Loop
See Also: Current Loops, HIL, Loop Testers
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Product
Model QLS 4-20 mA Loop Splitter / Retransmitter
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Generates up to four individually grounded and individually adjustable 4-20 mA loops from a single 4-20 mA or 0-10V input. Overcomes problems which occur when the same 4-20 mA signal is applied to multiple loads in series. Allows outputs to have different grounds, and allows individual loops to be opened without affecting signal to other loads.
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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
PXI 3x3 10GHz Matrix with Loop-Thru
40-787-518-3X3-L
Matrix Switch Module
The 40-787 Microwave BRIC platform is designed to provide a solution for complex RF matrix applications. Using a common mechanical platform the module can be constructed to provide scalable non-blocking or blocking microwave matrix for frequencies to at least 20GHz. The standard configurations provide up to a 4x4 matrix. More complex matrix can be constructed by adding further switching functions and other devices inside the module.
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Product
PXI/PXIe RF Matrix, 16x4, 300 MHz, 50 Ω MS-M Multiway With Loop-thru
42-727A-002-L
Matrix Switch Module
The 40-727A-002-L (PXI) and 42-727A-002-L (PXIe) are 16x4 50 Ω RF matrices with MS-M Multiway connectors and Y-axis loop-thru. The 4x-727A/728A/729A range are high density RF matrix modules suitable for switching up to 300 MHz in 50 Ω or 100 MHz in 75 Ω. They are available in 50 Ω or 75 Ω versions with SMB connectors or in 50 Ω versions with a multiway connector.
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Product
PXI/PXIe RF Matrix, 16x4, 100 MHz, 75 Ω SMB With Loop-thru
40-727A-101-L
Matrix Switch Module
The 40-727A-101-L (PXI) and 42-727A-101-L (PXIe) are 16x4 75 Ω RF matrices with SMB connectors and Y-axis loop-thru. The 4x-727A/728A/729A range are high density RF matrix modules suitable for switching up to 300 MHz in 50 Ω or 100 MHz in 75 Ω. They are available in 50 Ω or 75 Ω versions with SMB connectors or in 50 Ω versions with a multiway connector.
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Product
PCI 8 Form C Relay Output / 8 Isolated Input Digital Interface
8011
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The 8011 digital I/O interface provides 8 optically isolated inputs and 8 Form C relay outputs. The inputs protect the PC and other sensitive equipment from spikes and ground loop current that can be generated in industrial environments, while the outputs provide higher current capabilities (up to 2A) and are optimized for 24V operation.
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Product
LXI Microwave Matrix, 20GHz, Single 4x4, Terminated With Loop-Thru
60-751-144-C
Matrix Switch Module
The 60-751-144-C is a single 4x4 20GHz microwave matrix with internal termination and loop-thru. It is part of the 60-750/751 range of LXI Microwave Switches controlled through an LXI compliant Ethernet connection. It is available in a variety of configurations and frequencies up to 20GHz (60-751). The matrix is characterized for 50 ohm applications, for 75 ohm versions please consult your local sales representative.
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Product
Zahn Viscosity Dip Cups
2210
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The Elcometer 2210 Zahn Dip Cup is a small U-shaped viscosity cup suspended from a looped wire.
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Product
Compression Unit
BK1611
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The BaKo BK1611 is a Compression Unit that uses a real time feedback loop to create a frequency sweep with constant level output. This would normally be used for either research or for calibration rather than product line testing and is useful because of its extreme stability. The BK1611 is not a dedicated system so it can be integrated into a variety of systems to be used for microphones, speakers or vibration motors.
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Product
Test for Model-in-the-Loop and Software-in-the-Loop
RT2
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ETAS RT2 is a powerful test tool for testing of functional models (MiL) and software (SiL). It contains the following parts of the testing lifecycle: modeling, execution, assessment, and reporting. ETAS RT2 is specialized for testing of embedded systems with inputs and outputs of continuous or discrete signals. A model based test design approach enables intuitive realization of complex test strategies. Thanks to its capabilities ETAS RT2 enables comprehensive testing activities in the early phases of the development.
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Product
Data Logging
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The LogTxt macro can be used together with a timer macro in a loop to produce a data log that consists of a timed series of data samples. Each line in the file can be anything you want, typically a time-stamp (including date, if desired) plus one or more values recorded at that time. The interval between samples can typically be from less than a tenth of a second, up to hours or days... or even longer.
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Product
85W - Single Output
iCH Series
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*DOSA Compatible Footprint*4.5-14 Vdc Input*0.7-8.5 Vdc Output*Non-Isolated*Excellent Transient Response*No external loop tuning components needed
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Product
Multifunctional testers
MI 3152 EurotestXC
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MI 3152 EurotestXC is an instrument from the new generation of Metrel’s multifunctional measuring instruments. The already well known functions like complete installation safety testing according to IEC/EN 61557 and AUTO SEQUENCE testing of TN, TT and IT earthing systems are managed by a completely new user interface based on large colour touch screen display. A wide range of functions is included: from on-line voltage monitoring, phase sequence testing, varistor testing, earth resistance measurement, illuminance measurement and TRMS current measurement up to RCD tests, line and loop impedance tests, specific earth resistance measurements as well as ISFL measurements and the IMD tests.
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Product
Earth Ground Tester
1625-2
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The Fluke 1625-2 earth ground tester measures earth ground loop resistances using only clamps, only stakes, or one clamp and stakes. With the stakeless test method, the Fluke 1625-2 is able to measure earth ground loop resistances for multi-grounded systems using only current clamps. This technique eliminates the dangerous, and time consuming job of disconnecting parallel grounds, and finding suitable locations for auxiliary ground stakes.
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Product
Four Channel Digital Lock Controller
Ice Bloc LB-4
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The Ice Bloc LB-4 is a digital lock controller designed for stabilisation of laser systems, containing four PID loops with optional demodulation at loop bandwidths up to 3 MHz. The highly-configurable FPGA-based control algorithm provides flexibility for use with a wide array of applications such as quantum experiments, laser linewidth narrowing, frequency stabilisation, and many more.
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Product
8 Direction Receiving Loops Antenna System
AS-SAL-12/20/30 - Mark II
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The Array Solutions Shared Apex Loop™ Array (AS-SAL-12 Mark II, AS-SAL-20 Mark II, and AS-SAL-30 – Mark II) is an improved version of the new type of receiving antenna that delivers exceptional directivity in a compact package and is useable over a wide range of frequencies without need for adjustment. This array opens the door to a new class of compact, high performance, wideband receiving antennasdeveloped for both amateur and professional users.
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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
Flight Control System Test Platform
Test Platform
The Flight Control System Test Platform provides a hardware in-the-loop (HIL) closed-loop test environment for dynamic and maintenance testing of Flight Control Systems (FCS) of both commercial and military aircraft. The system simulates control surface activities from multiple combinations of rudder, flaps, elevator, aileron, and engine controls to the FCS. The system delivers repeatable, cost-effective testing in a fraction of the time needed with typical in-house simulation test systems.
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Product
Multi Circuit Power Meter (DIN rail)
AEM-DRK
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The AEM-DRK multi-loop power meters are designed for multi-loop power measurement. It has 2 kinds of circuits which are single-phase 21 loops, or three-phase 7 loops. Also, it can be operated with different circuits, and applied on various occasions that will significantly reduce the cost.
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Product
Time Domain Replication (Road Load Simulation)
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The powerful graphical editor makes it easy to review and compile your field sample data for use in the test lab. The point editor, filters, velocity and displacement compensation ensure the test feasibility is evaluated at an early stage. The continuous closed-loop controller then replicates the test files with very high levels of precision. The control algorithms use a continuous coherence averaging technique to ensure a stable proactive control loop that will not only provide accurate replication but will also respond to changes in test item dynamics.
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Product
Micro-Ohmmeter and Loop Resistance Tester
LRT 6000
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LRT 6000: The right solution for impedance resistance measurement in compliance with all aircraft specifications on plane, helicopter, rocket, army vehicles for both production andmaintenance. It is a very easy-to-use and versatile instrument. Its ergonomics allow the user to use it either placed on the ground or across one's shoulder or chest. Awide back-lit LCDdisplay combinedwith an intuitive keyboard ensures simple and easy operation.
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Product
Encoder Testing
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HEIDENHAIN offers testing and inspection devices for the adjustment and fault diagnosis of its encoders. The highly accurate inspection devices are universally deployable, capable of being calibrated and interposed within the closed control loop. The testing devices are primarily used for the functional testing and adjustment of encoders. HEIDENHAIN encoders deliver all of the setup, monitoring, and diagnostic data needed.
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Product
33W - Single Output
iCG Series
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*DOSA Compatible Footprint*2.4-5.5 Vdc, 4.5-14 Vdc Inputs*0.6-3.63 Vdc, 0.7-5.5 Vdc Outputs*Non-Isolated*Excellent Transient Response*LGA or EPC format*No external loop tuning components needed
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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
DDS Phase Locked Loop Synthesizer
DDS Series
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*Connectorized Package *Programmable Frequencies to 1 GHz
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Product
XCITE 1100-5 Inertial Mass Excitation System
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The 1100-5 Inertial Mass Modal Excitation system allows the testing of structures where backup fixturing is not available or possible. Accelerating an internal mass with the closed loop hydraulic excitation system generates the inertial forces. The compression control of the Xcite Master Controller maintains a constant force over a frequency sweep by continuously altering the drive signal to maintain the required dynamic force level.
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Product
Closed-loop Ionizer Controllers For Multichannel Voltage Detection
Novx 3352/3362
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Simco-Ion’s Novx brand of Passive (Model 3352) and Active (Model 3362) Multi-fan Closed-loop Ionizer Controllers provide the capability to simultaneously detect, measure, record and monitor electrostatic voltages in multiple locations. The versatile antennas used with these systems allow their use in a variety of applications including monitoring sensitive workstations, in-tool voltages, or ionizer performance with the option of closed-loop control to select ionizer products.
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Product
LXI 8:1 Optical MUX SC/PC Loop-Thru
60-850-221
Multiplexer Module
The 60-850 and 60-851 are LXI conformant fiber optic multiplexers that use MEMS switching technology to ensure fast and reliable switching of single-mode (60-850) or multi-mode (60-851) optical signals being carried on fiber connections. The 60-850/851 is available with a variety of connector options and in a variety of multiplexer arrangements. Loop-thru versions are also available for easy multiplexer expansion.
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Product
80W - Single Output
iBH Series
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*DOSA Compatible Footprint*3.5-14 Vdc Input*0.7-5.5 Vdc Output*Non-Isolated*Excellent Transient Response*No external loop tuning components needed
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Product
Contact Resistance Tester
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Weshine Electric Manufacturing Co., Ltd
The loop resistance tester is used to test the conductive loop resistance of various switchgear, and the test current shall not be less than 100A. Due to the oxidation of the contact surface, poor contact tightening and other reasons, the contact resistance increases. When a large current flows, the temperature of the contact point increases, which further accelerates the oxidation of the contact surface and further increases the contact resistance.
