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Shunts
An Instrument Shunt is a resistor connected in parallel with a measuring device to move the current range beyond a particular value for which the instrument is capable of measuring directly.
See Also: Current Shunts
- Valhalla Scientific Inc.
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Precision AC/DC Active Current Shunt
2575A
A versatile, powerful calibration tool, the 2575A Precision AC-DC Active Current Shunt measures both AC/DC current and works as a standard for low-level resistance calibration requirements.
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Load Cell Indicator
9820
Bipolar, 5-digit display featuring 2000Hz high-bandwidth, +/-10V analog output, front-panel shunt calibration and tare, peak and valley monitoring. Sensor connection is via a removable screw-terminal connector.
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E-Beam Welded Through Hole Shunt Resistors
BWT
These space saving components feature E-Beam welded construction and full RoHS compliancy.
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Power Metering Precision Shunt Resistore
PMS
These components have E-Beam welded manganese-copper alloy elements giving high strength, stability and reliability. Low thermal EMF and TCR. Small size and minimal power loss. Minimal heat generation and surface temperature due to small total resistance. Proprietary processing technique allows very low resistance values. Ideally suited for KWh meters and sampling sensor shunts. These units are also suitable for custom design.
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NI-9238, ±500 mV, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module
783311-01
±500 mV, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module - The NI‑9238 performs differential analog input. The measurement range is compatible with many low-voltage sensors such as current shunts and current transducers in high-current applications. When used with higher-voltage C Series Voltage Input Modules, the NI‑9238 can measure power and energy consumption for applications such as appliance test, industrial machine monitoring, power quality analysis, phasor measurements, and harmonic analysis.
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37 Pin Breakout Interface
VSI-Breakout-37
The VSI-Breakout-37 is a very useful tool in debugging signals or software in a system. It allows unlimited access to signals within the cabling that might otherwise be difficult to access. The board gives test points at each side of the connector and jumper with a easy to use tabbed shunt to allow for easy disconnection of any particular signal between the connectors. The jumpers also give an opportunity to inject a signal regardless of what signal was originally being driven.
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Load Cell Amplifier Signal Conditioner with DB9 Connectors
MODEL LCA-9PC
The LCA-9PC Module provides low-cost, dedicated signal conditioning for a single bridge type load cell or torque sensor. Model LCA-9PC comes with DB9 male and female connectors, which require soldering to user-furnished mating female or male wire connectors. On- board jumper selections include sensitivities from 0.5 mV/V to 10 mV/V, bandwidths from 100 Hz to 30 kHz, and amplified outputs of 0 to ±5V, 0 to ±10V, 0-16 mA, 0-20 mA or 4-20 mA. Zero and span adjustments are via precision 25-turn low-tempco metal film otentiometers.The units can be operated next to the sensor with 4-wire hookup or at distances up to 1 km (3300 feet) with 6-wire hookup. An onboard 87.325 kΩ resistor allows easy shunt calibration at the push of a button. Provision is also made for a user-furnished calibration resistor. Power requirements are 11.8 to 26V DC with load currents from 10 to 60 mA, the latter applying when the unit provides 10V DC excitation to a 350 ohm load cell and delivers a 20 mA analog output.
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Signal Conditioner
SGA
Versatile signal conditioner featuring user selectable outputs of +/-10V, +/-5V, 0-10V, 0-5V, 0-20mA and 4-20ma. DC or AC powered with switch selectable filters from 1 to 5kHz and a sealed ABS enclosure. Supports shunt calibration and a wide range of gain settings.
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12-Ch 10A-250VAC RCV Power Distribution Unit
YAVAR438
- Hardware controlled Enable Input- 12 Power relays up to 10A 250VAC/DC and 300W or 2.700VA switching power- 12 10-mOhm shunt resistors.- 6 Switched 2-Pole sense channels- Single phase isolated or 3-Phases non-isolated switching capabilities, to or from the device under test (power or load)- VPC TriPaddle 96 pins connector.- NI LabView & TestStand driver.- .NET, C/C++, VB driver.- Soft Front panel for direct interface.- CAN Control or Ethernet (with Ethernet to CAN Gateway).- Self-test module available.- Form A
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PXIe-4331, 102.4 kS/s, 24-Bit, 8-Channel PXI Strain/Bridge Input Module
781345-01
102.4 kS/s, 24-Bit, 8-Channel PXI Strain/Bridge Input Module—The PXIe‑4331 is a high-speed input module that provides integrated data acquisition and signal conditioning for dynamic strain, load, and pressure measurements. This module includes increased accuracy, high data throughput, and synchronization features, making it ideal for high-density measurement systems. To remove noise, the PXIe‑4331 offers antialiasing and digital filters per channel. Each channel also features an independent, programmable excitation voltage. Additionally, the PXIe‑4331 provides remote sensing, internal bridge completion, and shunt calibration options per channel.
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Shunt Assembly
RSA-8
The RSA-8 Recording Shunt Assembly contains 8 individual shunts with terminal block programming for either a current channel (using the shunt) or bypassing the shunt and using a dropping resistor for conversion to a voltage channel.
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Shunts
Highly accurate manganin resistance d.c shunts. When a current is passed through the shunt a proportional millivolt output is produced.
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Software
Solar Cells/ Photovoltaic Devices
Materials Development Corporation
MDC offers a comprehensive array of current-voltage, capacitance-voltage, and resistivity measurements to characterize solar cells and PV devices. CSM/Win systems and software can help to fine tune your process for maximum efficiency. Critical values such as series and shunt resistances, maximum power point (both actual and theoretical), and fill factor are automatically determined.
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Current Sensing Resistors: ACQ-200
TCS
These components are four-terminal. bus-bar, metal strip current shunts. Assembled using electron beam welding. These units can handle 15W of continuous power and a maximum current of 350A 90.1mohm). Also they can absorb a high pulse power rating and have very low inductance. They also feature excellent long term stability, less than 100ppm/C TCR, and have excellent frequency characteristics.
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Series Voltage References
Analog Devices offers a broad line of series voltage references with low dropout, low power, and excellent line regulation. These devices are voltage references that are functionally similar to a three-terminal regulator. Some series voltage references are designed to also operate in shunt mode by biasing the output pin and leaving the input pin open circuit. Series mode voltage references have the advantage that they draw only load and quiescent current from the input supply.
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Precision Micro-Ohmmeter
4176
Best-selling Valhalla 4176 ohmmeter measures transformers, coils, and shunts the competition can’t. The 4176 provides ultra-stable low-resistance measurements.
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50 Pin Breakout Interface
VSI-Breakout-50
The VSI-Breakout-50 is a very useful tool in debugging signals or software in a system. It allows unlimited access to signals within the cabling that might otherwise be difficult to access. The board gives test points at each side of the connector and jumper with a easy to use tabbed shunt to allow for easy disconnection of any particular signal between the connectors. The jumpers also give an opportunity to inject a signal regardless of what signal was originally being driven.
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AC Current Shunts
CSA Series
Ohm-Labs’ CSA series of ac current shunts are designed as laboratory standards for ac current measurement up to high frequencies.
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Shunt Reactors
ENTES Shunt Reactors are high quality devices which are designed to meet the inductive load demands.
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Cross Voltage Testers
designed to perform the 60 Hz power line cross test/AC power fault tests required in GR 1089 issue 6 table 4.5 surge test 3,4, 4.3,and 6, and for UL 1950 section 6.4 paragraph 3 and 4.. Preset and Adjustable Time Settings Measuring Terminals including Voltage Sense and Current Shunt portals provide a safe location for users to accurately measure test voltages and output current while setting up tests. Calibration of the Mini_PT-600 is designed to be performed with a simple handheld multi-meter and the removable Currents Shunts can be easily sent to a calibration laboratory if required.
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100 Pin Breakout Interface
VSI-Breakout-100
The VSI-Breakout-100 is a very useful tool in debugging signals or software in a system. It allows unlimited access to signals within the cabling that might otherwise be difficult to access. The board gives test points at each side of the connector and jumper with a easy to use tabbed shunt to allow for easy disconnection of any particular signal between the connectors. The jumpers also give an opportunity to inject a signal regardless of what signal was originally being driven.
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68 Pin Breakout Interface
VSI-Breakout-68
The VSI-Breakout-68 is a very useful tool in debugging signals or software in a system. It allows unlimited access to signals within the cabling that might otherwise be difficult to access. The board gives test points at each side of the connector and jumper with a easy to use tabbed shunt to allow for easy disconnection of any particular signal between the connectors. The jumpers also give an opportunity to inject a signal regardless of what signal was originally being driven.
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Built-in Measuring Instruments
PeakTech Prüf- und Messtechnik GmbH
Practical built-in module as voltmeter with freely definable measuring range from 0 to 200mV, 2V, 20V, 200V or 500 V. Current measurements from 0 to 200µA, 2mA, 20mA, 200mA and 2A can be carried out via a shunt. With the snap-in frame, this inexpensive module can be integrated into any front panel of your own construction.
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Electrical Standards
To verify the performance of an electrical calibrator or dc calibrator, you need an electrical standard. Fluke Calibration standards are found in primary calibration laboratories across the world. A wide range of electrical standards and frequency standards are designed to meet the needs of today’s laboratories for traceability and quality accreditation while also being portable, simple to use, and easy to support. Electrical standards include: Voltage standards; ac/dc transfer standards; ac measurement standards; resistance standards; ratio standards; current shunts.
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DC Current Shunts
DC current shunts / standards are true 4-terminal devices that precisely measure DC currents from 10 A to 10,000 A. They use special alloys in the resistive elements which are supported on an insulating base for mechanical stability. The 9230A includes special features to reduce the effects of power dissipation and associated self heating errors. These shunts are designed to operate in air at full rated current. These are the best performing, and most widely used, DC metrology shunts in the world.
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PXI Based Multifunction Measurement and ICT Instrument
PXI-501
The PXI-501 is a multifunction measurement instrument for functional and in-circuit measurements.It combines two parametric measurement units with a digital voltmeter, a high voltage current source and a discharge unit. This powerful combination makes it the ideal instrument for classical analog in-circuit test and manufacturing defect analysis with additional functional test capabilities.With it’s fast sampling rate of up to 4MSps it speeds up measurements and is capable of measuring and generating AC signals up to 100kHz.To enhance the PXI-501 capabilities it can be combined with an ABex TM-501 or an ABex TM-404. The ABex TM-501 enhances the in and output range of the PXI-501. Furthermore, it provides a shunt current measurement upgrade. In combination with the ABex TM-404 it’s a complete in-circuit test solution with 86 channels in one ABex slot. For sure it can be upgraded to 2838 test points in one rack by simply adding additional matrix modules.With the above-mentioned terminal modules, the PXI-501 is able to act as a ABex system controller, so that no additional controller is required in the cassis.
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Medium Voltage Iron Core Oil-Immersed Shunt Reactor
Iron core Oil-immersed Shunt Reactors act as an absorber of reactive power to increase energy efficiency of the power system.
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L Terminal Shunt Resistor
LT
LT shunts are highly accurate manganin resistance D.C. shunts. These shunts are designed for standard current measurement of electric equipment.
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FD-11637, 8-Channel Strain/Bridge Input Device for FieldDAQ
785641-01
8-Channel Strain/Bridge Input Device for FieldDAQ - The FD-11637 can measure eight channels and has built-in bridge completion and voltage excitation to support for quarter-, half-, and full-bridge sensors. It also features anti-alias filtering, offset nulling, and shunt calibration to reduce the effect of noise and improve measurement accuracy. The FD-11637 has an ingress protection rating up to IP67 (dust- and water-resistant), can operate in -40 °C to 85 °C environments, and can sustain 100 g shock and 10 grm vibration. The FD-11637 incorporates Time Sensitive Networking (TSN) and features an integrated network switch and built-in power circuitry for simple daisy chaining. You program the FD-11637 with NI-DAQmx, which automatically synchronizes multiple FieldDAQ™ devices. The FD-11637 is ideal for test cell and outdoor environments.
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AC Power Analyzers
Measure voltage, current and power on 4 channels: DC, 1-phase AC or 3-phase ACMake more accurate power measurements: 0.05% at 50/60 HzMeasure current directly: internal shunts to 50 Arms, or with external probes or transducersAddress multiple test scenarios with isolated inputs
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Capacitance Bridge
1621
The GenRad1621 Capacitance Measurement system is a completely self-contained system capable of capacitance measurements in increments as small as 0.1 aF (10-4 pF) and conductance measurements in increments as small as 100 aU (10-7 U; equivalent to a shunt resistance of 1010 M). Measurements are three terminal, with 2- or 3-terminal connection, and provision is also made for the connection of an external standard for comparison measurements.
