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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
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AC and DC Non Inductive Current Shunt
Series A co-axial shunt and Option 02F/B shunt
Use with wattmeters, DMMs and power analyzers to extend current measurement ranges. Use with phase angle meters to enable phase angle measurements between voltage and current. Ultra low phase shift
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Turbine Flowmeters
Titan’s small turbine flowmeter range use a radial flow principle based on the Pelton wheel technique. This well proven method is the ideal way of measuring low rates of flow of low viscosity liquids. For these mini flowmeters, a jet of fluid is directed at a turbine that is mounted on robust low friction sapphire bearings. The geometry of the turbine and the fluid chamber ensures that the rotational speed of the rotor is proportional to the flow rate through the device. The use of this radial arrangement allows more energy to be imparted into the turbine, so the bearing drag is far less important. Furthermore, because more energy is available the bearings themselves can be a lot stronger so increasing the life of the flowmeter. For larger flows, some of the liquid can bypass the turbine chamber, which then behaves as a “shunt” to the metered fluid. Accuracy is still maintained and the output remains linear.
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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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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.
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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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Digital Arrester Clamp Tester
ALCL-40L
MULTI MEASURING INSTRUMENTS Co., Ltd.
Lightning arresters are designed to protect a power distribution system by shunting to ground the high voltage surges caused by lightning. ALCL-40L measures to warn that an arrester is damaged or deteriorated and should not be energized.
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Shunt
Shunts are used with Moving Coil Ammeters for the measurement of current in DC Circuits.
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Current Probe
DCP-BTA
Vernier Software & Technology, LLC
The Current Probe measures DC and low-frequency AC currents up to 600 mA. Use Current Probes in combination with Differential Voltage Probes to investigate Ohm's Law and explore series and parallel circuits. The 0.1 shunt resistor minimizes changes to your circuit. If currents will exceed 1 A, use the High Current Sensor.
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9 Pin Breakout Interface
VSI-Breakout-9
The VSI-Breakout-9 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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ABex Current Sense Module for Six Channel UUT Supply Monitoring
ABex TM-406 Current Sense
The ABex TM-406 is a six-channel shunt current measurement extension. It’s designed to work in combination with the Konrad ABex TM-501 and PXI-501.Each of the six shunt current measurement units have a passive measurement shunt, an overcurrent protection, a sense bridge relay and the possibility to route the quiescence current to an ABex measurement device TM-501 with PXI-501.In addition, the ABex TM-406 features 8 isolated digital outputs (IDOs), and 12 measurement inputs, which can be routed to the analog bus.
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Impulse Current Measuring Shunts
ICMS
The Impulse Current Measuring Shunts ICMS are new designed tubular shunt types with best response behavior to match the high performance of the TR-AS digital recorder for comparative current measurements. A 1st partial response time less than 10ns and a settling times less than 20ns show the advantage of these shunts. They show no initial overshoot peak, no oscillations and do not need compensation box to optimize the transient behavior as known from e.g. cage shunts.
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DC Energy Meter
Multiple channels can be measured by a single meter, EN2450N & EN2450DDifferential current input for all the current channelsProgrammable shunt secondary 50mV to 100mVProgrammable CT Primary for all channels up to 200A - for Hall Effect CTData logging for parameters such as Energy, Load hours and Ampere hoursEasy installation,Compact size, weight and simple wiring
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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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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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Crossing Control Bypass Switch
XCBS-DL
The XCBS-DL is permanently wired into each crossing warning system, and can be configured with either a removable or non-removable bypass key. Simply connect the track connection harness to the designated track connection terminals. To prevent unnecessary operation of the crossing warning system, insert the key and select "bypass", rotate the knife switch to "bypass" and the crossing is disabled. When in the "bypass" position, a Dummy Track Load is connected to the track wire connections in parallel with the rails and the crossing approaches are shorted, preventing unnecessary activation when track equipment is working in the crossing approach circuit. The opening of one track lead may be desired to prevent unnecessary activation with intermittent shunting on the crossing approaches close to the crossing.
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Reactor Loss Measurement Systems
Measurements International Ltd.
The AccuLoss® SR2020 System by Measurements International emerges as a premium, dependable solution tailored for measuring losses in high-voltage shunt reactors. Specifically engineered to function seamlessly at remarkably low power factors, this system excels in applications demanding extensive scalability. Notably, the AccuLoss® SR2020 System offers two key advantages: unparalleled accuracy and remarkable speed.
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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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4-Ch DPDT 10A-250VAC 24VDC Multiplexer
H62004900
Up to 10A 250Vac 10mOhm Measurement Shunt Controlled via YAV90304 Form F
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Shunts
WSM alternating current measuring resistors have compared with traditional direct current shunt resistors with coaxial voltage tap significantly better high-frequency transmission characteristics. This resulted from a production engineering very complicated structural design of the active part.ISM pulse current measuring resistors allow the metrological recording of the time curve fast current changes large amplitude in the nanosecond range. The ISM are designed for the pulse current measurement with broadband oscilloscopes.
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Multi-Channel Digital Power Meters
66203/66204
Chroma Systems Solutions, Inc.
Voltage Range :15/30/60/150/300/600 VrmsCurrent Range :0.005/0.02/0.05/0.2/0.5/2/5/20 ArmsFrequency Range : DC, 15Hz~10kHzEmbedded high speed DSP, 16 bits Analog/Digital convertersHalf rack size, 4 input modules design (66204)Support different wiring configuration power measurement (1P2W/1P3W/3P3W/3P4W)Support external shunt and CT for higher current measurement application5 mA minimum current range & 0.1mW power resolutionMeets ENERGY STAR / IEC 62301 /ErP measurement requirementsAccumulated energy methods for unstable power measurementUser-define criteria provides automatic PASS/FAIL indicationsDual current shunt design provides high accuracy over a wide current rangeTHD and user-specify order distortion measurementInrush current and energy measurementVoltage/ Current harmonics measurement up to 50 orders
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SparkFun Current Sensor Breakout
INA169
The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a small current based on the measured voltage drop. If you place a resistor from the output of the INA169 to ground, you can measure the voltage at the output.
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DC Electronic Loads
Keysight DC electronic loads provide you with the flexibility to test a wide range of applications from power-supply test to simulation of high-intensity discharge (HID) headlamps. The 16-bit voltage, current and power-measurement system provides both accuracy and convenience, and eliminates the need for a DMM, external shunts and wiring.
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Stand Alone/ Bench Top Load Cell Amplifier/ Conditioner Module
MODEL TMO-2
The TMO-2 Transducer Modules is a complete differential amplifier/signal conditioners with self contained power. The units provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Full scale output is specified at plus or minus 10 VDC. The TMO-2 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability for applications such as weighing scales. The removal of a single capacitor will increase the frequency response DC to 60K Hz for dynamic data applications.
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Current Transformers And Shunts
Current transformers allow the different measuring devices to provide reliable and traceable data on the trends involving consumption and production processes in electrical installations. Especially designed to be installed quickly, easily and securely, meeting the most demanding expectations of today's market, covering a wide range of primary currents as well as multiple secondary outputs, both for AC and DC measurement.
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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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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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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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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.
