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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48-Channel High Performance Strain Gauge Measurement Instrument
EX1629
48-Channel High Performance Strain Gauge Measurement InstrumentSupports quarter-bridge (120, 350Ω or user defined), half-bridge or full-bridge24-bit ADCs, sampling rates up to 25 kSa/sBuilt in programmable differential excitation -8V to 8VBuilt in selectable bridge completionConfigure signal conditioning excitation and bridge completion on a per channel basisSimple, low-cost wiring using RJ-45 telecom connectorsSupports TEDS for easy transducer detection and setupRJ-45 input connector reduces setup cost and timeBuilt in self-calibration and shunt calibrationSupports voltage, ratiometric and linear measurements other than strain measurements.
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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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Current Shunt Module
CURS100
The CURS100 converts a current signal output by a sensor or output device (e.g., 4 to 20 mA) to a voltage that can be measured by a datalogger. The 100 ohm resistor used for the current shunt allows currents up to 25 mA to be read on a 2500 mV range (CR10, CR10X, CR510, CR500) and currents up to 50 mA to be read on a 5000 mV range (CR23X, 21X, CR7, CR5000, CR9000, CR9000X).
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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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Rad-Hard Analog ICs
ST's wide range of rad-hard QML-V qualified analog ICs covers analog-to-digital converters (ADC) and digital-to-analog converters (DAC) for telemetry, instrumentation and imaging applications. Our portfolio also includes rad-hard op amps, high-speed differential amplifiers up to 1 GHz, shunt voltage references and comparators to ensure a complete solution for signal conditioning, referencing and data conversion.
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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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Multiphase Power Analyzer
2800 Series
The Valhalla Scientific 2800 High-Precision Power Analyzer is available in 1-, 2-, 3-, 4-, 5-, or 6-phase versions. All voltage inputs 0.3V up to 1500V peak and all current inputs 1.5mA up to 1A; 15mA up to 5A; 1A up to 40A; and shunt inputs 60mV up to 6V are potentially free and exhibit low noise, high common mode suppression, excellent DC-stability, wide frequency range (DC-2MHz) and very low self-heating on current inputs.There is no need to fiddle with DC-compensation, or changing current plugging. All is built into the input sections of the power analyzer, ready for measurements. It is simple to use, your intuition will guide you to operate the Power Analyzer touch screen correctly.
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High Impedance Active Probes
12C
A high speed, high input impedance active probe for measuring the internal node voltage of integrated circuits. The input is 1 megohm shunted by 0.1 pf and the rise/fall times are 0.8 ns. This instrument has full dc capability and can be used with any oscilloscope. The Model 12C was specially designed so that when used in conjunction with a high input impedance oscilloscope, signal attenuation is 10:1 and with a 50 Ohm input, signal attenuation is 20:1.
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High-Frequency Probe, 300 kHz to 3 GHz
85024A
85024A high-frequency probe makes it easy to perform in-circuit measurements. An input capacitance of only 0.7 pF shunted by 1 megohm of resistance permits high frequency probing without adversely loading the circuit under test. Excellent frequency response and unity gain guarantee high accuracy in swept measurements with this probe. High probe sensitivity and low distortion levels allow measurements to be made while taking advantage of the full dynamic range of RF analyzers.
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Precision AC/DC Current Shunt
1625A
The BLI 1625A is a multiranging, high accuracy, active current shunt, for use in making NIST traceable measurements of currents from 10 microamperes to 100 Amperes. Very high measurement stability has been achieved in our shunt design by using special alloys, compensated by a proprietary Ballantine process to minimize temperature coefficient effects.
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10 Digit Rate/Batch Counter (Analogue)
CS2-TM-Analogue
The CS2-TM Totalizer controller provide high accuracy measurement, display, control and communication (Modbus RTU mode) of 0~10V/4~20mA from flow meter or mV from Shunt for Amp-Hour.There are two display screen and 3 external control input (DI) in standard and the optional 4 Relay, 1 Analogue, 1 Pulse and RS485 port available. They are also support fantastic control function as like as N, R, C mode for totalizer and batch control.
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Life Cyclic Durability Testing
Environment Associates can provide everything you need for cyclic durability testing and performance fixturing. Services include mechanical cycling to a position or load, fatigue cycling to a fixed load, rotational torque cycling, and simple push/pull cycling. EA can design your fixture with electro-dynamic, air, or hydraulic assistance to mechanically move your part. All of our fixtures can be manufactured to withstand a wide range of temperature, humidity and vibration inputs. If required, forces can be monitored electronically, using a wide variety of inputs (i.e. strain gages, load cells, rotational transducers, thermocouples, shunts, and more). EA can create holding and check fixtures to perform “pre” and “post” evaluation for dimensional issues that may occur during testing. EA can provide fixtures for single tests run internally for EA test labs and can manufacture fixtures to be purchased directly by the customer for their internal use.
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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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Shunt Regulators
These are the standard reference voltage source widely used by the feedback circuits of switching power supplies. Compared to the Zener diode, which is a discrete product, a shunt regulator has much better voltage precision because voltage control is carried out as an IC.
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Current Sensing
voltage-output, current-sensing amplifier family that integrates an internal shunt resistor to enable high-accuracy current measurements at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high-side current-shunt monitor that allows an external reference to be used to measure current flowing in both directions through the internal current-sensing resistor sensor. The integration of the precision current-sensing resistor provides calibration equivalent measurement accuracy with ultra-low temperature drift performance and ensures an optimized Kelvin layout for the sensing resistor is always obtained.
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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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High Current Calibrator
MC151
MC151 Current calibrator is an accurate current source capable of 120 A. Typical uses include calibration of current sensors, current probes, current transformers, shunts, ammeters, DMMs or as stable current source for test and development applications. The calibrator is equipped with a built-in multimeter that can be used for simulation of programmable transconductance or current amplifier.
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Wide Angle Scale Instrument
LS-96
Standard Electric Works Co., Ltd
● For ranges higher than 20A DC, use external shunt with a 50mV DC Ammeter.● For ranges higher than 300V DC, use external Volt Divider with a 1mA Voltmeter.● For ranges higher than 5A AC, use external Current Transformer with a 5A AC Ammeter. ● For ranges higher than 600V AC, use external Potential Transformer with a 150V AC Voltmeter.● Full Scale Deflection : 250° ● Accuracy : Class 1.5● Composition : Glass window, ABS resin frame and case, PC glass fiber base mounting fittings included.● Color : Black base and frame, white scale plate and meter body.● Pointer : Stick shape in black color.
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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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High Impedance Active Probes
34A
Engineered to meet the stringent demands of advanced high frequency circuit designers. This high impedance probe combines full DC capability, rise/fall times of 120 ps, and a nominal loading input impedance of 10 megohm shunted by 0.1 pf. Signal attenuation is 20:1 with a 50 ohm oscilloscope input.
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Ungrouped
Weshine Electric Manufacturing Co., Ltd
The instrument can measure single capacitor of single phase or three-phase shunt capacitor bank without removing wires.2. The instrument has the functions of inductance, resistance and current measurement.3. The instrument has two power supply modes: External AC220 V and built-in lithium battery meet various application scenarios.
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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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LV Iron Core Shunt Reactors
Iron core Shunt Reactors act as an absorber of reactive power to increase energy efficiency of the power system. Shunt Reactors are used in order to compensate capacitive reactive power generated by long and lightly loaded transmission lines as well as underground cables, thus allowing the flow of more active power through the system and avoiding over voltages. Shunt Reactors can be directly connected to the power line or to a tertiary winding of a three-winding power or distribution transformer.
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High Power Precision Shunt Resistor
HPS
*Up to 250W on heat sink*Max. current limit 387AExcellent long term stability & short term stability*Low temperature coefficient of resistance (TCR)*High current sensing & reference restores in laboratories*Change - discharge test equipment for high capacity batteries*Current sources & laboratory power supplies
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High Power Shunt Resistors
CS227
The CS227 is a metal foil, SOT227 resistor designed to give a high current capability. The metal foil element is situated on an insulated heatsink composed of plated copper. This assembly is then mounted into a durable plastic housing and sealed with high temperature epoxy.
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Resistance Calibration
Process Instruments maintains fractional part-per-million accuracy with a state of the art resistance calibration facility. Specialized services include precision resistor manufacture, resistor and shunt repair, characterization of alpha and beta temperature coefficients and the determination of barometric effects on resistance values.
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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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Precision Shunt Resistors
PBV, PBH
High power low resistance values and high precision. Low temperature coefficient. Excellent load life stability. Excellent short time over load. Ideal for current sensing applications.
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Shunt: ACQ-200
BWB
*Constant Current up to 100 amps *Four Terminal Configuration*Excellent Long Term Stability*Max. Solder Temperature up to 350C/30 sec*RoHS and REACH Certified*AEC-Q200 Qualified
