B&K PRECISION LCR
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Frequently asked questions
Common questions about B&K PRECISION LCR from 3G Electric.
What are the measurement ranges of B&K Precision LCR meters?
B&K Precision LCR meters cover a wide range of component values. For example, the 895 model measures capacitance from 10 pF to 1 F, resistance from 0.01 ohm to 100 megaohm, and inductance from 10 mH to 1,000 H. The 880 model measures capacitance from 4 pF to 20 mF, resistance from 0.4 ohm to 10 megaohm, and inductance from 4 uH to 1,000 H. Lower-end models like the 878B start at 400 pF for capacitance and 400 uH for inductance. These ranges allow testing of a broad variety of capacitors, resistors, and inductors.
Which B&K Precision LCR meters are NIST traceable?
The B&K Precision 894 and 895 models are NIST traceable. This means their calibration is directly linked to standards maintained by the National Institute of Standards and Technology, providing documented measurement accuracy. NIST traceability is important for applications requiring calibration certificates or compliance with quality management systems. The 894 and 895 share the same measurement ranges: capacitance from 10 pF to 1 F, resistance from 0.01 ohm to 100 megaohm, and inductance from 10 mH to 1,000 H. Both include USB connectivity for data transfer.
Do B&K Precision LCR meters have USB or wireless connectivity?
Many B&K Precision LCR meters include USB interfaces for data logging and remote control. Models such as the 878B, 879B, 880, 894, and 895 feature USB connectivity. The 891 model adds wireless connectivity in addition to USB, allowing for greater flexibility in data transfer and remote operation. These interfaces enable integration with automated test systems and PC-based data acquisition. The USB interface typically supports virtual COM port or USBTMC protocols, depending on the model. Wireless capability on the 891 facilitates cable-free operation in environments where running cables is impractical.
What is the difference between the B&K Precision 878B and 879B LCR meters?
The B&K Precision 878B and 879B are both handheld LCR meters with USB interfaces, but they differ in measurement ranges. The 878B measures capacitance from 400 pF to 20 mF, resistance from 0.4 ohm to 10 megaohm, and inductance from 400 uH to 1,000 H. The 879B extends the lower end of capacitance and inductance measurement: capacitance from 40 pF to 20 mF and inductance from 40 uH to 1,000 H. Resistance range remains the same at 0.4 ohm to 10 megaohm. The 879B is suitable for testing smaller component values, while the 878B covers larger values.
Can B&K Precision LCR meters be used for production testing?
Yes, B&K Precision LCR meters are used in production testing, incoming inspection, and quality control. Their measurement speed, repeatability, and interface options make them suitable for automated test setups. Models with USB or wireless connectivity can be integrated into test fixtures and controlled by software for high-throughput testing. The NIST-traceable models (894, 895) provide the calibration documentation often required in production environments. The meters support automatic ranging and multiple test frequencies, which help optimize measurement conditions for different component types. They are also used in engineering labs and facility maintenance for troubleshooting and verification.
What test frequencies do B&K Precision LCR meters support?
B&K Precision LCR meters typically offer selectable test frequencies to accommodate different component types and measurement conditions. Common frequencies include 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz, depending on the model. For example, the 895 and 894 models provide multiple test frequencies up to 100 kHz. The 880 and 879B also offer a range of frequencies. Higher test frequencies are useful for measuring small capacitance and inductance values, while lower frequencies are better for large electrolytic capacitors. The specific frequency options are detailed in each model's datasheet.
