Loop
See Also: Current Loops, HIL, Loop Testers
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Product
Phase Detectors
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Holzworth Instrumentation, Inc.
These components are targeted for use in phase noise measurement systems and ultra low phase noise phase lock loop designs.
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Product
PCIe-7851, Virtex-5 LX30 FPGA, 750 kS/s Multifunction Reconfigurable I/O Device
781102-01
Multifunction Reconfigurable I/O
Virtex-5 LX30 FPGA, 750 kS/s Multifunction Reconfigurable I/O Device - The PCIe‑7851 features a user-programmable FPGA for high performance onboard processing and direct control over I/O signals for complete flexibility of system timing and synchronization. You can customize these devices with the LabVIEW FPGA Module to develop applications requiring precise timing and control such as hardware‑in‑the‑loop testing, custom protocol communication, sensor simulation, and high-speed control. The PCIe‑7851 features a dedicated A/D converter per channel for independent timing and triggering. This design offers specialized functionality such as multirate sampling and individual channel triggering, which are outside the capabilities of typical DAQ hardware.
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Product
Telemetry Simulators & Test Transmitters
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Command Data Telemetry Simulators offer a dynamic way to create or change a PCM data stream on a word by word basis on the fly. This PCM data stream can be used to modulate an FM or SOQPSK RF output at S-Band or L-Band. In addition to simulating a new telemetry stream, the telemetry simulators can play back and loop an archived data file (which can also be changed on the fly) or create pseudo-random patterns.
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Product
Multifunction Installation Testers
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Shanghai Beha Electronics Co., Ltd.
Loop impedance and prospective short circuit current measurement• Line impedance and prospective short circuit current measurement• Earth loop resistance in TT-systems• Rotary field test• RCD measurements (contact voltage, trip time, trip current - ramp method)• RCD analysis for test of all RCD parameters • Low Ohm and continuity measurement • Insulation measurement up to 1000V (suitable for 690 V industrial mains systems)• Earth resistance measurement with probes and clamp adapters• Voltage and frequency measurement • Current measurement with clamp adapters(optional)• Power and energy measurements• Harmonics measurement for voltage and current upto the 21st harmonics
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Product
Active Loop Antenna
KH30935
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Beijing KeHuan Century EMC Technology Co,.LTD
KH30935 active loop antenna is used for adjusting, testing, measuring and other receivers. It has many advantages:1. The antenna coverage frequency is wide: 150KHz ~ 30MHz .2. The field strength value is measured according to the correction coefficient within the effective frequency range, which is convenient to use.3. The antenna has a small outer diameter and light weight, which is convenient for outdoor measurement.
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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
Celsius Scale Thermometer
300AC
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UEi Test & Measurement Instruments
The 300AC is housed in a protective sleeve that serves as a pocket clip and thermometer stand. Remove the stem from the sleeve to use. The stem can be slipped into the loop (built-into the metal clip) to offer additional support or to insulate the operator from the measured substance. For best results when measuring liquids or permeable solids, insert at least half of the probe stem into the measured substance.
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Product
3U OpenVPX SOSA™-aligned PWM Servo Motor Drive
68PW1
Servo Motor Drive
The 68PW1 is a 3U OpenVPX SOSA™-aligned (basis, Snapshot 2) single-axis PWM servo motor drive that can be configured with closed loop feedback measurement options including Hall, Resolver/Synchro or Encoder. The PWM drive provides programmable PWM output drive (up to 65 V @ 10 A continuous) from a single +28 VDC input source. Ideally suited for rugged Mil-Aero applications, the 68PW1 delivers off-the-shelf solutions that accelerate deployment of SWaP-optimized systems in air, land and sea applications.
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Product
Venable Stability Analysis Software
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In 1983, Venable launched the renowned K-Factor Technique, still in use by many instrument manufacturers today. Venable has elevated the original software with its innovative Stability Analysis program. Go straight from measurement to design using Stability Analysis as its dynamic functionality eliminates lengthy manual value calculations and guesswork. Compensation amplifier synthesis capability, or coefficients for digital power supplies, enables user to achieve exact feedback loop bandwidth and phase margin desired on the first try.
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Product
Signal Isolators & Converters
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Devar current loop signal isolators reduce problems found in field measurements when signal transmitters or converters encounter both input and output signals that may be grounded. Current loop isolators eliminate these ground loops and are available as input loop powered or output loop powered instrumentation.
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Product
PXI Source Measure Unit
Source Measure Unit
PXI Source Measure Units (SMUs) combine high-precision source and measure capability with features designed to reduce test time and increase flexibility. These features include high channel density for building parallel SMU test systems, deterministic hardware sequencing for minimizing software overhead, and high-speed update and sample rates for quickly changing setpoints and acquiring data. Additionally, the flexible sampling rate and streaming capability of PXI SMUs allows you to use the instrument as a digitizer to capture transient behavior, and the digital control loop gives you the ability to adjust the transient response of the instrument. The ability to change the transient behavior of the SMU, called SourceAdapt, reduces SMU settling time and minimizes overshoot and oscillations, even with highly capacitive loads.
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Product
Multifunction Electrical Installations Meter
MPI-520
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The MPI-520 multifunction meter is dedicated to perform diagnosis of electrical installation according to IEC 61557 standards. Digital meter MPI-520 is designed to measure impedance of a short cicuit loop also without triggering RCD, parameters of RCD, insulation resistance, earthing resistance, continuity and also for phase sequence testing. Furthermore to measure and logging of AC voltage and current, frequency and power.Wide range of standard accessories enable to perform all necessary measurements and safety test. Highly professional portable multifunction meter with memory of measured parameters.
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Product
4 High-Voltage/High-Current (External VCC) D/A Outputs
DA5
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Digital-to-Analog (D/A) module DA5 provides 4 independent D/A output channels (half-bridge) utilizing a single external supplied power source with full-scale operating range of 0-65 VDC (V-control mode) and 0-2 A (I-control mode). Alternatively, two channels can be paired (full-bridge) to achieve a full-scale operating range of ±65 V and ±2 A from a single external supplied power source. Linearity/accuracy is ±1% FS range over temperature. The DA5 provides either voltage or current control loop modes, which are programmable for the application.
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Product
Standard Brinell Hardness Tester
BRIN400 Series
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The Standard Brinell Hardness Tester - BRIN400 Series of closed loop Brinell hardness testers represent the latest in Brinell hardness testing technology. They are robust, reliable, proven and designed to meet a customer’s most demanding requirements in harsh industrial environments such as those found in foundries, forges and steelworks.
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Product
NI-9239 , ±10 V, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module
780181-01
Voltage Input Module
±10 V, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module - The NI‑9239 performs differential analog input. With channel‑to‑channel isolation, your entire system, including the device under test, is protected from harmful voltage spikes up to the isolation rating. In addition to safety, isolation eliminates measurement errors caused by ground loops because the front end of the module is floating. Designed for both speed and accuracy, the NI‑9239 is an effective general-purpose analog module because of its resolution, sample rate, and input range.
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Product
PCI-8513, 1‑Port, Software‑Selectable/FD CAN Interface Device
780684-01
CAN Interface
1‑Port, Software‑Selectable/FD CAN Interface Device—The PCI‑8513 is a controller area network (CAN) flexible data-rate (FD) interface for developing applications with the NI‑XNET driver. NI‑XNET software-selectable CAN interfaces offer the best flexibility for CAN development with onboard transceivers for high-speed/FD, low-speed/fault-tolerant, and single-wire CAN as well as any external transceiver. The PCI‑8513 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, 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.
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Product
Solid State Voltage Injector
J2110A
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While it is possible to obtain high quality injection transformers with bandwidths as wide as 1Hz to 5MHz or more, in some cases this is still insufficient for some tests. For example a typical heater control loop might have a bandwidth of less than 1Hz while some linear regulators and opamp circuits can have bandwidths of up to 100MHz or in some cases even higher. For these applications, a solid state injector can provide the necessary bandwidth. A solid state injector can perform at DC, while the upper frequency limit is dictated by the components selected and the printed circuit board material and layout. It is possible to obtain a solid state injector with a working range of DC – 200MHz, though above 50MHz the interconnection between the injector and the circuit being tested can become quite critical. It is essential that ripple from the injector power supply does not dramatically degrade the dynamic range or the signal to noise ratio of the measurement. The resulting plots are often much cleaner when using a solid state injector than with a transformer injector.
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Product
Portable Process & Pressure Instruments
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Time Electronics offer a range of portable process instruments for field and laboratory use. Products include temperature calibrators and simulators for RTD and PT100 applications, and loop instruments for field instrumentation testing of transmitters, transducers and sensors.
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Product
Hall Effect DC Current Sensor
CYHCT-L20K
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ChenYang Technologies GmbH & Co. KG
The sensor CYHCT-L20K is based on open loop principle and designed with a high galvanic isolationbetween primary conductor and secondary circuit. It can be used for measurement of DC current, DCpulse currents etc. The output of the transducer reflects the real wave of the current carrying conductor.
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Product
Surge Tester
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Qingdao AIP Intelligent Instruments Co., Ltd
Surge tester able to test various coils, motor, stator winding, relay/contactor coil, electric magnetic valve coil etc. and can be applied for maintenance, production line, lab and QC etc. Extension: single surge test or multiple tests options.Large storage: up to 1000 test groups can be established.Automatic determine: manual or auto test mode options and test results would be determined automatically.Support both touch screen and numeric keyboard operating.Data analysis: data can be exported in CSV format by USB flash drive.Surge determine items: area, area difference, corona, and phase.100MHz sampling frequency.3KV and 5KV voltage options.Voltage closed loop feedback ensures test precision.User permission management.Support MES connection (manufacturing execution system).
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Product
Counter/Timer Board
MSXB 036
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The MSXB 036 Counter/Timer Board is used for frequency counting, rotational speed (tachometer) measurement, and closed loop process control based on frequency criteria. Engine performance monitoring is a typical application. The Counter/Timer Board provides 16 digital input lines and 16 digital output lines, counts up to 6 MHz on 10 channels, and has two 100 MHz frequency prescalers.
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Product
True-RMS AC Gaussmete
Contacta Loop-FSM
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True-RMS AC Gaussmeter designed to calibrate audio frequency induction loop (AFIL) systems.
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Product
Single Loop Controller
1460
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he 1460 has been designed to provide immediate visibility to the operator. At a glance, the programmable displays will show you the measured variable, the set point and the parameter being edited, the number of cycles or time remaining, the recipe name and number and also whether the cycle is in a ramp or soak mode
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Product
PCI-8512, 1‑Port, High‑Speed/FD CAN Interface Device
780683-01
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
High Current Transformers
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High Current Transformer is designed to elevate and check the temperature of the conductors at high current levels, in order to simulate the current loading conditions found in electrical circuits. High Current Transformer is designed as an open type transformer that uses the test object as its secondary coil or has 1 or 2-turn self secondary winding. The conductors cores' temperature depends on the short-circuit high current caused by the test object. According to the current going through the test object, the test temperature of the conductor will change. The loop temperature is measured by a thermocouple probe which is directly connected to conductor.
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Product
Fibre Channel Test & Simulation Interface for PCI
PCI-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 - Comprehensive decoding of FC-1, FC-2, and Upper Layer Protocol (ULP) frames - 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
Dual Loop Master Controller
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The Xcite System Master Controller provides all dual loop functions needed for accurate closed loop control and display of the static and dynamic test variables, while producing the highest electro-hydraulic frequency response. At the heart of each Xcite System is the Master Controller, a compact electronic control package which provides all of the controls and displays necessary to operate a controlled force or torque exciter system. The Xcite Master Controller is unique in that it provides electro-hydraulic excitation over a broad frequency range, unprecedented by any previous electro-hydraulic excitation system. It achieves its great frequency range through the use of sophisticated circuitry, high voltage inputs to the servovalve and compression control of the dynamic feedback variable in addition to the conventional servo control of the static loop. Static parameters such as force or displacement may be matched with dynamic control variables such as force, displacement, velocity, acceleration or strain for maximum test flexibility.
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Product
CompactPCI
CPCI-ADDA
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The CPCI-ADDA module offers a complete solution forhigh performance data acquisition applications. Boththe ADC’s and the DAC’s use 10 mS converters thatwill support up to 100khz signals. The CPCI-ADDAsupports P.I.D. loop closure frame rates of up to 4 KHzper channel. The CPCI host can download gain andsetpoint changes on the fly. The CPCI host can readback the current values for feedback, error, setpointand output drive on each channel. The local DSPprocessor can be used for data processing such asdigital filters and FFT’s. The DSP can also be used asa waveform generator to drive the 16 bit DAC.
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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
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.
