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894 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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894 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 5 page  Data Sheet 500 kHz / 1 MHz Precision LCR Meter Models 894 & 895 Technical data subject to change © B&K Precision Corp. 2017 www.bkprecision.com Industry-Leading Performance The 894 and 895 are high accuracy LCR meters capable of measuring inductance, capacitance, and resistance of components and materials at DC or from 20 Hz to 500 kHz or 1 MHz respectively. These LCR meters provide flexible AC and DC test signal configuration. AC test signal voltage is variable from 5 mVrms to 2 Vrms, the AC current is adjustable up to 66.7 mArms, depending on the AC impedance selected, and a DC bias signal can be added. The vivid 4.3-inch TFT LCD offers a clear view of all measured and setting values along with BIN sorting comparator results and a handy Zoom feature that enlarges the measured values to full screen. With a basic accuracy of 0.05%, auto level control (ALC), open / short / load correction and cable length compensation, these meter are perfect tools for R&D, manufacturing and quality control applications. Features & Benefits n AC test signal voltage adjustable up to 2 Vrms n 3 AC current ranges, selectable via 30 Ω, 50 Ω or 100 Ω internal AC impedance. The 30 Ω setting provides up to 66.7 mArms of drive current, sufficient for larger inductors and transformers. n Built-in DC bias source adjustable from -5V to +5V / -50 mA to +50 mA n Fast measurement speed up to 13 ms/reading to increase manufacturing throughput n Adjustable measurement speed for fast readout or better accuracy n 201-point programmable list sweep function providing ability to sweep frequency, AC and DC bias voltage/current levels n Auto-level control to maintain the measurement signal applied to the DUT at a constant level n Test signal voltage and current monitoring n BIN comparator function to sort components in up to 10 bin locations n Handler interface for easy integration with a component handler n 1 m and 2 m cable compensation n 4-terminal fixture and Kelvin clip test leads included n Transformer test function with optional transformer test fixture TL89T1 n Versatile trigger functionality (internal, external, bus and manual) n Standard USB, LAN, and GPIB (895 only) interface for remote control using SCPI commands DC Biasing Both the 894 and 895 feature a DC bias source which allows the meter to apply a DC signal to the device under test to simulate in-circuit conditions. DC biasing is commonly used to measure capacitance of ceramic, MLCC, polyester and other capacitors with high dielectric constants. These type of capacitors exhibit a significant change in capacitance with a DC voltage applied. By controlling the DC voltage, users can obtain a more deterministic measurement result. Other applications include evaluation of cored-inductors and junction capacitance of semiconductor devices. The DC bias source is adjustable from -5V to +5V / -50 mA to +50 mA. Additionally the voltage or current levels can be swept while logging the resulting capacitance. Model 894 895 Measurement parameters L, C, R, G, X, Z, Y, B, θ, Q, D, DCR Basic accuracy 0.05% DCR measurement range 0.01 Ω - 100 MΩ Test frequency range 20 Hz - 500 kHz 20 Hz - 1 MHz |
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