The BK830C and BK890C are 11,000-count handheld capacitance meters that measure capacitance up to 200 mF (50 mF for BK890C). Easy to use, these meters make measurements quickly and simplify the capacitance sorting process. Unlike other handheld instruments, such as LCR meters that make measurements using an AC signal with a specific test frequency, these units measure capacitance by applying a constant current that briefly charges, then discharges the connected capacitor. These meters include many handy functions. The compare mode which supports 25 sets of High/Low limits, provides a convenient means to sort capacitors, without needing to set up the meter each time. Data logging, Hold/Min/Max Average recording, tolerance, and relative mode features offer additional component troubleshooting tools.

Product Features

• 0.5% basic accuracy
• Measure capacitance up to 200 mF (50 mF for BK890C)
• Bright LCD backlight
• Fast auto range design for rapid, easy component measurements
• USB (Virtual COM) interface
• SCPI compliant commands for remote communication
• Software for data logging and front panel emulation available as free download

Applications:

• Capacitive component troubleshooting
• Electronic assembly
• Component sorting
• Quality control

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The BK878B, BK879B, and BK880 40,000-count handheld LCR meters measure inductance, capacitance, and resistance quickly and precisely.

The BK879B and BK880 also measure impedance, Theta, and ESR. Additionally, the BK880 offers capabilities typically only found in bench LCR meters, such as a 4-terminal configuration, basic measurement accuracy up to 0.1 %, test frequencies up to 100 kHz, selectable test signal levels and measurement rate.

Product Features

• 40,000 counts resolution on primary and 10,000 counts resolution on secondary display
• L, C, R and Z (BK879B & BK880 only) primary measurements
• Automatic calculation of secondary parameters D, Q, θ, ESR (θ/ESR for BK879B & BK880 only), DCR (BK880 only)
• Accuracy up to 0.1% and selectable test frequencies up to 100 kHz (BK880 only)
• Fast auto range design for rapid, easy component measurements
•  Auto detect mode for automatic component type identification and measurement type selection (BK880 only)
• Relative mode
• Visible and audible tolerance mode
• Data Hold and Min/Max/Average recording
• USB (Virtual COM) interface
• SCPI compliant commands for remote communication
• Software for datalogging and front panel emulation available as free download
• Configurable power-up-states
• 3 year warranty

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Both models feature low power resistance testing (LPR) modes and variable measurement speeds that are suited for a wide range of applications. The handler interface with high-speed measurement capabilities enable the BK2840 Series to evaluate a large quantity of components and be integrated into an automated test system.

The BK2841 model adds extended range, accuracy, temperature measurement and functions. It also allows you to measure low resistivity materials with offset voltage compensation to reduce the influence of thermal EMF. Another benefit is the cable error detection facility. This displays a message when one of the terminals is open, which helps identify defective test leads or poor contact that can cause unreliable measurements.

The BK2841 includes two temperature compensation functions: correction (TC) and conversion (∆t). The TC function corrects for ambient temperature changes that cause different resistance measurements of the same component. The temperature conversion (∆t) function can be used to evaluate a coil’s resistance before and after
operation to calculate a temperature change.

These additional features make the BK2841 ideal for evaluating coils, motor windings, transformers, actuators and conductive materials.

Key Features

• 4.3-inch colour touch screen
• 4-wire terminal Kelvin test leads included
• Low power resistance mode to protect DUT
• Fast measurement speed up to 20 ms/reading to increase manufacturing throughput
• Bin-sorting with statistical measurement
• Screen capture to USB drive
• Standard RS232, USB (USBTMC and virtual COM) and LAN (2841 only) interfaces
• 3 year warranty

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Product Features

• AC test signal voltage adjustable up to 2 Vrms
• 3 AC current ranges, selectable via 30 ohm, 50 ohm or 100 ohm internal AC impedance. The 30 ohm setting provides up to 66.7 mArms of drive current, sufficient for larger inductors and transformers.
• Built-in DC bias source adjustable from -5V to +5V / -50 mA to +50 mA
• Fast measurement speed up to 13 ms/reading to increase manufacturing throughput
• 201-point programmable list sweep function providing ability to sweep frequency, AC and DC bias voltage/current levels
• Auto-level control to maintain the measurement signal applied to the DUT at a constant level
• Test signal voltage and current monitoring
• BIN comparator function to sort components in up to 10 bin locations
• 1 m and 2 m cable compensation
• 4-terminal fixture and Kelvin clip test leads included
• Transformer test function with optional transformer test fixture TL89T1
• Versatile trigger functionality (internal, external, bus and manual)
• Standard USB, LAN, and GPIB (895 only) interface for remote control using SCPI commands

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