References
A source of comparison.
See Also: Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Reference Transmitters, Acoustical References, Frequency References, Solar Reference Cells
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Product
Stationary Test Equipment
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Single- and three-phase, standardized and individual test systems are covering all legal metrological test requirements for simple meters, high precision multifunction meters, smart meters and reference standards. Flexible and modular system components for the optimal customer orientated solution.
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Product
8-Channel 200 MHz A/D with Multiband DDCs, Kintex UltraScale FPGA - 6U VPX
Model 58862
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- Jade Xilinx Kintex UltraScale FPGA Products and Navigator Design Suite Software Video- Jade Xilinx Kintex UltraScale FPGA Family Brochure- Complete radar and software radio interface solution- Supports Xilinx Kintex UltraScale FPGAs- Eight 200 MHz 16-bit A/Ds- Eight multiband DDCs (digital downconverters)- 10 GB of DDR4 SDRAM- Sample clock synchronization to an external system reference- LVPECL clock/sync bus for multimodule synchronization- PCI Express (Gen. 1, 2, & 3) interface up to x8- Optional LVDS connections to the FPGA for custom I/O- Ruggedized and conduction-cooled version available- Synchronize up to eight modules with Model 7893 System Synchronization and Distribution Amplifier - PCIe
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Product
2-Channel 200 MHz A/D with 766 DDCs, Kintex UltraScale FPGA - XMC
Model 71865
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- Jade Xilinx Kintex UltraScale FPGA Products and Navigator Design Suite Software Video- Jade Xilinx Kintex UltraScale FPGA Family Brochure- Complete software radio receiver solution for extremely high-channel-count applications- Uses Xilinx Kintex UltraScale KU035 FPGAs- Two 200 MHz 16-bit A/Ds- Four wideband DDCs (digital downconverters)- Up to 762 narrowband DDCs- Sample clock generation and synchronization to an external system reference- PCI Express (Gen. 1, 2 & 3) interface up to x8- VITA 42.0 XMC compatible with switched fabric interfaces- Ruggedized and conduction-cooled versions available- Synchronize up to eight modules with Model 7893 System Synchronization and Distribution Amplifier - PCIe
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Product
Radiation Detectors
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A radiation detector is a device for measuring nuclear, electromagnetic or light radiation. A nuclear radiation detector identifies nuclear radiation by measuring the emission of ionizing radiation of alpha particles, beta particles and gamma rays. Also referred to as a geiger counter, a nuclear radiation detector consists of two main elements: the processing electronics and the geiger tube. The geiger tube is filled with low-pressure inert gas like helium, argon or neon. If radioactive radiation occurs, the inert gas is ionized. An anode within the geiger tube registers the quantity of ionized particles numerically correlating with the strength of the radioactive radiation. The radioactivity measurement is then displayed on the LCD screen of the geiger counter or nuclear radiation detector.
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Product
LabVIEW Communications Application Frameworks
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The Application Frameworks are software reference designs that provide a rich set of high performance FPGA IP for prototyping real-time wireless communication systems. When combined with NI’s line of software defined radios, the Application Frameworks form a complete hardware and software prototyping platform that enables researchers to accelerate their prototyping efforts and achieve results quickly.
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Product
SP-20 Spectral Photosynthetic Radiometer
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Hangzhou Everfine Photo-E-Info Co., LTD
SP-20 test speeds up to milliseconds. It realizes the measurement functions of spectral power distribution, photosynthetic radiation parameter, optical quantum parameter, photo-electrical parameter, and it also realizes the quantity conversion between the three measurement systems. Refer to DLC, ASABE, DIN, GB, CQC, CSA and other international plant lighting standards.
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Product
FPGA Mezzanine Card
FMC150
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The FMC150 is a dual channel ADC and dual channel DAC FMC daughter card. The card provides two 14-bit A/D channels and two 16-bit D/A channels which can be clocked by an internal clock source (optionally locked to an external reference) or an externally supplied sample clock. In addition there is one trigger input for customized sampling control.
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Product
Reference Transmitter
81491A
Transmitter
Keysight's 81491A Reference Transmitter is designed to offer excellent eye quality for NRZ and PAM4 signals at baud-rates up to 32Gbaud and can serve as universal E/O converter. It comes in Multimode (MM) and Single-Mode (SM) flavors and includes internal lasers at 850nm (MM) or 1310&1550nm (SM). External optical input for usage with tunable laser sources is available for SM option. It is fully integrated into Keysight’s Optical Receiver Stress Test solutions to address test requirements of IEEE 802.3 10,40,100 and 400GBASE optical standards.
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Product
Type X2 double-shielded GPIB cable, 6 m
763061-06
GPIB Cable
24-Pin Male/Female GPIB to 24-Pin Male/Female GPIB, Stackable, Double-Shielded GPIB Cable - The 24M/F-24M/F X2 Cable, sometimes referred to as an X2 cable, connects your system to GPIB devices or interfaces for instrument control. The 24M/F-24M/F X2 Cable has 24-pin IEEE 488 male and female connectors, and the cable is double shielded with shielded plug/receptacles. The 24M/F-24M/F X2 Cable is also offered in different lengths.
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Product
Frequency Response Analyzers
350C Series
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Venable Model 350c is the 3 channel successor to the original workhorse Model 350a/b that launched in 1986 and established Venable Instruments as a market leader. The contemporary 350c Series incorporates a 3rd channel, allowing the user to measure more transfer functions simultaneously with one sweep, such as source and load impedance. The 350c is the only frequency response analyzer in the industry that can measure absolute phase, using a reference channel.
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Product
Standard Pattern Generator Board
BL-PG315-01
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The MicroImage PG315 pattern generator is designed for simple size and geometry reference applications. The PG315 will overlay one of five standard patterns including a centered cross line, a centered cross hair, a centered target style symbol, a dot grid (cross dot) array, a hatch grid (crosshatch) array.
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Product
UV/VIS/NIR Spectrophotometer Calibration Standards
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As the world's foremost spectrophotometer reference standard manufacturer, we have a dedicated staff and years of experience to back up our products. Our solid state UV/VIS/NIR reference standards are the most stable on the market and remain in spec long after many other manufacturer's standards go bad. Relying on our proprietary nano-deposition technology, you can rest assured that our solid-state standards will produce steady readings for years to come on your machines.
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Product
4-Ch 1.25 GHz, 16-bit D/A with DUC, Extended Interpolation, Virtex-6 - 6U VPX
Model 57671
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- Complete radar and software radio interface solution- Supports Xilinx Virtex-6 LXT and SXT FPGAs- Four 1.25 GHz 16-bit D/As- Four digital upconverters- Extended interpolation range from 2x to 1,048,576x- Programmable output levels- 250 MHz max. output bandwidth- 2 GB of DDR3 SDRAM- PCI Express (Gen. 1 & 2) interface up to x8- Sample clock synchronization to an external system reference- Dual µSync clock/sync bus for multiboard synchronization- Optional user-configurable gigabit serial interface- Optional LVDS connections to the Virtex-6 FPGA for custom I/O- Ruggedized and conduction-cooled versions available- Synchronize up to twelve modules with Model 9192 System Synchronization and Distribution Amplifier- 1U Rack-mount
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Product
10 Volt Reference
8110A
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Measurements International Ltd.
8110A 10 volt reference, Industry Leading Stability, Built-in reversing switch for + 10 V, – 10 V, 30 Days: ± 0.25 µV/V, 90 Days: ± 0.75 µV/V, 1 Year: ± 1.5 µV/V, Built-in battery backup.
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Product
CABLE ASSY, Type SH100-100-FLEX, 2 m
185095-02
Multifunction Cable
The SH100M-100M Flex Cable, sometimes referred to as SH100-100-F, connects NI digital I/O devices to 100-pin accessories with D-SUB connectors. The SH100M-100M Flex Cable is offered in different lengths.
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Product
GPS Frequency Reference
E8000
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The Quartzlock E8000 GPS Frequency Reference is a breakthrough in exceptionally low cost, traceable, 1-U rack mount, calibration-free, off-air frequency & time standards. These very low cost references maintain the high frequency & time accuracy required for demanding applications. Ultra low noise option are available.
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Product
Brake Fluid Boiling Point Tester With Bluetooth Printer
6513D
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Peaceful Thriving Enterprise Co Ltd
This tester can measure the boil point of the brake fluid. It can obtain the wet boiling temperature of the brake fluid for technician as a reference for maintenance. It can be the reference when technician is going to change the brake fluid.The testing data print by Bluetooth printer.
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Product
CompactFlash Cards
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Curtiss-Wright Defense Solutions
Our CompactFlash cards are removable mass storage devices that are rugged for use in our recorder products. The recorder controls data storage to the CompactFlash card. Card data is read and erased using a standard CompactFlash card readers. For information on card initialization, recording and playback refer to the respective recorder data sheet.
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Product
RS232 Straight-Through Cable, DB-9 Female to DB-9 Male, 2m
183045-02
Serial Cable
9-Pin Female DB-9 to 9-Pin Male DB-9 GPIB Serial Cable - The 9F-9M S10 Serial Cable, sometimes referred to as GPIB S10 Cable, connects and controls GPIB devices using the RS232 serial port. The 9F-9M S10 Serial Cable is offered in different lengths.
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Product
Digital to Synchro and Digital to Resolver Converters
Digital / Synchro Converter
Computer Conversions Corporation
1.2VA, 1.5VA, 4.5VA and 5VA Models60 or 400, & 60 and 400 Hz. Models to 22 KHz.Trouble Free Isolated Reference Inputs & Signal OutputsUltra High Efficiency, Low DistortionSelf Powered off the AC Reference Input (DSP Series)Internal Cool AC-Pulsating Supplies (DSP Series)Very Low Loss & Heat DissipationFULLY INTEGRATED, NO EXTERNAL COMPONENTS REQUIREDVery High Resistance to Shock and VibrationHigh Reliability Throughout ImplementationIsolated, Transient, Therrnally & Short Circuit Protected Outputs
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Product
Phase Locked Oscillators
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Phase locked oscillators (PLO) utilize state-of-the-art planar circuits, three-terminal devices and dielectric resonator technology to generate high-quality microwave signals at lower frequencies. Frequency multipliers, amplifiers and filters are used to extend the low frequencies for higher frequency requirements. The standard offering covers the frequency range of 2 to 110 GHz and provides both internal and external reference options. The frequency stability and phase noise are dependent on the oscillator reference type.
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Product
Meter test station
TS23
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Calmet Smart Calibration Devices
Three phase reference standard of accuracy 0.02% (or 0.04%). It makes possible electricity meters testing on the site or in the laboratory up to 3x120A/600V
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Product
Receiver-Synchronizer
VCH-311C
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The receiver-synchronizer VCH-311C is intended for use in synchronization networks as a primary reference source of highly stable synchronization signals of the first level of the hierarchy, periodically corrected in frequency according to the exact time signals (time scale) of the NKA KNS GLNASS / GPS
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Product
Bench Meters
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Both CyberScan Economy and Deluxe Bench Meters feature custom dual-display LCD for optimised data viewing, convenient detachable electrode stand, built-in memory, quick reference slide-out instruction card, HOLD function and other intelligent features.
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Product
High Frequency RF and Microwave USB Programmable Signal Generators
LMS Series
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The Lab Brick LMS series of high frequency RF and microwave USB-compatible, synthesized signal generators cover a frequency range from 0.5 MHz - 20 GHz with low noise, fast 100-microsecond switching time, and fine 100 Hz frequency resolution. They require no additional DC supply voltage and offer advanced features such as phase-continuous linear-frequency sweeping, internal/external 10 MHz reference, and optional pulse modulation. GUI software can track and control several connected signal generators, simplifying multiple-signal test setups. Each device stores settings in internal memory, allowing it to power up in a specific instrument state.
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Product
8-Channel A/D & D/A Zynq UltraScale+ RFSoC Gen 3 Processor - PCIe
Model 7053
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- Supports Xilinx® Zynq® UltraScale+" RFSoC FPGA- 16 GB of DDR4 SDRAM- On-board GPS receiver- PCI Express (Gen. 1, 2, and 3) interface up to x8- LVDS connections to the Zynq UltraScale+ FPGA for custom I/O- Optional front panel dual optical MPO interface for gigabit serial communication- Unique QuartzXM eXpress Module enables migration to other form factors- Navigator BSP® for software development- Navigator FDK® for custom IP development- Free lifetime applications support- Pentek's Quartz Family of Xilinx Zynq UltraScale+ RFSoC FPGA Products Video- Live Signal Acquisition Video: Quartz Model 5950 and Model 6001 RFSoC boards- Pipeline Newsletter: Strategies for Deploying Xilinx's Zync UltraScale+ RFSoC- Synchronize up to eight modules with Model 5903 High-Speed System Synchronization and Distribution Amplifier - 3U VPX- Please refer to the product datasheet for Installed FPGA IP Module details
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Product
Aircraft and Truck Scale Calibrator
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Morehouse Instrument Company Inc.
Aircraft and truck scale calibration often requires special adapters to simulate a tire. Scales come in a variety of sizes and have specific tolerances. Many other calibration laboratories do not use the right adapters or consider the impact of the uncertainty of the reference standard used for calibration.
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Product
Crossed-Roller Bearing Linear Stage 25mm Travel,Sensitivity 2um
KSM25(A)-65
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Model:KSM25(A)-65 Crossed-Roller Bearing Linear Stage 25mm Travel,Sensitivity 2um Details&Spec: Please refer to KSM25(A)-65 Specification,It is combinated by 2pcs KSM25(A)-65 (C,SR,SL).
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Product
General Performance Differential Pressure Transducers
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These general performance Baratron® differential capacitance manometers measure the difference in pressure between the inlet tube and the reference cavity. The reference cavity can be connected to any pressure or vacuum source, or be open to local atmosphere.





























