodate different component types. Additionally, the manual covers the use of the USB interface for data logging and remote communication, providing command protocols for integration with PCs.
Quick Issues Covered
- Diagnose power-up failures with battery or AC adapter issues.
- Calibrate for accurate LCR measurements using front panel controls.
- Troubleshoot error codes related to test frequency settings.
Overview
B&K Precision’s 878B and 879B are 40,000-count L/C/R hand-held meters designed for measuring inductance, capacitance, and resistance components. They offer both absolute parallel mode and series mode measurements with selectable testing frequencies. The meters feature front panel push buttons for convenient function and feature selection, such as data hold, record modes, relative mode, tolerance sorting, frequency, and L/C/R selection. Test data can be transferred to a PC via a Mini USB connection, suitable for data logging applications. The meters are equipped with a tilt stand for flexible positioning and an over-molding rubber case for durability. They can be powered by a single 9V battery or a DC 12V power adaptor (model 879B only), allowing for portable or bench-top use.
Specifications
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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
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Safety & Warnings
The following safety warnings and precautions are explicitly present in the manual:
1. Do not operate the instrument in an explosive atmosphere, such as in the presence of flammable gases or fumes.
2. Keep away from live circuits. Instrument covers must not be removed by operating personnel, and component replacement and internal adjustments must be made by qualified maintenance personnel.
3. Do not substitute parts or modify the instrument. Unauthorized modifications or installation of substitute parts can impair safety features. Return the instrument to B&K Precision for service and repair.
4. Follow all WARNING and CAUTION statements throughout the manual to avoid injury, death, or damage to the product.
5. The meter is for indoor use and should be used at altitudes up to 2,000 meters.
6. Before using the instrument, read and understand all warnings and precautions.
7. When measuring in-circuit components, de-energize the circuits before connecting to the test leads and discharge capacitors before testing.
8. Use the meter only as specified in the manual to ensure the protection provided by the meter is not impaired.
9. The meter is safety-certified in compliance with EN61010 (IEC 1010-1) Installation Category II (CAT. II) 50 V, Pollution Degree 2 environment.
10. If using a power adaptor, ensure it fulfills the safety requirements of a relevant IEC standard.
Download MANUAL Manual (PDF – 12.2 MB)
Bk-precision-878b-879b-instruction manual PDF guides technicians in troubleshooting and calibrating models 878B and 879B. File size: 12.2 MB.
- Brand: Bk-precision-878b-879b-instruction
- Model: MANUAL
- Type: Manual
- File size: 12.2 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-878b-879b-instruction MANUAL Overview
The Bk-precision-878b-879b is a versatile digital multimeter designed for accurate measurement of electrical parameters such as voltage, current, resistance, and continuity. Ideal for both professional technicians and hobbyists, this device provides reliable diagnostics and troubleshooting for electronic circuits and electrical systems.
Main Features and Specifications
- Measurement Functions: AC/DC Voltage, AC/DC Current, Resistance, Continuity, Diode Test
- Display: Large backlit LCD with clear digit readings
- Auto and Manual Ranging for flexible measurement options
- Data Hold and Relative Mode for convenient data analysis
- Input Protection to prevent damage from incorrect connections
- Low Battery Indicator for timely battery replacement
- Compact and ergonomic design for comfortable handling
Basic Usage and Operation Tips
Before use, ensure the multimeter’s battery is fully charged. Select the appropriate measurement mode using the rotary dial. Connect the test leads to the correct input jacks and probe the circuit or component under test. For voltage measurements, place the probes in parallel with the component; for current, connect in series. Always start with the highest range to prevent damage and then adjust down for precise readings. Use the data hold feature to freeze readings when needed.
Troubleshooting and Maintenance
If the multimeter displays erratic readings or no display, check the battery and replace it if necessary. Ensure test leads are intact and properly connected. Clean the device regularly with a dry cloth and avoid exposure to moisture or extreme temperatures. If the device fails to power on after battery replacement, consult the manual for fuse replacement instructions or contact authorized service centers.
Safety Reminder
Always observe proper safety precautions when handling electrical equipment. Do not exceed the maximum input limits specified in the manual. Avoid measuring live circuits with damaged test leads or when the device casing is cracked. Disconnect power before changing measurement modes or test leads to prevent electric shock or damage to the multimeter.