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Current Sensors
detect AC or DC electrical current.
See Also: Current Probes, SQUID, Voltage Sensors, Rogowski
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Sensors
Kaman Precision Products, Inc.
Kaman specializes in inductive, eddy current technology. Our sensors provide non-contact indication of linear position/displacement by outputting an analog voltage, or, in some cases, a current that is proportional to the distance between the sensor face and the target being sensed.
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RS-232 to RS-422/RS-485 Converter
ND-6520
ADLINK's NuDAM data acquisition modules make up a total acquisition network and control system. Up to 256 NuDAM modules an be romotely controlled on any RS-485 network from a host computer, via a single serial RS-232, allowing communication from as far as 4000 feet from the host. Based on the RS-485 multi-drop network system, each module has a unique address ID, whereby simple ASCII command & response protocols through the standard RS-485 interface can control all the NuDAM modules in the RS-485 network. The NuDAM modules provide direct communications with a wide variety of sensors, perform all signal conditioning, scaling, linearization and conversion, and can acquire measurements of temperature, pressure, flow, voltage, current, and multiple digital signal types.
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Water Conductivity Sensors
Water conductivity sensors are used in water-quality applications to measure how well a solution conducts an electrical current. This type of measurement assesses the concentration of ions in the solution. The more ions that are in the solution, the higher the conductivity.
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Multi Circuit Leakage Current Monitor
MCM-8000
By connecting optional CT sensors, the instrument can measure and memorize leakage current of 8 circuits at the same time and the memorized data can be seen even during measurement.
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Voltage logger0 to 2.5V
TK-4703
Supplied with an input cable, this logger can measure voltages up to 2.5V DC and can be connected to many industry standard devices, such as CO2 sensors and current clamps, enabling the logging of a wide range of process parameters.The unit is particularly useful when space is at a premium.
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Real-Time Online Monitoring to Detect and Analyze Potential Partial Discharge (PD) Signals and Insulation Faults using UHF, AE, and HFCT
PDMonitor
Power Monitoring and Diagnostic Technology Ltd.
The PDMonitor, which utilizes Ultra High Frequency (UHF), Acoustic Emission (AE) and High Frequency Current Transformer (HFCT) sensors and is designed to conduct real time online monitoring to detect and analyze potential Partial Discharge (PD) signals and insulation faults before they lead to breakdown or catastrophic failure in power assets. The system provides the developing trend of the PD, when occurring, as alarms in real time, thus helping to predict the insulation degradation status of the asset, prevent sudden accidents, and provide an effective database for Condition-Based Maintenance (CBM) of power assets.
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Infrared Moisture Analyzer
LD-LIMA-A10
Infrared Moisture AnalyzerLD-LIMA-A10is an online, fast, continuous measurement and non-contact measurement device with measurement distance range of 20 to 40 cm. It provides automated control and 4 to 20 mA current signal. This IR Moisture Analyzer emits different wavelengths of infrared light (4, 6, 8, 10 beam) to calculate the moisture content of the measured object. Designed with long-life high-speed brushless motor, imported high response infrared sensors, information processing chip FPGA + DSP + ARM9 combination, to attain real time data, improved stability and precision.
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Eddy Current Test System
CIRCOGRAPH® Product Family
Foerster Instruments, Incorporated
The CIRCOGRAPH eddy current test system with rotating probes guarantees maximum detection sensitivity for exposed longitudinal surface defects on bright material. The test system is primarily used for wire drawing machines, Cu tube rewinders, and finishing sections in the bright steel sector. The individually tailored test systems by FOERSTER can be fitted with rotating sensors or CIRCOSCAN rotating discs. They scan flat and profiled material, e.g. when testing rails and billets.
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Combination Board Tester
Qmax Test Technologies Pvt. Ltd.
Combination Board Tester capable of testing highly complex and dense PCBs employing various test techniques on a single platform. It can perform Board Level Functional Test through edge connectors of a PCB, and guided probe diagnostics utility to reliably repair Digital/Analog and Mixed Signal PCBs of various complexities and conventional PCBs. An In –Circuit device test by configuring Pin Drivers to High Current Pin Driver mode and interface to the UUT either through Clips / Probes or nail bed and on board clock disable HW feature are the all time favorite . The in-built high frequency 14bit Analog Driver / sensors synchronized with digital drivers for covering analog / mixed signal devices with high degree of accuracy.
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PIR Motion Sensors
EKMB (WL) Series
Panasonic Industrial Devices Sales Company of America
Panasonic EKMB Series PIR Motion Sensors are suitable for low current consumption for battery-driven applications. Reduces current consumption (1, 2, or 6μA) with featured special circuit design technology allowing longer battery life.
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Current & Voltage Sources for Calibration of Measuring Systems and Sensors
ChenYang Technologies GmbH & Co. KG
*DC/AC Current: 0-60A *DC/AC voltage: 0-1000V frequency 50Hz, 60Hz, 400Hz, 1kHz
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Potentiostat Galvanostat
VersaSTAT 4
The improved low current performance with fA resolution and pA accuracy addresses current sensitive applications such as sensors, corrosion, inhibitors, and combined with the optional FRA, coating technologies. The additional analog filtering makes the VersaSTAT 4 an even better choice for low-current applications while the additional bandwidth filtering adds extra stability for capacitive cells. The VersaSTAT 4, with its additional capabilities, makes an exciting addition to our VersaSTAT family making them even more of an exceptional value for all of your application needs.
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Analog Temperature Sensors
Analog Devices analog temperature sensors provide current or voltage output proportional to the absolute temperature with accuracies of up to ±1°C. Our diverse range of analog output temperatures sensors can be used in a broad range of applications with no need for external calibration, and with minimal signal conditioning/conversion circuitry. To better suit your varied design needs, our portfolio of temperature sensors are available in multiple package options.
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Weather Resistant Surge Protector for RS485 Control & 12VDC Power Lines
SP-RS485-12V-O
Ideal for applications such as video surveillance cameras and access control. Protects sensors running on 22 AWG 2-wire sensor cables or 12VDC power lines against the effects of electrostatic discharge, faulty wiring and lightning. RS485 protection: Stage 1 clamping voltage: ±90V; Stage 2 resistance: 3.3 Ohms; Stage 3 clamping voltage: ±7.5V. 12VDC power lines protection: Stage 1 clamping voltage: ±90V; Stage 2 current rating: 3A; Stage 3: 12V TVS (transient voltage suppression) diode. Screw terminal pairs for RS485 and 12VDC power lines protection. Will also protect two single ended data, analog or control lines. Impact and weather resistant enclosure with locking hinged cover.
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Low Input Bias Current Op Amps (≤100 pA)
Low input bias current op amps are required whenever the difference of currents or voltage is small and needs to be measured accurately. These op amps are used so that the signal is not loaded down by the input of the op amps. Low input bias current op amps are critical for interfacing sensors in applications from photodiodes, pH meters, or other electrometer related functions to downstream electronics. Analog Devices has many precision op amps that fit the definition and range of these applications.
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Converter Of Electrical Quantities
The converters are intended for the conversion of electrical quantities DC signal which is either in form of the DC voltage, or the DC forced current. They can be used in connection with indicating pointer instruments, calibrated in units of the measured quantity, or with a recorder or, eventually with a digital instrument. Wide range of possibilities are provided by them, also as sensors for regulation and control porposes in the fields of industrial measurements and, last but not least, as needful components for aquisition of technological enviroment picture applied for evaluating and processing computer systems. The converters are designed for continuous operation. They are designed as independent, built in the plastic casing. Each converter comprises the input circuits for the galvanic separation of the proper measuring circuit and the output amplifier for the output signal conversion to the unified output.
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Industrial Current Sensors
RCT
Power Electronic Measurments Ltd
The RCT range of AC current transducers are designed for permanent or semi-permanent installation and are available with industry standard outputs.
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Digital Signal Processor
CHAMP-XD2M
Curtiss-Wright Defense Solutions
Imaging sensors, RADAR, and SIGINT provide an overwhelming amount of data that needs to be stored before it can even be processed, but current solutions offer far from enough memory to store it. By providing more memory capacity on a single board, systems can remain SWaP-C optimized and data can be connected and processed with ease.
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Current Clamps and Transducers
High-accuracy Current Sensors and TransducersHigh-accuracy sensors for AC/DC current measurement and power analysis. From current clamps to high-precision zero flux current transducers and Rogowsky coils.
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Eddy Current Probes and Drivers
Proximity sensors work on the eddy current principle. A proximity system consists of an eddy current probe, extension cable and driver. A high-frequency RF signal is generated by the driver, sent through the extension and probe cables and radiated from the probe tip. The tip consists of a precision wound copper coil inside a chemical and temperature resistant PEEK case.
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Opto-Isolated Current Loop Signal
4029
SPECTEC Innovative Sensor Solutions
SPECTEC's Model 4029 digital opto-isolated current loop signal conditioner prevents ground loops and interrupts any galvanic signals riding on magnetic speed sensor's output signal.. This signal conditioner converts magnetic, variable reluctance and inductive sensors' sinusoidal signals into a 4-20 mA output suitable for interfacing with process control units, dataloggers, flow controllers, and computers.
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Current Probes | Current Sensors
Sensitivity of Conventional Probes Deliver Precise Measurement of Low Current Waveforms from 1 mA. High-precision Current Sensors, DC to 4 MHz, DC to 20 kHz, up to 50 kHz and load current sensors,
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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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RS-422/RS-485 Repeater
ND-6510
ADLINK's NuDAM data acquisition modules make up a total acquisition network and control system. Up to 256 NuDAM modules an be romotely controlled on any RS-485 network from a host computer, via a single serial RS-232, allowing communication from as far as 4000 feet from the host. Based on the RS-485 multi-drop network system, each module has a unique address ID, whereby simple ASCII command & response protocols through the standard RS-485 interface can control all the NuDAM modules in the RS-485 network. The NuDAM modules provide direct communications with a wide variety of sensors, perform all signal conditioning, scaling, linearization and conversion, and can acquire measurements of temperature, pressure, flow, voltage, current, and multiple digital signal types.
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Software
Electrochemistry Tests
Materials Development Corporation
CyclicVoltammetry and Galvanostatic Charging are tests used throughout the industrial and scientific communities to study chemical reactions and behavior of electronic structures. They are extremely helpful in the monitoring of nano based dielectrics, used in super /ultra capacitors or self-assembled monolayers (SAMs). The Cyclic Voltammetry test applies a ramping voltage to a device and measures the resulting current. In acapacitor-like structure the current reveals loss in the dielectric as well as degradation over time. CyclicVoltammetry is used to characterize the performance of supercapacitors and ultracapacitors formed using various nano-technologies. It is also useful in the studies of self-assembled monolayers used for sensors.
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Power Cell Power Transducers for Wide Ranging AC/DC Loads
PH-3A and PH-1000
You can know the load on an electric motor by measuring the electric current going to the motor (Amps). But, this is not the best way to do it since a lightly-loaded motor doesn't use the electricity very efficiently. (In technical terms, the power factor is low.)A better way to know the load is to measure the motor power. (Power is measured in Horsepower or Watts.) Motor power gives you a straight line so it works well even when the motor is lightly loaded.The Power Sensors that we make measure the motor load (Horsepower or Watts) and send a signal to meters or computers. The operator can see what the status is on the meter or, the computer can make decisions.
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sbRIO-9219, Non-Enclosed, 100 S/s/channel, 4-Channel C Series Universal Analog Input Module
781027-01
Non-Enclosed, 100 S/s/channel, 4-Channel C Series Universal Analog Input Module - The sbRIO‑9219 is designed for multipurpose testing. With the sbRIO‑9219, you can measure signals from sensors such as strain gages, resistance temperature detectors (RTDs), thermocouples, load cells, and other powered sensors, as well as make quarter-bridge, half-bridge, and full-bridge current measurements, with built-in voltage and current excitation. Each channel is individually selectable, so you can perform a different measurement type on each channel. Non-enclosed modules are designed for OEM applications.
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OEM Current Input0 to 20mA
TGPR-0800
A current input data logger that is supplied uncased so that it can be built into custom applications.The TGPR-0800 can be used to record the output from a number of industry standard 4-20mA sensors. Common applications include pressure and flow rate monitoring.
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12-bit, 200KHz, 8SE/4DIFF Isolated AI, 4 12-bit AO, 8 Optically Isolated Dig. I/O, 24V, 24 TTL I/O
APCI-3110-8
The APCI-3110 is a 12-bit multifunction board for 3.3 V and 5 V PCI systems, with optical isolation up to 1000 V and a high throughput rate of 200 kHz. The PCI board has additional types of conversion: Sequence RAM, Auto Refresh, scan, timer or external event.Furthermore, the board has a PCI DMA, 2 watchdogs, 4 digital inputs and 4 digital outputs. Sensors, which allow to supply current signals instead of voltage signals, also can be acquired with the APCI-3110, as this board offers up to 16 current inputs. The board is protected against overvoltage and input filter and it is protected against high frequency emmission. With the free calibration tool you can do the fine adjustment on-site.
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Sensor Unit for High Precision Current Sensors
CT9557
Hioki pull-through current sensors and clamp on current probes are best-in-class current sensing devices for use with power meters, Memory HiCorders and high performance oscilloscopes. The CT9555 is 4-channel sensor unit and power adapter for any of the CT686x series, 9709 and CT684x series current sensors and probes that provides waveform and RMS output.
