Hydrogen Frequency Standards
Microwave Amplification by Stimulated Emission of Radiation
See Also: Frequency Standards, Rubidium Standards, Hydrogen Masers
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Product
Active Differential Probe, 100 kHz to 7 GHz
U1818A
High Frequency Probe
The Keysight U1818A 100 kHz to 7 GHz active differential probe makes it easy to perform high frequency in-circuit measurements using network, spectrum and signal source analyzers. With flat frequency response, low noise floor, and direct power from instrument connection, the U1818A allows measurements to be made while taking full advantage of Keysight's RF analyzers dynamic range.
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Product
Standard 4.47 (127.00) - 12.00 (340.00) High Frequency Probe
K-50H-S
High Frequency Probe
Current Rating (Amps): 6Bandwidth @ -1dB (GHz): 4.00Return Loss @ -20dB (GHz): 2.50Nominal Impedance (Ohms): 50Test Center (mil): 600Test Center (mm): 15.24Full Travel (mil): 100Full Travel (mm): 2.54Recommended Travel (mil): 90Recommended Travel (mm): 2.29Overall Length (mil): 1,205Overall Length (mm): 30.61
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Product
Standard 6.20 (175.20) - 8.00 (226.80) High Frequency Probe
CSP-40A-015
High Frequency Probe
Bandwidth @ -1dB (GHz): 6.00Return Loss @ -20dB (GHz): 2.30Nominal Impedance (Ohms): 50Dielectric VTE Rating (k VAC): 1Test Center (mil): 250Test Center (mm): 6.35Full Travel (mil): 200Full Travel (mm): 5.08Recommended Travel (mil): 133Recommended Travel Remark: Shield: 211 (5.36) including travel of probesOverall Length (mil): 1,231Overall Length (mm): 31.28Full Travel Remark: Shield: 275 (6.99) including travel of probes
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Product
Standard 3.74 (106.00) - 14.35 (407.00) High Frequency Probe
K-50B-QG-75
High Frequency Probe
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): 1,575Overall Length (mm): 40.00
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Product
GPS Time and Frequency Standards
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Our range of GPS disciplined Rubidium Oscillator, OCXO and TCXO, low cost and stable, time and frequency references in a variety of rack mount and desktop sizes to suit all applications. For a technical discussion of GPS go here or select a link below for product information.
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Product
GPS Frequency Standards
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Precision Test Systems manufacturers' a full range of GPS and GNSS frequency standards that are disciplined to most of the worlds satellite systems.
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Product
Frequency Standard Products
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The ES-110 generates a stable source of 10 MHz using GPS (Global Positioning System) satellites as a reference. If frequency distribution is needed, we offer the ES-210, a Quad 1x6 1/5/10 MHz Distribution Amplifier. The ES-210 provides four independent 1x6 Frequency DAs in a single rack-mount enclosure. The ES-410 is a four output version of the ES-110. The ES-410 was introduced and won Radio Magazine's Best of Show Award at the 2016 NAB Show.
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Product
Cold-Atom Frequency Standard
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Rack-mount microwave atomic clock using laser-cooled 87Rb atoms. Production unit target specifications: Allan deviation 2×10-12 @ 1 s, 2×10-14 @ 104 s; flicker floor 1×10-14; absolute accuracy < 1×10-13.
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Product
Benchtop Rubidium Frequency Standard
FS725
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Stanford Research Systems, Inc.
The FS725 integrates a rubidium oscillator (SRS model PRS10), a low-noise AC power supply, and distribution amplifiers in a compact, half-width 2U chassis.
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Product
Hydrogen Sulfide Detectors
INS2-H2S-03
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The professional-grade Hydrogen Sulfide Inspector is the ideal tool for all industrial applications. The Inspector is perfect for people working in refineries to people working in sewage and wastewater treatment facilities. With its advanced sensor technology, the Inspector allows for accurate readings of hydrogen sulfide concentrations. The Industrial Pro is the most advanced Inspector model, and features audio, visual, and vibration alarms.
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Product
Hydrogen Leak Tester
T8999
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T8999 is a tool designed to meet the increasing need for easy and clean identification of the position of the leak on a piece being tested, therefore eliminating the need for methods such as water tank immersion or use of leak detecting sprays, which are harmful for the pieces which could develop rust or pieces that are difficult to accurately clean.
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Product
Hydrogen Storage Analyzer
IMI-HTP
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The IMI-HTP is designed to characterize hydrogen storage materials using Sieverts method up to pressures of 200 bar. High accuracy is ensured by a minimized dead volume, all-metal construction, high thermal stability and accurate pressure measurement. Every IMI-HTP is specified to meet the challenging demands of high pressure H2 operation, with permanent overpressure protection to satisfy the most rigorous safety requirements.
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Product
2210A & 2211A Quartz Frequency Standards
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Precise Time and Frequency, Inc.
The ptf 2210A Quartz Frequency Standard has been designed to provide a highly stable and spectrally pure frequency reference for applications requiring the ultimate in short term frequency performance.The instrument contains a double oven controlled stress compensated (SC cut) quartz crystal oscillator (OCXO) to give the ultimate in performance.Ideal for laboratory or system use, the unit provides good stability performance at lower cost and with improved phase noise.
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Product
Hydrogen Leak Detection System
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Yamaha Fine Technologies Co., Ltd.
Yamaha Fine Tech's proprietary MEMS hydrogen sensor equipped, and a wide range of concentrations, from low to high concentrations, detectable just with one unit.A high resolution hydrogen leak detector that can detect low to high concentrations in the range from 0.5 ppm to 13,000 ppm with a single unit. Quick measurement is realized by high-speed response and real measurement. A desktop type and a handy type are available.
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Product
Hydrogen Sulfide Analyzer(H2S)
AQMS-550
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AQMS-550 is equipped with an internally mounted catalytic converter set at 315°C to convert H2S to SO2. Bypassing the sample through an SO2 scrubber which removes any SO2, the H2S is converted to SO2 using this internal H2S converter and measured using the pulsed fluorescence technique.AQMS-550 H2S analyzer adopts UV fluorescence principle with an internal thermal catalytic converter to measure H2S in ambient air at levels commonly required.
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Product
110 GHz Frequency Extender
N5293AX01
Frequency Extender
The N5293AX01 modules are compact lightweight modules designed to interface to the N5292A test set controller that is driven with a PNA/PNA-X B model vector network analyzer.
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Product
Disciplined Frequency Standard
2975AR
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The 2975AR contains a rubidium timebase and provide one 10 MHz, one 5 MHz and one Signal Generator output. The Signal Generator uses Direct Digital Synthesizer (DDS) technology and is programmable from 100Hz to 50 MHz using front panel controls or from an RS232 serial interface. The 2975AR can be disciplined by a 1pps input signal and provides a 1pps output signal. The 1pps input is typically provided by the GPS Frequency output from a device like a smart GPS receiver or antenna. The Novatech GPS1 Smart Antenna is available as an accessory to provide a complete turnkey solution.
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Product
Counters & Frequency
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NLS panel mount digital counters, frequency meters, and interval timers are available in four case sizes and feature a wide range of functions. These versatile, rugged, and low cost meters find many applications. Features in various meters include highly accurate crystal time base circuitry, counts of up to one million per second, frequencies to 60 MHz, battery back-up and a presettable decimal point. Multiplexed BCD outputs are also available for some meters.
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Product
Disciplined Frequency Standards
2960AR and 2965AR
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The 2960AR has a rubidium timebase and provides two 10MHz and one 5MHz sine wave outputs. The 2965AR has a rubidium timebase and provides one 10MHz, one 5MHz and one signal generator output. The signal generator output uses Direct Digital Synthesizer (DDS) technology and is programmable from 100Hz to 50MHz via an RS232 serial interface. Both models can be disciplined by a 1pps input signal and provide a 1pps output. The 1pps input is typically provided by the GPS Frequency output from a device like a smart GPS receiver or antenna. The Novatech GPS1 Smart Antenna is available as an accessory to provide a complete turnkey solution.
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Product
Frequency Converters
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Analytic Systems' Single and 3-Phase Sine-Wave Converters deliver output power ranging from 250 VA to 5000 VA. Our Frequency Converters also generate nominal output voltages of 115 VAC or 220 VAC, at frequencies of 50, 60 or 400 Hz. A broad range of input voltages are available.
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Product
H₂ Hydrogen Gas Detection
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From hydrogen detection systems to efficient ventilation solutions, our state-of-the-art products provide the tools you need to safeguard your operations and maintain peace of mind.
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Product
Hydrogen Portable Leak Tester
H 6000
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The H 6000, a new comer in the ATEQ range of leak detectors, is one of the finest gas tracer and hydrogen leak detectors on the market today.This gas is less expensive than Helium gas. Furthermore, it's a volatile, non-toxic and nonpoisonous gas without any environmental impact.
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Frequency Synthesizers
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A frequency synthesizer allows the designer to generate a variety of output frequencies as multiples of a single reference frequency. The main application is in generating local oscillator (LO) signals for the up- and down-conversion of RF signals.
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Frequency Extenders
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A frequency extender is an electronic device that allows high-fidelity analog audio to be sent over regular POTS telephone lines, without the loss of higher audio frequencies. It is an extended concept of a telephone hybrid.
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Product
120 GHz Frequency Extender
N5295AX51
Frequency Extender
The N5295AX51 modules are compact lightweight modules designed to interface to the N5292A test set controller that is driven with a PNA/PNA-X B model vector network analyzer.
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Product
Frequency Counters/Timers
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The Tektronix FCA Series frequency counter / timer / analyzer packs the functionality of a frequency counter, frequency meter and timer into one feature-rich instrument. With unprecedented resolution, you can capture very small frequency and time changes. Tektronix frequency counters and timers offer comprehensive analysis modes, including measurement statistics, histograms, and trend plots.
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Product
Digital Frequency Counter
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PGP Electronics Private Limited
PGP Electronics Digital Frequency Counter, model 3503 is a very useful instrument for the measurement of frequency. It employs state of the art micro controller technology to provide accurate measurement. It has a 6 digit auto range display. Further, for easy readability of the units of the measurement, the Hz, KHz and MHz are indicated by LEDs .





























