Loop
See Also: Current Loops, HIL, Loop Testers
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Product
- RS-232 to Current Loop Converter
Model 65A
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FEATURES: Active/Passive Loops; 20 or 60 mA. Operation; DC To 19.2 KBPS; Half/Full Duplex; Optically Isolated; DTE/DCE Selectable. The Model 65A is a small, versatile, RS-232 to Current Loop Converters for use with teletypes or computers providing local terminal input via a 20mA. (or 60 ma.) current loop. The Model 65 includes a wall mounted transformer and internal power supply circuitry.
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Product
Electromagnetic
Promis 10
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The Promis device is a multi-frequency, multi-spacing 3 component slingram type EM System for sounding and profiling the soil. This system features a transmitter loop to produce a primary magnetic field that will induce eddy current in conductive materials. These eddy currents will generate a secondary magnetic field that will be measured with the receiver loop. This system measures the in-phase and the out-of-phase components of the secondary magnetic field.
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Product
PXI-8512, 2-Port, High-Speed, Flexible Data Rate PXI CAN Interface Module
780687-02
CAN Interface
2-Port, High-Speed, Flexible Data Rate PXI CAN Interface Module—The PXI‑8512 is a high-speed Controller Area Network (CAN) Flexible Data-rate (FD) interface for developing applications with the NI‑XNET driver. The PXI‑8512 excels in applications requiring real-time, high-speed manipulation of hundreds of CAN frames and signals, such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The NI‑XNET device-driven DMA engine enables the onboard processor to move CAN frames and signals between the interface and the user program without CPU interrupts, minimize message latency and freeing host processor time for processing complex models and applications.
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Product
MULTI-STANDARD LOCAL LOOP SIMULATOR
458-LM-A8-30
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Accurately simulates attenuation and impedanceFull bidirectional operation at all specified frequencies26 AWG PIC as specified in ANSI T1.417
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Product
HI-Q® OPTO-ELECTRONIC OSCILLATORS
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Opto-Electronic Oscillators (OEOs) produce spectrally-pure microwave and mm-wave signals using an opto-electronic feedback loop. The versatile scheme allows utilization of optical components for low loss and small size. It is also inherently less sensitive to vibration and acceleration and provides the same low-spectral purity at all RF frequencies (microwave to mm).
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Product
Industrial Accelerometers
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Metra Mess- und Frequenztechnik in Radebeul e.K.
These piezoelectric vibration transducers have been designed for application under rough environmental conditions. They are dust and water protected. Their mounting base is insulated to avoid ground loops which may cause errors, particularly, close to big machinery.
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Product
Loop Meters
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The CM-1TB + XL-1 are modern digital current loop-powered meters that convert standard loop current to engineering units. They feature high accuracy and a large 0.6-inch LCD display. Proven reliability combined with low cost has earned these meters world-wide acceptance, with thousands in use.
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Product
Zirconia Oxygen Sensors
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PST offer a range of zirconia oxygen sensors that use a unique closed loop measurement system.The sensing technology and stainless-steel construction allow Zirconia oxygen sensors to be used in environments where extreme pressure, temperature and high humidity are present.
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Product
Carrier to Noise Generators
CNG-DX
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Hollis Electronics Company LLC
CNG-DX provides improved noise generation with its internal digital power meter and built-in noise generator. This single instrument provides accurate and repetitive carrier-to-noise setting ability in one box. The CNG-DX is an ideal instrument for creating realistic scenarios for closed loop testing of satellites, ground equipment and mobile transceivers.
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Product
Earth Resistance Testers
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Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster.
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Product
Antenna, Loop
EM-6871 | 30 Hz – 1 MHz
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The EM-6871 Antenna can be used with any 50 ohm /Receiver/Field Strength Meter to obtain magnetic field measurements from 30 Hz to 1 MHz.
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Product
PXI Analog Output/Current Loop Simulator Module - 8 Channel
41-765-003
Analog Output Module
The 41/43-765-003 is an 8-channel Analog Output Module designed to meet the requirements of industrial control applications utilizing current loops 4 – 20mA. It consists of up to four 16-bit, digital-to-analogue converters (DAC), capable of creating four current outputs each. Output current within 0mA - 4mA and 20mA - 24mA, give the ability to simulate error or extra signaling conditions. The ±24mA mode gives the ability to simulate either sourcing or sinking sensor.
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Product
FD-11603, 8-Channel, ±10 V Voltage Input Device for FieldDAQ
785639-01
Voltage Input Module
The FD-11603 can measure up to eight channels with a voltage input range of ±10 V. It features 24-bit resolution with simultaneous sample rates up to 100 kS/s. The FD-11603 offers channel-to-channel isolation, which eliminates noise from ground loops and protects instrumentation circuitry from high-transient voltages. The FD-11603 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 g vibration. The FD-11603 incorporates Time Sensitive Networking (TSN) and features an integrated network switch and built-in power circuitry for simple daisy chaining. You program the FD-11603 with NI-DAQmx, which automatically synchronizes multiple FieldDAQ™ devices. The FD-11603 is ideal for test cell and outdoor environments.
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Product
Group3 controllers
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The Group3 controllers - the CNA and DNA - have a built-in PID algorithm, that allows them to perform local closed loop control. A controller, combined with a Group3 analog Hall probe forms a compact, inexpensive way to implement closed loop magnet control.
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Product
RS-232 and RS-562 Transceivers
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Analog Devices offers single, dual, and combination transceivers of up to five RS-232/RS-562 drivers and receivers for 1.8 V to 5.5 V power supplies. Data terminal equipment (DTE) or data communications equipment (DCE) configurations are also available in 3.3 V or 5 V versions. Galvanically isolated modules break ground loops and provide a convenient, self-powered, isolated, low EMI solution that drastically reduces component count and design complexity.
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Product
Phasemeter
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Moku:Phasemeter is based on a digital phase-locked loop architecture and can track the phase, frequency and amplitude of two signals from 1 kHz to 200 MHz. Measure phase changes of less than a millidegree with a sensitivity of better than 100 nanocycles/√Hz. Record frequency fluctuations with zero dead time.
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Product
Temperature compensated crystal oscillator
TCXO
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A TCXO (Temperature compensated crystal oscillator) is a crystal oscillator with a temperature-sensitive reactance circuit in its oscillation loop to compensate the frequency-temperature characteristics inherent to the crystal unit. Epson's are classified into two types. One is a Direct-Type TCXOwith a temperature compensation circuit built into the oscillation loop. The other is an Indirect-Type TCXO with a temperature compensation circuit outside the oscillation loop, in which the oscillation frequency is therefore indirectly controlled.
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Product
64-Channel 250kSa/s USB Modular Multifunction Data Acquisition
U2355A
Data Acquisition Module
The U2355A offers multifunction capabilities in a module. It can be used like a digital multimeter in polling mode. It can be transformed to be a simple scope using the continuous mode with simple triggering capabilities. No matter if it is used as a standalone module or when plugged into a U2781A USB modular instrument chassis, the synchronization and triggering capabilities allow great flexibility in making the desired measurements. With the analog output being able to send out predefined or arbitrary waveforms make this a good tool when closed loop feedback or stimulus is required. The digital IO channels allows for closed loop control through connections to switches, relays and solenoids. The burst mode enables the U2351A to simulate simultaneous analog input acquisition.
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Product
4-20 mA Loop Powered Two Wire Oxygen Transmitter
OxyTrans
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The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument.
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Product
On-Stream Analyzer
Boxray 24
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For many concentrator plants. The on-stream analyzer Boxray 24 consists of a carousel equipped with 24 measurement cells. This enables a single analyzer to monitor multiple sample streams and process steps, from ore to concentrate and tailings. As each stream has its own loop and measurement cell, there is no risk that samples will be contaminated by other streams, which can corrupt analysis results.
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Product
PCI-8512, 2-Port, High‑Speed/FD CAN Interface Device
780683-02
CAN Interface
The PCI‑8512 is a high-speed controller area network (CAN) flexible data-rate (FD) interface for developing applications with the NI‑XNET driver. The PCI‑8512 excels in applications requiring real‑time, high‑speed manipulation of hundreds of CAN frames and signals such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The NI‑XNET device-driven DMA engine enables the onboard processor to move CAN frames and signals between the interface and the user program without CPU interrupts, minimizing message latency and freeing host processor time for processing complex models and applications.
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Product
PCI-7813, 3M Gate Virtex-II FPGA, Digital Reconfigurable I/O Device
779370-01
Digital I/O Module
The PCI‑7813 is a reconfigurable I/O (RIO) device that features a user-programmable FPGA for onboard processing and flexible I/O operation. With LabVIEW FPGA, you can individually configure the digital lines as inputs, outputs, counter/timers, PWM, encoder inputs, or specialized communication protocols. You can also program custom onboard decision making that executes with hardware-timed speed and reliability. The PCI‑7813 is well-suited for a wide variety of applications, such as high-speed waveform generation, sensor simulation, hardware-in‑the‑loop (HIL) test, custom communications protocols, bit error rate test, and other applications that require precise timing and control.
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Product
1.25GS/s 16Bit 1GS Mem 12CH Arbitrary Waveform Generator
P12812B
Waveform Generator
The Proteus P12812B, is a 1.25GS/s, twelve channel arbitrary waveform generator packaged in a 4U, 19” standalone box with a 9” touch screen and on board PC , offering technologically advanced options and configurations that integrate the ability to transmit, receive and perform digital signal processing all in a single instrument. The P12812B offers industry leading performance Including an innovative task oriented programming, real time data streaming, fast feedback loop for environment dependent waveform generation and user customizable FPGA for application specific solutions.
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Product
Digital Timing and Waveform Controller
Ice Bloc DCS
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Ice Bloc DCS is a highly versatile sequencing system with multiple high-speed digital I/O, analogue outputs and a four-channel digital synthesiser. The DCS sports both single-shot, burst and infinite loop sequence capability. Designed to handle the demands of experimental control required for cold atom experiments, its compact form factor with customisable software interface allows easy integration with your experiments .
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Product
Fibre Channel XMC Interface Module
XMC-FC4
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Avionics Interface Technologies
Supports Point-to-Point, Switched Fabric, and Arbitrated Loop topologies - Two independent Fibre Channel ports - Two SFP sockets accept fiber or copper transceivers - Each port supports 1, 2, and 4 Gbps speeds - Supports DMA for high speed streaming of data to/from the board - Full Error Injection and Detection - IRIG-B Time Code Encoder/Decoder for Data Correlation - In-line Port Configuration for Transparent AnalyzerSupports multiple ULPs including FC-AE-ASM, FC-AE-RDMA, FC-AE-1553, and FC-AV - Compatible with AIT’s fcXplorer GUI Bus Analyzer Software
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Product
PXI-2720, 8-Bit, 10-Channel PXI Programmable Resistor Module
781985-20
Programmable Resistor Module
8-Bit, 10-Channel PXI Programmable Resistor Module—The PXI‑2720 is a test module that replicates the behavior of resistance-based inputs and outputs such as potentiometers, resistance temperature detectors (RTDs), voltage dividers, and bridge elements. The PXI‑2720 programmatically controls a series of relays to vary the resistance across each channel of an I/O connector. This function is well suited for simulating environmental conditions in hardware‑in‑the‑loop (HIL) validation. The software provides a simple user interface that accepts inputs in units of temperature or resistance and configures the resistance across each channel.
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Product
Distribution Amplifier
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AVLINK TECHNIC TAIWAN CO., LTD.
Is a device that accepts a single input signal and provides this same signal to multiple isolated outputs.These devices are important because they allow a signal to be distributed to multiple destinations without ground loops or signal degradation. They are used for a number of common engineering tasks, including multiple amplification, cable television, splitting monitor and front of house mixes, and "tapping" a signal prior to sending it through effects units to preserve a "dry" signal for later experimentation.
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Product
Antenna, Loop
EM-6879 | 10 KHz – 30 MHz
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The EM-6879 Loop Antenna is used for magnetic field measurements over the frequency range of 10 kHz to 30 MHz. The EM-6879 is designed for use with any 50 ohm Receiver System. The antenna has a balanced Faraday shield that reduces its response to electric fields to a vanishingly small amount so that it can produce a practically pure magnetic field response.
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Product
15GHz Frequency Synthesizer
5015
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The Valon 5015 frequency synthesizer uses multiple phase lock loops to provide exceptionally low phase noise over the 10MHz to 15GHz range. The multiple loop technique also greatly reduced spurs while providing high resolution tuning precision. Calibrated output power may be accurately set from +13dBm down to -30dBm in 0.1dB steps.
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Product
64-Channel 500kSa/s USB Modular Multifunction Data Acquisition
U2356A
Data Acquisition Module
The U2356A offers multifunction capabilities in a module. It can be used like a digital multimeter in polling mode. It can be transformed to be a simple scope using the continuous mode with simple triggering capabilities. No matter if it is used as a standalone module or when plugged into a U2781A USB modular instrument chassis, the synchronization and triggering capabilities allow great flexibility in making the desired measurements. With the analog output being able to send out predefined or arbitrary waveforms make this a good tool when closed loop feedback or stimulus is required. The digital IO channels allows for closed loop control through connections to switches, relays and solenoids. The burst mode enables the U2356A to simulate simultaneous analog input acquisition.
