Rubidium Frequency Standards
See Also: Rubidium Standards
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Frequency Discriminators & IFM
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PMI offers a full line of RF and Microwave frequency discriminator products that range from a few MHz up to 18.0 GHz. Many options are available. If you do not see exactly what you need, please e-mail your requirement to sales@pmi-rf.com so we can propose an instant solution.
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DC Power Source for Standard Lamp
DC502
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DC502 is CONSTANT CURRENT DC POWER SUPPLY for standard lamp. Function and technical indexes are as follows: • output voltage 4 grades: 6V/12V/24V/50V • output current: DC 0~2.5A (adjustable) • Output current drift at full scale: ±0.05% reading value/10 mins • Monitor range of ampere meter: 0.0000A ~1.9500A, 1.950 A ~2.500A • Accuracy of ampere meter: ± (0.08% reading value + 0.02% full scale) • Max output power: 80W • Continuous working time: 8 hours • Work environment: Temperature 0℃ -25℃, humidity ≤ 85%R.H, supply source: AC220 ±10%, 50/60HZ • Holding conditions: -20~50℃ humidity < 75%R.H • Outside dimension (W×H×D): 333mm×114mm×307mm • Weight: about 8kg • Power: about 1000VA
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The Gold Standard for Breast Screening & Biopsy Training
Mammography QA Solutions
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When the USA mandated Mammography QA requirements via the Mammography Quality Standards Act (MQSA), medical physicists, the ACR and the FDA worked with Gammex to complete the phantom design known today as the 156 Phantom.
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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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Gas Flow Standards
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Fluke Calibration offers molbloc/molbox gas flow calibration systems to calibrate flow meters and controllers over a very wide range of flows. The systems are fast, precise and transportable and can be fully automated using COMPASS for Flow software. molblocs, which are the heart of the measurement system, are mechanically stable, gravimetrically calibrated laminar flow and sonic nozzle elements.
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Frequency Divider
Trig-TekTM 313A
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Divide high frequency to a lower frequency with an exact integer division with 1-digit divisor increments from 1 to 9999
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UL Standards Testing and Certification
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If you are selling your product in the United States, your product must comply with the applicable nationally accepted UL standards. F2 Labs can evaluate and test your product, help you through the UL certification process and enable you to certify your product to the UL requirements through a Nationally Recognized Test Lab (NRTL).
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Standard Test Systems
WaveCore™ Products
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Textron Systems’ WaveCore family offers a variety of standard test systems with a primary application of satellite payload lab testing. Our systems can be deployed affordably for both production and engineering applications, providing industry-leading levels of data correlation with high system mean time between failures and low mean time to repair.
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Radio Frequency (RF) Recording and Playback Instruments
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Adivic Radio Frequency (RF) Recording and Playback Instruments
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High Frequency Insulation Tester
HFIT 7.0
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The MEDTEQ high frequency insulation tester is a popular device for evaluating compliance with IEC 60601-2-2 and the characteristics of insulation at high frequency
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Audio Frequency Output Power Meter
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PGP Electronics Private Limited
PGP Electronics AF Output Power meter, model 3301provides reliable measurement of Audio Frequency Output Power. The audio power output meter, measurable from 0.01mW to 30W in 12 decades with 10 different termination impedances with both balanced and un balanced inputs. The instrument is very useful to conduct students projects, design and test simple sub systems in laboratories. New improved design features provides reliable working even in adverse environments.
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CDPH Standard Method for VOC Emissions
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Underwriters Laboratories Inc.
The Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions From Indoor Sources Using Environmental Chambers, an expanded standard for what is commonly known as California Specification 01350, is one of the most widely used standards to evaluate building and interior products for low chemical emissions.
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Frequency To DC Isolating Transmitter
Model TWF / TWF2
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Kusam Electrical Industries Limited
• Aux. Power AC 85 ~ 265V or DC 85 ~ 300V• High Accuracy 0.1% RO at 23 ° C ± 5 °C• Output User Selectable• PC Plastic Case, DIN Rail or Wall Mounting• High Dielectric Strength (AC 1.5KV/Min, between Input / Output / Power)
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Standard 1.50 (43.00) - 4.00 (114.00) Bead Probe
BTP-25F-4
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Xytronic Three-Phase Reference Standard +/- 0.04%, +/- 0.02%, +/- 0.01%
RADIAN RX-30, RX-31 and RX-33
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Radian Research is committed to providing our customers with leading innovative and technologically superior products, while maintaining metrology capability in power and energy measurement that is surpassed by none. Our engineers drew on the expertise and knowledge we acquired for our industry-leading legacy RM (Metronic) and RD (Dytronic) reference standards to develop the RX (Xytronic), the ultimate in power and energy measurement technology perfection.
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Open Standard Module (OSM)
ROM-2620
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Advantech ROM-2620 OSM 1.1 Computer-on-Module is powered by NXP i.MX 8ULP SoC which includes up to 2 Arm Cortex-A35 cores in combination with one Cortex-M33 real timeprocessor and Vivante GC7000 nanoULTRA/GC328 graphics engine. It provides USB2.0, Fast Ethernet, MIPI-CSI, I2C, SPI, GPIO, PWM and MIPI DSI display for embedded applications
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Optical Frequency Combs
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The Optical Frequency Comb technology is regarded as a breakthrough technology for measurements with highest accuracy. Lowest phase noise, stable supercontinuum, and turn-key operation make the Menlo Optical Frequency Comb solutions unique in accuracy and reliability. According to our principles: The best Optical Frequency Comb for any application.
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Multi-Element Standards
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These multi-element standards consist of multi-layer thin film coatings, one on top of the other, upto a maximum of 6 elemental coatings. It is generally recommended to have coating thicknesses < 20 µg/cm2, so as to cause negligible notable matrix effects, in particular absorption of X-rays emitted in lower deposits by those covering them.
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1231a Very High Frequency Distribution
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Precise Time and Frequency, Inc.
The ptf 1230A(1U)/1231A(2U) GPS L-Band RF Distribution amplifiers provide high performance GPS signal references for laboratory or systems use. In most applications the low noise and signal gain capability of the units will provide userswith a robust GPS signal source for lab or system requirements.The ptf 1230A/1231A uses individually buffered output stages and insures maximum isolation between the individual outputs. The ptf 1231A offers 12 outputs. Options are available for a 2U/3.5” version (ptf 1230A) with 24 outputs.Isolation from output to output is >-40 dB. The input also offers DCV for biasing an active antenna.
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Working Standard Shunts
CSW
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CSW shunts are rated to 100 % continuous current with no loss of accuracy. They are largely immune from connection errors common to many shunts. All CSW shunts include ISO17025 accredited calibration through full current range.
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High Frequency Current Transformer Clamps
HFCT-20HD & HFCT-60HD™
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The HFCT-20HD™ and HFCT-60HD™ are high frequency current transformer sensors designed for partial discharge detection on electric apparatus’ ground returns. Made from superior quality materials, it is designed for any environment.
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Standard 2.40 (68.00) - 6.20 (176.00) Battery Probe
BIP-8
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Current Rating (Amps): 5Average Probe Resistance (mOhm): 30Test Center (mil): 188Test Center (mm): 4.78Full Travel (mil): 90Full Travel (mm): 2.29Recommended Travel (mil): 60Recommended Travel (mm): 1.52Overall Length (mil): 396Overall Length (mm): 10.06
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Standard 0.88 (24.90) - 4.50 (128.00) Switch Probe
SSP-5C
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Current Rating (Amps): 5Average Probe Resistance (mOhm): 50Spring Force Remark: Force at switch point: 2.36 (66)Test Center (mil): 187Test Center (mm): 4.75Full Travel (mil): 150Full Travel (mm): 3.81Recommended Travel (mil): 100Recommended Travel (mm): 2.54Mechanical Life (no of cyles): 100,000Overall Length (mil): 1,210Overall Length (mm): 30.73Switch Point (mil): 25Switch Point (mm): 0.64
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Standard Signal Loop-Powered
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Knick Elektronische Messgeräte GmbH & Co. KG.
Isolation and 1: 1 transmission of 0/4 ... 20 mA current signals without additional auxiliary power. Also for use in hazardous areas. Particularly high reliability and certified functional safety up to SIL 3 / PLe.
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High Frequency Standard Capacitor
GenRad 1403 Series
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The GenRad 1403 Standard Air Capacitors are stable, three-terminal standards in decimal values from 0.001 pF to 1000 pF. For measurement at 100 pF and below, a three terminal connection increases the accuracy by eliminating the uncertainty in the measurement introduced by the capacitances between the capacitor terminals and ground.
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Nanolattice Standards for Analytical Instruments
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The NanoLattice™ (NLSM) 100 nm pitch standard utilizes gratings with near perfect periodicity to calibrate magnification and scan linearity of Electron and Atomic Force Microscopes (AFM). Make the grade, with the highest quality pitch standard of its kind available.
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1229a Frequency Generator
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Precise Time and Frequency, Inc.
The ptf 1229A utilizes the latest technological advances in precision frequency synthesizers to provide a multiple output, wide range, high precision frequency reference instrument, capable of delivering frequencies over the range of 0.1Hz up to 30MHz with a resolution of 0.1 Hz over the full range.The unit includes an external reference input to allow extremely high accuracy outputs at precisely the frequency required, together with a front panel indicator to verify “lock” to the external reference. The standard unit includes two independent frequency outputs of any frequency within the range, and provides both sine and square wave outputs for each frequency.An expansion module gives the capability to increase the number of independent frequency outputs up to a total of four frequencies, with sine and square wave outputs for each, giving a total of eight outputs.
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Standard 0.62 (18.00) - 5.40 (153.00) Probe
LFRE-39I15-5.4
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Current Rating (Amps): 2Average Probe Resistance (mOhm): 50Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 50,000Overall Length (mil): 1,437Overall Length (mm): 36.50
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Spectral Radiance / Luminance Calibration Standards
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Standard lamps calibrated in luminance and spectral radiance. Traceable calibrations in the wavelength range from 250 nm to 2500 nm.





























