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
Shunt Voltage References
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Analog Devices offers a broad line of shunt precision voltage references that combine excellent accuracy and temperature stability with low noise and small packages. These devices operate in a manner that is functionally equivalent to a Zener diode. The bias current must be set higher than the sum of the maximum quiescent current of the voltage reference and the maximum expected load current. Since shunt voltage references are typically biased with a resistor, the voltage reference can operate on a wide range of input voltages.
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Product
Series Voltage References
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Analog Devices offers a broad line of series voltage references with low dropout, low power, and excellent line regulation. These devices are voltage references that are functionally similar to a three-terminal regulator. Some series voltage references are designed to also operate in shunt mode by biasing the output pin and leaving the input pin open circuit. Series mode voltage references have the advantage that they draw only load and quiescent current from the input supply.
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Product
Voltage References
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Renesas' wide selection of voltage reference (Vref) circuits offer accurate and stable reference voltages unaffected by external influences such as variation in temperature, input voltage and time.
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Micropower Voltage References
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Analog Devices offers a broad line precision micropower voltage references with extremely low quiescent currents (series references) or minimum shunt currents (shunt voltage references). All of our precision voltage references offer excellent initial accuracy and low temperature drift over time and temperature. Our Reference Plus products combine precision voltage references with comparators or amplifiers.
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Product
Precision SOT-23 FGA™ Voltage References
X60003
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The X60003 FGA™ voltage references is a very high precision analog voltage reference fabricated in Renesas' proprietary Floating Gate Analog technology, which achieves superior levels of performance when compared to conventional band gap, buried zener or XFET™ technologies.
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Product
Reference Temperature Calibrator
JOFRA™ RTC-187
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AMETEK Sensors, Test & Calibration
RTC-187 provides high-quality temperature measurement from -45 to 180°C. The 180°C is a 25° expansion over the range of the RTC-157, and it’s now the hottest temperature available for a calibrator that also supplies cold temperatures.
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Product
Portable Calibration Baths
6109A / 7109A
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The Fluke Calibration 6109A and 7109A Portable Calibration Baths are liquid baths that let process industry professionals calibrate four times more sanitary sensors per batch in less time and with twice the accuracy of other portable baths in this class. Larger than micro baths, up to four tri-clamp sanitary sensors fit easily into these baths for calibration at ± 0.1 °C temperature display accuracy. Throughput is even higher for sanitary RTDs with small or no flanges. Two bath models cover a wide temperature range: 35 °C to 250 °C for the 6109A and -25 °C to 140 °C for the 7109A. Each model offers a “-P” version that includes process electronics for connecting an external reference probe. Professionals working in clean process industries, including facilities managers, production engineers and calibration technicians, prefer these baths for a variety of reasons.
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Product
Synchro to Digital-Resolver to Digital Converters
SACP-RACP
Digital / Synchro Converter
Computer Conversions Corporation
Computer Conversions Synchro-Resolver to ACP/ARP Converters accept choice of synchro-resolver input options, power input, and mounting configuration, converts synchro/resolver input into ACP (Azimuth Change Pulse) and ARP(Azimuth Reference Pulse) type outputs suitable for 75 ohm drive.
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Product
8 CANBus Channels, CAN 2.0 A/B Protocol
CB1
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The serial bus system with real-time capabilities is the subject of the ISO 11898 International Standard and covers the lowest two layers of the ISO/OSI Reference Model. Our CANBus modules provide independent, isolated channels of CAN serial data bus links, conforming to the ISO 11898 International Standard. All CAN nodes are able to transmit data and several CAN nodes can request the bus simultaneously.
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Product
High Speed Response, High Accuracy DC Leakage Current Sensor
DCZCT-20CDHL
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Low DC current measurements.*DC1mA～200mA*High accuracy.*±1%F.S ±10mV*Least influence of magnetization.*Less than DC1mA in current level*Convenient +5V single polarity power supply.*Reference voltage (Vref) terminal is equipped.
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Product
Balance Thermocouple Power Sensor, DC To 50 GHz
N8487S
Power Sensor
The Keysight N8480S Series Balance Thermocouple Power Sensors are intended to be used as measurement standards for RF power. They are suitable for use in a microcalorimeter-based primary measurement standard and as a secondary or reference measurement standard. The new balance thermocouple power sensors offer a broad frequency range DC up to 18/50 GHz, high maximum input power of +20dBm, fast measurement speed/settling time as well as ease of maintenance.
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COM Express® Type 6 R3.1 Reference Carrier Board In ATX Form Factor
Express-BASE6 R3.1
Computer on Module
Express-BASE6 R3.1 is an ATX COM-Express Type 6 Basic / Compact size module reference carrier board based on PICMG COM-Express Revision 3.1. Together with the COM-Express Type 6 module of your choice and off the shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification.
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Product
Hydrogen Frequency & Time Standard
CH1-1035
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Hydrogen frequency and time standard Ch1-1035 is designed for precision storage and reproduction of the size of frequency and time units as part of measures and reference complexes.
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Product
Safety Test Panel for Mixer
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SCR ELEKTRONIKS introduces Safety Test Panel for Domestic Mixer with PC Datalogging. The tests are Performed as Prescribed in IS the Panel Carries out different tests one by one and provides indication of the Test results as OK or NOT-OK. It is very useful and handy in line testing on Mass production line as well as type Testing. Special fixture can be provided for the specific product. This avoids the connections & disconnections of the product for different tests. The total time for entire testing is less than 20 seconds. Micro controller based sequential timer maintains the sequence of operation and displays the test status. This manual contains information about operating instructions and maintenance of the equipment. Please go through this manual carefully and retain it for future reference.
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Product
COM-HPC Client Type Reference Carrier Board in ATX Form Factor
COM-HPC Client Base
Carrier Board
The COM-HPC Client Base is an ATX size COM-HPC Client Type reference carrier board based on PICMG COM-HPC Revision 1.0. Together with the COM-HPC Client Type module of your choice and off the shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification.
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Product
PXIe-S5090, 9 GHz PXI Vector Network Analyzer
787251-01
Vector Network Analyzer
PXIe, 9 GHz PXI Vector Network Analyzer - The PXIe-S5090 is a 2-port Vector Network Analyzer (VNA) that helps you measure amplitude, phase, and impedance. You also can use the PXIe-S5090 to perform time-domain analysis and to calculate the S-parameters of 2-port RF devices. It features a 300 kHz to 9 GHz frequency range, a wide dynamic range, and high sweep speeds for automated design validation and production test. Additionally, the PXIe-S5090 supports automatic precision calibration, full vector analysis, and reference plane extensions.
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DC Power Supplies
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Is the unidirectional flow or movement of electric charge carriers (which are usually electrons). The intensity of the current can vary with time, but the general direction of movement stays the same at all times. As an adjective, the term DC is used in reference to voltage whose polarity never reverses.
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PMC-Parallel-485
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The PMC compatible PMC-Parallel-485 design adds 32 [RS-485 /RS-422] differential IO lines to one slot of your carrier board. 2 additional differential pairs are available for a clock & clock enable. The signals can be used to capture data with an external reference or programmed to be references for the rest of the system.
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Data Converter ICs
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We offer a complete range of high-performance, low-power,and small-size data converter integrated circuits (ICs) for demanding industrial, automotive and consumer applications. Whether you need an Analog-to-Digital Converter (ADC), Digital-to-Analog Converter (DAC), digital potentiometer, AC and DC power and energy measurement device, voltage reference or a combinationof data converter ICs, we have the right solution for your application and world-class support to make sure you meet your design goals.
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Product
Optical Chopper
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These high stability variable frequency optical choppers each include a set of chemically blackened photoetched chopping discs. The mini chopper is an excellent choice for applications requiring a compact package. The chopping discs come in a variety of slot apertures and allow operation. Beam diameter is limited to 0.75mm when using the 200-slot disc and 1.0mm when using the 40 slot mini disc. The easy-to-interchange blades are made of non-magnetic, half hard brass and can be used in combination. Chopping frequency is set by adjusting a ten-turn dial or by applying an external DC voltage to the BNC input. Reference output is a TTL pulse and is in-phase with chopping action. The 5 digit led display gives a direct read-out of the chopping frequency. Power: 90-130V or 180-260V; 50/60Hz; 12VA max. Power supply included. Choppers are often used together with lock-in amplifiers.
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Light Meters & Sensors
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The light meters and sensors product line at Gamma Scientific is extensive. Find sensors, light meters, photometers, radiometers, reference standard detector systems, and transimpedance amplifiers that meet your testing requirements.
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23KHZ Reference Measurement Microphone
M23R
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The M23R is a precision engineered 23kHz omnidirectional measurement microphone ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required.
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Product
3U OpenVPX High Density Multifunction I/O Board
68CB6
Multifunction I/O
The 68CB6 is a Configurable Open Systems Architecture™ (COSA®) 3U OpenVPX™ board that is preconfigured with 10 different “inboard” I/O, measurement and communication functions. This Combination-function Board (CB) provides a full suite of some of the most common & useful function interfaces supporting many different applications. The 68CB6 features a wide but dedicated selection of functions: Standard Functionality Discrete I/O (DT1); Successive Approximation Register (SAR) ±100 V Analog-to-Digital (AD); Isolated High Voltage Analog-to-Digital (ADF); ±10 V Digital-to-Analog (DA); Thermocouple (TC1) or Resistance Temperature Detector (RT1); Full-bridge Strain Gauge (SG1); Transmission/gear box Chip Detection and Fuzz Burn (CD1); LVDT-to-Digital linear (LD6) displacement (position) measurement, AC Reference Source output (AC2); CAN bus communication (CB8). The 68CB6 offers unparalleled programming flexibility, a wide range of operating characteristics, and a unique design that eliminates the need for external intermediate circuit considerations such as pull-up resistors or mechanical configuration jumpers. Inboard functions are software controlled and memory addressed, accessed in similar COSA® modular fashion to maintain seamless common NAI Software Support Kit & API/library structures.
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OnyxFX FlexorSet 4-Ch 16-bit: 500 MHz A/D & 2 GHz D/A - 3U VPX
Model 5973-324
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- Supports Xilinx Virtex-7 VXT FPGA- GateXpress supports dynamic FPGA reconfiguration across PCIe- Four Channel 500 MHz 16-bit A/Ds- Four Channel 2 GHz 16-bit D/As- 4 GB of DDR3 SDRAM- Sample clock synchronization to an external system reference- PCI Express (Gen. 1, 2 and 3) interface up to x8- User-configurable gigabit serial interface- Optional optical Interface for backplane gigabit serial interboard communication- Optional LVDS connections to the Virtex-7 FPGA for custom I/O- Compatible with several VITA standards including: VITA-46, VITA-48 AND VITA-66.4 and VITA-65 (OpenVPX™ System Specification)- Ruggedized and conduction-cooled versions available- Xilinx Sublicense FAQs - Pentek Sublicensing Agreement for Xilinx JESD204 IP Cores
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Signal Conditioners
General Purpose
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Encore offers a complete line of General Purpose Signal Conditioning instrumentation to meet even the most demanding requirements. Packaged as interchangeable two-channel plug-in modules, Encore’s broad product line includes frequency to voltage converters, strain gage amplifiers, accelerometer conditioners, digital voltmeters and DC power supplies. All of our systems feature a common CAL input on the rear of the rack which allows for calibration of the entire rack. Calibration function varies based on the modules installed. For example, the Model 633 applies a shunt calibration resistor across the bridge, while the Model 149 applies a reference charge source to the input. Contact Encore today and let our team of design engineers help you determine which of our products is best for your application.
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Pinpoint Laser Systems Products
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The Microgage PRO is the next generation in laser measuring and alignment tools. This extremely versatile measuring and alignment tool combines key features and capabilities into one portable, compact, easy to use, product for multiple industries. A precise laser beam forms a straight reference line for a machine or assembly and each receiver measures in two axial directions, horizontal and vertical (X & Y).
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Hydrophones & Transducers
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Teledyne Marine manufactures a broad range of hydrophones. From oceanographic research to monitoring industrial processes, we have a range of hydrophones for reference measurement, reference projectors, passive arrays, positioning systems and tracking systems. And if you cannot find the right hydrophone, we'll work with you to develop a solution that meets your specific needs.
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Data Storage
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Scientific Computing International
Refers to magnetic, optical or mechanical media that records and preserves digital information for ongoing or future operations.
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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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Fully automated Crude and Detergent Fibre analysis
Fibertec™ 8000
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The Fibertec 8000 is a fully automated system for determination of crude fibre, detergent fibre and related parameters according to standard reference 'crucible' methods such as Weende, van Soest and other recognised methods. Approvals for the crucible method include ISO, EEC, AOAC, AOCS. The Fibertec 8000 provides unrivalled accuracy, the highest safety and the lowest operator time of any fibre solution.Parameters: Crude fibre, neutral detergent fibre, acid detergent fibre, acid detergent lignin. Sample types: Raw materials and finished products in Feed and Agriculture.
