The manual for the BK Precision Model 878 Universal LCR Meter provides detailed instructions on setting up and operating the device, including measuring inductance, capacitance, and resistance, as well as utilizing auto and manual ranging modes. It also includes troubleshooting guidance, such as calibration prompts and battery replacement, to ensure accurate measurements and maintain the instrument's functionality.
Manual Overview
The B+K Precision Model 878 Universal LCR Meter is a portable instrument designed to measure inductance, capacitance, and resistance with a full 4-digit display. It supports both auto and manual ranging modes, and allows measurements in series or parallel modes. Calibration is prompted by the device, requiring either an open or short setup, and is performed by pressing the CAL key to zero out test lead capacitance, inductance, or resistance. The meter features a dual display for simultaneous measurement of inductance and Q, or capacitance and dissipation factor (D). It operates at test frequencies of 1 kHz or 120 Hz with a basic accuracy of 0.7%. The device includes modes for sorting components: MAX/MIN/AVG, Relative, and Tolerance, each providing specific functionality for batch testing and component sorting. The meter is powered by a 9-volt battery or an AC adapter and includes an auto power-off feature to conserve battery life. Error diagnostics are not explicitly detailed, but calibration and measurement accuracy are emphasized for optimal operation.
Quick Issues Covered
- Diagnose power-up failures with auto power-off feature troubleshooting.
- Identify error codes during calibration prompts for open/short conditions.
- Use schematics for circuit tracing and component sorting modes.
Overview
The B+K Precision Model 878 Universal LCR Meter is a handheld portable test instrument designed for measuring inductance, capacitance, and resistance. It features a full 4-digit display capable of reading values up to 9999 on each range and offers a dual display for simultaneous measurement of inductance and Q or capacitance and D (Dissipation Factor). The instrument supports both autoranging and manual ranging, with selectable test frequencies of 1kHz or 120 Hz. It includes features for calibration, component sorting, and offers modes such as MAX/MIN/AVG, Relative, and Tolerance. The Model 878 is suitable for use in electronic engineering labs, production facilities, service shops, and educational settings. It can be powered by an AC adapter or a 9-volt battery and includes an auto power-off feature to conserve battery life.
Specifications
- Ranging Mode: Auto and Manual
- Parameters Measured: L, C, R, D and Q
- Measured Circuit Mode: Parallel Mode (for Resistance and Capacitance); Series Mode (for Inductance)
- Alternate Mode: Series Mode for Resistance and Capacitance, Parallel Mode for Inductance
- Display: 4 Digit Max LCD Display for L, C, R; 3 Digit LCD Display for D/Q
- Test Frequency: 1 KHz and 120 Hz
- Frequency Accuracy: ± 0.01%
- Measurement Rate: 1 measurement per second (Nominal)
- Test Signal Level: 0.9 Vrms (approximately)
- Response Time: Approximately 1 second per DUT (Device Under Test)
- Input Measurement Terminals: 2 terminals with sockets
- Temperature Coefficient: 0.05 x Specified Accuracy/°C
- Operating Temperature: 0° C to 40° C
- Storage Temperature: -20° C to +50° C
- Power Requirements: Battery 9 Volt (Alkaline preferred) or External DC Adapter: DC 12V min to 15
- Low Battery Indication: 6.8 V (Approximately)
- Power Consumption: Max 40 mA; 0.3 mA @ Auto Power Off (Sleep Mode)
- Protective Fuse: 0.1A, 250 VAC, Fast Blow
- Auto Power Off Time: Approximately 5 minutes
- Dimensions: 7.56" L x 3.54" W x 1.46" H
- Weight: 13.76 Ounces (390 grams) including Battery
- Accessories Included: AC Power Adapter, Test Leads (1 Pair), Spare Fuse (1), Instruction Manual
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
The manual provides information on the operation and basic usage steps of the BK Precision Model 878 Universal LCR Meter. The instrument is used for measuring inductance, capacitance, and resistance. It features a full 4-digit display that reads values up to 9999 on each range and allows for simultaneous measurement of inductance and Q or capacitance and D (Dissipation Factor). The meter can operate in both autoranging and manual ranging modes and offers a test frequency of 1kHz or 120 Hz. Calibration is prompted by the instrument and can be performed by pressing the CAL key, which zeroes out test lead capacitance, inductance, or resistance. Components can be measured in series or parallel mode, with the standard method being selected automatically but can be overridden. The meter includes modes for sorting components, such as MAX/MIN/AVG, Relative, and Tolerance modes. It is powered by an AC adapter or a 9-volt battery and features an auto power-off function to conserve battery life. The Model 878 is suitable for use in various settings, including electronic engineering labs, production facilities, service shops, and schools.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
Always discharge any capacitors that are to be measured and observe polarity markings on polarized capacitors. Never apply a voltage to the input jacks of the instrument.
Download MANUAL Manual (PDF – 1.1 MB)
Bk-precision-878-instruction manual: Guide for technicians to troubleshoot and calibrate the Bk-precision-878 model. File size: 1.1 MB.
- Brand: Bk-precision-878-instruction
- Model: MANUAL
- Type: Manual
- File size: 1.1 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-878-instruction Overview
The Bk-precision-878 is a versatile digital multimeter designed for accurate electrical measurements in both professional and hobbyist environments. This device provides reliable readings of voltage, current, resistance, and continuity, making it an essential tool for troubleshooting and testing electronic circuits, electrical installations, and various electrical 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 low-light conditions
- Auto and Manual Ranging for precise measurements
- Data Hold Function to freeze readings on the display
- Overload Protection to prevent damage to the device
- Battery Operated with low battery indicator
- Compact and ergonomic design for ease of use and portability
Basic Usage and Operation Tips
Before starting measurements, ensure the multimeter is set to the correct measurement mode and range. Connect the test leads securely to the device and the circuit under test. For voltage measurements, place the leads in parallel with the component; for current, connect the leads in series. Use the data hold feature to capture readings when working in awkward positions. Always start with the highest range to avoid overloading the meter and adjust downward for more accurate readings.
Troubleshooting and Maintenance
If the device does not power on, check the battery status and replace if necessary. In case of inconsistent readings, inspect the test leads for damage or loose connections. Clean the exterior with a dry cloth and avoid exposure to moisture or extreme temperatures. Store the multimeter in a protective case to prevent physical damage. Regularly verify calibration to maintain accuracy.
Safety Reminder
Always follow proper safety protocols when working with electrical equipment. Do not exceed the maximum input limits specified in the manual. Avoid measuring voltage or current in circuits with voltages higher than the device’s rating. Disconnect power before changing test leads or measurement settings. Use insulated gloves and tools when necessary to prevent electric shock.