Frequency References
See Also: References, Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Reference Transmitters, Acoustical References, Solar Reference Cells
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SINE Sinusoidal Single Frequency Gratings
Our SINE Sinusoidal Single Frequency transmittance patterns have proved to be very useful for specialized MTF Measurement as well as for such applications as moirè contouring. They are made on film base material with a nominal thickness of 0.175mm. This material is polyester and tends to be somewhat birefringent. The harmonic modulation values are generally 3% or less.
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Frequency Meters
Passive frequency meters are intended for moderate (±0.05%) accuracy applications in microwave measuring setups. Keysight's meters feature broadband coupling loops that provide flat power transmission off-frequency.
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Ultra-Low Frequency Raman Spectrometer Down to 10 cm-1
Modular TeraHertz Raman Spectrometer
HORIBA’s modular terahertz modular Raman spectrometer extends the spectral range of a measurement to < 10 cm-1. Consisting of an Ondax SureBlock™ module fiber coupled to HORIBA’s iHR320 imaging spectrometer, this custom system provides an affordable option for macro-Raman measurements close to the laser line. Below are Stokes and anti-Stokes spectra of elemental sulfur recorded with this system.
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Reference Grade Expandable Production Interface
Atlas
Atlas and Titan are world class multi-track interfaces offering flexible expansion and unsurpassable sonic clarity. Using the latest generation of Prism Sounds trusted conversion, Atlas provides more preamps than Titan making it suitable for a wider range of recording scenarios.
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High Frequency Current Transformers
Osborne High Frequency Current Transformers operate at frequencies higher than 50/60 Hertz. Their purpose is to reduce high frequency system currents to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified current ratios, and burden impedance at a specified transformation error. One area of unique Osborne expertise is in designing for phase shift when high frequency current transformers are to be used for power measuring applications.
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Three Phase Reference Standard Meter
Signals & Systems India Private Limited
The Three Phase Reference Standard Meter (TPRS-1107) is portable equipment from SANDS. The main objective of this device is to calibrate the errors in three-phase and single-phase energy meters i.e. the meter under test (MUT). The TPRS supports both static and electro-mechanical types of meters. It can also be used to compute the voltage, current, energy, power factor etc of the meter under test. It has an LCD display, an alphanumeric keypad that makes it easy for the user to operate the TPRS. It can be interfaced with the PC for data analysis. It has the capability of storing up to 8000 test results.
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High Frequency Spring Probes
We have spring probes for high frequency for 0.5 and 0.8mm pitch. We provide spring probe with low insertion loss by shorten the total length to 1.5mm (use length 1.1mm).
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Frequency Meter
Reed Type
*Vibrating Reed type frequency meters are available in size 72 x 72 & 96 x 96mm suitable 110V, 230V & 440V AC Operation.*Scale 45-50-55 Hz.*Model : SF-72 ( R ), SF-96 ( R ).
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Frequency Sensor
DARE?s frequency sensors and monitors are available in both AC powered and DC powered models in a wide variety of standard or custom enclosures. Used in aircraft, ground support equipment (GSE), ground power applications, and other military and industrial applications, DARE frequency sensors, monitors, and frequency sensing relays will protect equipment that is sensitive to fluctuations in power line frequency from damage due to over and / or under frequency conditions.
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Motion Reference Units And Wave Sensors
MRU And WS
The Motion Reference Unit (MRU) product line was first released in 2004 when Inertial Labs MEMS-based sensor solutions began to compete in performance with traditional FOG units. Easy integration of the MRU product line for the end user means competitive performance at no extra cost.
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Series Voltage References
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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Frequency Calibrator
VCH-313
The frequency calibrator VCH-313 is designed to determine the frequency error and calibrate frequency standards of various types based on the signals of the NSC SNS GLONASS/GPS .
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COM Express Type 10 Reference Carrier Board
miniBASE-10R
The COM Express approach of custom carrier combined with off the shelf system cores is an excellent solution when you need to customize but lack the time or quantity for a complete redesign. It fits most system integration projects with production volumes from 500 to 10,000 pcs per year. The COM Express concept has a great many advantages over full custom designs, it reduces engineering complexity, lowers the threshold for total project quantity and last but not least brings your product to the market in no time. The average time to design a carrier board is less than half the time of a full custom OEM board.
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High Frequency Infrared Carbon and Sulfur Analyzer
CS-8820
Wuxi Jinyibo Instrument Technology Co., Ltd.
1. Infrared detector with low noise, high sensitivity and high stability. 2. The modular design of the whole machine improves the reliability of the instrument. 3. The electronic balance is automatically connected. 4, WINDOWS full Chinese operation interface, easy to operate, easy to master. 5. Dynamic display of various data and carbon in the analysis process. 6, measuring linear range is wide, and can be expanded. 7, high-frequency circuit design is reasonable, high-frequency furnace power is adjustable, suitable for different material sample analysis requirements. 8. The automatic cleaning device of the burner can reduce the influence of dust on the analysis results. 9. The burner heating device makes the conversion rate of sulfur tend to be consistent, which improves the stability of sulfur determination. 10, measuring linear range is wide, and can be expanded. 11. The software is fully functional, providing more than forty functions such as file help, system monitoring, channel selection, mathematical statistics, result correction, breakpoint correction, and system diagnosis.
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Erbium Fiber Frequency Comb
Detailed description of item: The AOSense frequency comb is a low noise, polarization maintaining (PM) device. Key features include a PM fiber architecture centered at 1550nm with turnkey modelocking; a free-running linewidth of the carrier-envelope offset frequency of <200 kHz; a temperature-insensitive all-fiber f-2f interferometer exhibiting fceo beatnotes with SNR > 45dB (300kHz RBW); and dual fast/slow cavity length actuators with a bandwidth of >300 kHz. The repetition rate of the comb is factory set and allows matching across multiple combs for dual comb applications. The optics package incorporates an optical heterodyne module designed for locking to the comb to an ITU-specified laser reference. The comb is capable of supporting an Allan deviation of < 5 x 10-18 at 1 second and ~10-20 after 105 seconds. Add-on features include all fiber extensions to visible wavelengths corresponding to several atomic transitions. An integrated comb electronics package is currently under development.
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Very High Frequencies Analyzer
VHF104
VHF104 is an innovative Dynamic Mechanical Analyzer that applies a direct experimental method to measure the material viscoelastic properties over a very high frequency range from 100Hz up to 10kHz.
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Series Low Frequency Vibration Sensors
AC136
Low Frequency Accelerometer, Side Exit Connector / Cable, 500 mV/g
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Digital Attenuator Operating Frequency of 1 to 20 GHz
LDA Series
The LDA series of Lab Brick® RF and Microwave Programmable Digital Attenuators includes 50 Ohm and 75 Ohm bidirectional RF step attenuators with calibrated operation up to 20 GHz. These USB powered and controlled units require no additional DC supply voltage. They are easily programmable for fixed attenuation or swept attenuation ramps directly from the included GUI. Lab Brick Digital Attenuator API DLL, Linux drivers and LabVIEW-compatible drivers are also available for custom programming applications.
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ETX® Reference Carrier Board in ATX Form Factor
ETX-Proto
The ETX-Proto is an ETX Reference Carrier Board in standard ATX form factor. Together with the ETX 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. The ETX concept has a great many advantages over full custom designs. It reduces engineering complexity, lowers the threshold for total project quantity and last but not least brings your product to the market in no time.
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Audio Frequency System
Locator Set / UL 30
BAUR Prüf- und Messtechnik GmbH
Cable fault location with the BAUR Locator Set / UL 30. The audio frequency system Locator Set is used to exactly determine the alignment of cables and metal gas or water pipes. With various accessories, this system becomes a universal, indispensable device for power companies, industries, installation companies and water suppliers.* Output energy up to 50 VA* Automatic or manual impedance adjustment* Charging unit and rechargeable battery integrated; battery or mains operation* Continuous or cyclical output
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Digital Instantaneous Frequency Measurement Receivers
DIFM
Mercury Systems offers a range of standard high-performance broadband Digital Instantaneous Frequency Measurement (DIFM) receivers and Digital Frequency Discrimination (DFD), which act as functional building blocks in many military electronic warfare systems. Examples include electronic counter measures (ECM) systems, electronic surveillance measures (ESM) systems and radar warning receivers (RWR).
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Standard 3.74 (106.00) - 14.35 (407.00) High Frequency Probe
K-50L-QG-75R
Nominal Impedance (Ohms): 50Bandwidth @ -1dB (GHz): 12.00Return Loss @ -20dB (GHz): 3.00Test Center (mil): 550Test Center (mm): 13.97Full Travel (mil): 100Full Travel (mm): 2.54Recommended Travel (mil): 67Recommended Travel (mm): 1.70Overall Length (mil): 1,637Overall Length (mm): 41.58
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Reference Antennas
Type NRD
Reference antennas are precision dipole antennas that offer a fixed 2.15 dB of gain over an isotropic antenna along the major lobe axis at specified frequencies (2.15 dBi). They are intended to be used for antenna field pattern and gain measurements, or general RF sensing in the laboratory.
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Reference Meter
SB1300
Shenzhen Star Instrument Co., Ltd.
The SB1300 three-phase multi-function reference meter incorporates 32-bit floating point DSP, wide-range measuring and embedding industrial PC technologies. This model was the first approved by China National Institute of Metrology. Star Instrument has been granted the first manufacturing license for class 0.02 reference meters. Basic measuring range (phase voltage): 1V~480V, current measuring range: 1mA~120A; wide measuring range (phase voltage): 0.1V~1000V, current measuring range: 0.1mA~200A
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GPS Locked Mm-Wave Frequency Meter up to 170 GHz
Elva-1 specially designed GPS synchronized mm-wave frequency meter GPSFC-xx series. This solution allows to provide independent frequency measurement in different laboratories with absolute accuracy.
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1.3GHz Frequency Counter
Model 1122 / 1122X
- Wide Frequency Range 0.2Hz to 1.3GHz- 2 Separate Channels, for LOW & HIGH Frequencies- High Sensitivity- 8 Digit Green LED Display- Microcontroller based Advance Technology- Optional RS232 Interface- Reciprocal Counting Technique for High Resolution at Low Frequency- Period Measurement- Low Pass Filter for Noisy Low Frequency (<100KHz)- 4 Selectable Gates (10ms, 100ms, 1sec, 10sec)
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Frequency Converter
Our frequency converters, which we offer with outputs of up to 500 kVA, can be used to supply alternating current consumers with constant voltages that deviate from the input network.
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Reference plus Comparator or Amplifier
Analog Devices reference plus comparator or amplifier products combine the excellent initial accuracy and low overtemperature drift performance of single function voltage references with comparators, buffer amplifiers, and current sense amplifiers. These products offer compact solutions for a broad range of applications such as battery monitoring, threshold detectors, window comparators, auto power-off circuits, and low dropout (LDO) regulators.
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10 Volt Reference
8110A
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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AC Power Sources, Frequency Converter
MAC-01, -02, -03
For reliability, all models of the Titan AC Power Sources/Frequency Converters are fully current limit protected against either continuous or transient short circuit or overload conditions. When an overcurrent condition exists, the internal current control loop overrides the voltage control loop and scales back the sinewave drive until it sees a safe output current level.
