The B&K Precision Models 885 & 886 LCR Meter Operating Manual provides detailed instructions for setting up, operating, and troubleshooting the device, which is used to measure inductors, capacitors, and resistors with high accuracy. It covers features such as auto or manual ranging, test frequency and voltage selection, dual display for simultaneous measurements, and modes for sorting components, as well as guidance on battery replacement, calibration, and measurement techniques.
Manual Overview
The B&K Precision Models 885 and 886 LCR Meters are advanced handheld instruments designed for measuring inductors, capacitors, and resistors with a basic accuracy of 0.2%. These models support both AC and DC impedance measurements and can operate in auto or manual ranging modes. The meters offer test frequencies of 100Hz, 120Hz, 1KHz, 10KHz, and 100KHz (for model 886), with selectable test voltages of 50mVrms, 0.25Vrms, 1Vrms, or 1VDC for DCR measurements. The dual display allows for simultaneous measurement of primary parameters such as AC impedance (Z), DC resistance (DCR), serial and parallel inductance (Ls, Lp), and capacitance (Cs, Cp), along with secondary parameters like phase angle (Q), equivalence serial resistance (ESR), dissipation factor (D), and quality factor (Q).
Troubleshooting involves checking connections and ensuring proper calibration using open/short calibration procedures. Error diagnostics are not explicitly detailed but maintaining accurate measurements requires regular calibration and correct test settings. Calibration adjustments can be made for open and short circuits to ensure measurement accuracy. The manual provides board-level guidance for understanding impedance parameters and their representation on impedance measurement planes, crucial for accurate diagnostics and component analysis.
Quick Issues Covered
- Diagnose power-up failures with AC/DC operation troubleshooting.
- Error codes for open/short calibration and range hold issues.
- Schematics for circuit tracing and component connection analysis.
Overview
The B&K Precision Models 885 & 886 Synthesized In-Circuit LCR/ESR Meter is a high accuracy handheld portable test instrument designed for measuring inductors, capacitors, and resistors with a basic accuracy of 0.2%. It is considered the most advanced handheld AC/DC impedance measurement instrument available. The device is suitable for use in electronic engineering labs, production facilities, service shops, and schools. It can measure both AC and DC impedance, providing a dual display for simultaneous measurements. The meter supports auto or manual ranging and offers test frequencies of 100Hz, 120Hz, 1KHz, 10KHz, or 100KHz (for model 886), with selectable test voltages. The instrument is powered by two AA batteries and comes with an AC to DC charging adapter and two AA Ni-Mh rechargeable batteries. Key features include open/short calibration, fast/slow measurement, and a variety of display combinations for different measurement parameters.
Specifications
- Test condition:
- Frequency: 100Hz, 120Hz, 1KHz, 10KHz, 100KHz (886)
- Level: 1Vrms, 0.25Vrms, 50mVrms, 1VDC (DCR only)
- Measurement Parameters:
- Z, Ls, Lp, Cs, Cp, DCR, ESR, D, Q, 0
- Basic Accuracy: 0.2%
- Dual Liquid Crystal Display
- Fast/Slow Measurement
- Auto Range or Range Hold
- Open/Short Calibration
- Primary Parameters Display:
- Z: AC Impedance
- DCR: DC Resistance
- Ls: Serial Inductance
- Lp: Parallel Inductance
- Cs: Serial Capacitance
- Cp: Parallel Capacitance
- Second Parameter Display:
- Q: Phase Angle
- ESR: Equivalence Serial Resistance
- D: Dissipation Factor
- Q: Quality Factor
- Combinations of Display:
- Serial Mode: Z-6, Cs-D, Cs-Q, Cs-ESR, Ls-D, Ls-Q, Ls-ESR
- Parallel Mode: Cp-D, Cp-Q, Lp-D, Lp-Q
- LCD Display Range:
- Z: 0.000 Ω to 9999 MΩ
- L: 0.000 pH to 9999 H
- C: 0.000 pF to 9999 F
- DCR: 0.000 Ω to 9999 MΩ
- ESR: 0.000 Ω to 9999 Ω
- D: 0.000 to 9999
- Q: 0.000 to 9999
- -180.0° to 180.0°
- Accuracy:
- Z Accuracy:
- DCR: 2%
- C Accuracy:
- Note:
- 1. The accuracy applies when the test level is set to 1 Vrms.
- 2. Ae multiplies 1.25 when the test level is set to 250mVrms.
- 3. Ae multiplies 1.50 when the test level is set to 50mVrms.
- 4. When measuring L and C, multiply Ae by √(1+D²) if D>0.1.
- 5. Ae is not specified if the test level is set to 50mV.
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
The operation section of the manual describes various steps and modes for using the LCR meter models 885 and 886. It includes instructions on making measurements, battery replacement and recharging, open and short calibration, display speed settings, relative mode, range hold, DC resistance measurement, AC impedance measurement, capacitance measurement, and inductance measurement. Additionally, there is information on accessory operation.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
Refer to the PDF for details.
Download MANUAL Manual (PDF – 3.5 MB)
Bk-precision-885 manual: troubleshoot and calibrate equipment with step-by-step instructions. PDF size: 3.5 MB.
- Brand: Bk-precision-885-instruction
- Model: MANUAL
- Type: Manual
- File size: 3.5 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-885-instruction Overview
The Bk-precision-885 is a versatile digital multimeter designed for accurate measurement of electrical parameters in various applications. Ideal for both professional technicians and hobbyists, this device provides reliable readings of voltage, current, resistance, and continuity, making it essential for troubleshooting and testing electronic circuits and equipment.
Main Features and Specifications
- Measurement Functions: AC/DC Voltage, AC/DC Current, Resistance, Continuity
- Display: Large backlit LCD for clear readings
- Auto-ranging capability for ease of use
- Data Hold function to freeze readings on the display
- Overload protection on all ranges
- Battery operated with low battery indicator
- Compact and durable design suitable for field and lab use
Basic Usage and Operation Tips
Before using the Bk-precision-885, ensure the device is powered on and the correct measurement mode is selected. Connect the test leads securely to the device and the circuit under test. For voltage measurements, connect the leads in parallel with the component, while for current measurements, connect them in series. Use the data hold feature to capture stable readings when necessary. Always start with the highest range if unsure of the expected measurement to prevent damage.
Troubleshooting and Maintenance
If the device displays erratic readings or fails to power on, check the battery status and replace it if needed. Inspect test leads for damage or wear and replace them if necessary. Clean the device regularly with a soft, dry cloth and avoid exposure to moisture or extreme temperatures. If the multimeter shows "OL" or overload, reduce the measurement range or check the circuit connections.
Safety Reminder
Always observe proper safety precautions when using the Bk-precision-885. Avoid measuring voltages or currents beyond the specified limits to prevent electric shock or damage. Do not use the device in explosive atmospheres or in wet conditions. Ensure hands and test leads are dry and insulated during operation. Follow all local electrical safety regulations and guidelines.