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Frequency Counters
measure frequency by comparing the signal to the counter's time base oscillator.
See Also: Universal Counters, Time Interval Counters
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Frequency Counters
Frequency Counters measure frequency, period, time interval, pulse width, duty cycle, frequency ratio, phase, and more. Frequency counter products include options that are compatible with Astronics/Racal VXI-2461C, which can be used for automated test aerospace and defense applications.
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Frequency Counters
Handheld and bench-top frequency counters up to 6GHz Universal counters with VLF capability and pulse measurement and totalizing in addition to frequency/period.
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Universal Frequency Counters
GT210PXI-2
GuideTech’s GT210PXI-2 3U form factor, meets industrial standard chassis with an expandable platform, achieving optimal test system with optimal cost. The ability to precisely resolve frequency and time yields both increased accuracy as well as reduced measurement time.
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Frequency Counters
-Frequency Range : 0.2Hz to 5.5GHz Built-in CMOS Gate Array Fast, High-Resolution, 10 Digits Green LED Display Microprocessor Controlled Reciprocal Technique for Low Frequency Resolution Self Diagnosis Routine Total, RPM Function, Period Low Pass Filter(100KHz, -3dB) Rs-232c Interface(Option)
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Time Interval Counter PXI Card
GTX2200 Series
The GTX22x0 family of PXI universal time interval counters offer many of the measurement and timing functions of high-end stand-alone frequency counters, including accumulate, auto ratio, frequency, fast frequency (GTX2220 and GTX2230 only), period, ratio, single period, test clock, time interval, time interval delay, totalize, totalize gated, totalize gated once, & pulse width.
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Mini Receiver
FB7-NX
In about 1935, the National Radio Company of Malden, Mass., brought out a “hot” high frequency receiver, called the FB7, and the subsequent FB-7X. It featured a super-hetrodyne design with plug-in coils that gave it a broad frequency range. The “X” model also incorporated a crystal filter in the intermediate frequency section, thus giving it additional selectivity. The receiver was viewed by radio amateurs as a technological breakthrough, and it was also used commercially for point to point high frequency communications. As the receiver did not have an internal RF amplifier section, a separately tunable RF amplifier was later provided in a separate enclosure for additional performance capabilities. Now, National RF, Inc., is resurrecting the fabled receiver name with an all solid-state, hot mini receiver, which also utilizes plug-in coils to cover the HF spectrum. The mini-receiver is designed for use by radio amateurs as well as serious short-wave listeners, and allows reception of AM, CW, and SSB signals. It incorporates a super-hetrodyne design with a dual gate FET built-in RF preamplifier and a ceramic filter for selectivity, often required when used in a crowded amateur radio band. In addition, the receiver has a buffered rear panel output of the high frequency oscillator for use with either a frequency counter for exact receive frequency display, or for interface with an outboard transmitter. A rear panel jack is also provided for muting the receiver when a transmitter is placed into the transmit mode. And, the receiver is small enough to fit into carry-on luggage and taken on trips when it is desired to “keep an ear” on amateur radio or other high frequency activity. The receiver utilizes rear panel plug-in coil assemblies which contain the RF amplifier, mixer, and oscillator tuned circuits. Each plug-in coil assembly also comes with a separate dial scale, which is inserted onto the front panel for displaying the tuned frequency. A very smooth 6 to 1 planetary drive is used for tuning the receiver. Other front panel controls include RF preamplifier peak, volume control, Beat Frequency Oscillator adjustment, and RF gain control. Other switches include filter bandwidth, AM/CW/SSB selection, Power, and a general coverage/band spread control for certain plug-in assemblies. The receiver is intended to drive head-phones via a rear panel jack, but has sufficient output to drive a small external speaker.
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InfiniiVision Oscilloscopes
3000T X-Series
100 MHz - 1 GHz, DSO and MSO models Speed testing with simplified operation and documentation enabled by the 8.5-inch capacitive touch screen Isolate signals in seconds with exclusive Zone Touch Triggering See the most signal detail with 1,000,000 wfms/s update rateQuickly modulate and characterize signals with built-in WaveGen 20 MHz ARB, 3-digit voltmeter and 8-digit frequency counter & totalizer options Decode serial busses faster with hardware-based serial analysis options Protect your investment with full upgradeability
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Frequency Counter Series
FCA3000/3100
Offering up to 20 GHz measurements, the Tektronix FCA3000 and FCA3100 Frequency Counter Series pack many different functions into one feature-rich instrument. With unprecedented resolution, you can capture very small frequency and time changes. And with the industry's most comprehensive analysis modes, including measurement statistics, histograms, and trend plots, you have the tools you need to quickly and accurately analyze your signal.
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Function Generators
PGP Electronics Private Limited
PGP Electronics Function Generators are a reliable source for different waveforms. Two units, function generator and frequency counter are integrated in to one unit. The built-in frequency counter can also be used to measure the external frequency.
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Function Generators
Waveform : Sine, Triangle, Square, Pulse, Sawtooth, Ramp 0.2Hz-150MHz EXT Frequency Counter(Option : 1:6 GHz or 2.7GHz) Self made insert ASIC Function : Total, RPM, Period, LPF, COUPL(AC/DC), ATT(X10) Fast,High-Resolution, 8Digits LED display Internal or External AM,FM Modulation Internal or External Burst and Linear Sweep Countrol from 1 : 1 to 100:1 TTL/CMOS Leveled Square Wave Output Maximum Attenuation of 20 dB cna be obtained Output impedance : 50 INPUT SENSITMTYKHz Range : 100mVms, MHz Range : 300mVms SWEEP WIDTH : Variable from 1:1 -100:1 RATE : 0.5Hz - 50Hz(20ms-2s) INTERNAL : Linear Bilt-in 5digits Green LED display
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HF Frequency Counter LXI, GPIB/IEEE48
53210A
For fast and accurate frequency and time-interval measurements, you need reliable devices in research and development. The Keysight 53210A HF frequency counter meets the requirements with its high accuracy, bandwidth and speed. Depending on the application and budget, choose one of the three available models. The connection to the PC is via USB, Ethernet/LXI or via GPIB.
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Frequency Counter with Rubidium Timebase
SR625
Stanford Research Systems, Inc.
The SR625 Frequency Counter is a NIST traceable frequency counting standard for calibarating base stations, transmitters and many other types of communication systems.
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Digital Multimeter
6420 DM
Standard Electric Works Co., Ltd
● 4000 counts LCD with a maximum display of 3999.● Angled display design helps the user to identify the reading of value easier.● Auto ranging designed.● Bar graph LCD display.● Range change function.● Relative/Maximum/Minimum modes.● Peak hold mode.● VAHz mode measures frequency in voltage or current mode.● 40M Hz frequency counter.● Auto Power off.● Continuity check.● Data hold function.● Low battery indication.● Over range indication.● Fuse protection.● Special hook design used to hang the meter for ease of use.
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Counters & Frequency
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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Power Limiters
Keysight's power limiters provide the best broadband input protection from excess RF power, DC transients and ESD, for a variety of RF and microwave instruments and components. For example, the input circuitry of spectrum analyzers, network analyzers, frequency counters or amplifiers can be protected from unintentional inputs up to 5 watts average power. At even greater power levels, failure mode for the limiter is either an open circuit or a short circuit to ground, thereby protecting the instrument from damage.
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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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In-Circuit Testing and Test Engineering
5184 Test NodesHPUX or Windows60 Mhz ASRU Frequency Counter, Timer10 Mhz Clock, 6 Mhz data ratesVector Test for VLSI, PLCC & ASICSTestjet and VTEP Vectorless TestingAdvanced Boundary ScanSilicon Nails AvailableSeries V upgradeable
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Time Interval Counter PXI Card
GTX22x0
The GTX22x0 family of PXI universal time interval counters offer many of the measurement and timing functions of high-end stand-alone frequency counters, including accumulate, auto ratio, frequency, fast frequency (GTX2220 and GTX2230 only), period, ratio, single period, test clock, time interval, time interval delay, totalize, totalize gated, totalize gated once, & pulse width.
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Function Generators
Scientific Mes-Technik Private Ltd
Scientific offer wide range of function generators from 3 MHz to 10 MHz in general purpose and multifunction. Selection of waveform shapes apart from standard sine, triangle , square to ramp, pulse are available. SM5071 , SM5074 , SM5061 & SM5075 have built-in auto ranging frequency counter. The outputs are protected against short circuits and overload.
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AC/DC Clamp Meter
3904 CL
Standard Electric Works Co., Ltd
● 4000 - count LCD.● Full automatic measurement. ◎ Voltage measurement. ◎ Current measurement. ◎ Resistor measurement. ◎ Capacitor measurement ◎ Frequency counter.● Range change function.● Data Hold function freezes the reading.● Continuity check.● Diode measurement.● Low battery indication.● Auto Power Off (APO) function.● Safety design throughout with no exposed metal parts, shielded banana plugs and recessed input terminals.
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8-Channel, 100 MHz Counter/Timer/Frequency Meter Function Card
ProDAQ 3808
The ProDAQ 3808 function card, an enhanced version of the ProDAQ 3806 counter/timer function card, is designed to operate in one of three modes: pulse counter, frequency meter, or time interval counter. In the pulse counter and frequency measurement modes, users can process incoming signals of up to 25 MHz on each of the six channels. A time interval counter range is divided into six sub-ranges, covering times from 40 ns to 20000 s with a maximum resolution of 10 ns. For pulse-width measurements, the same ranges apply.
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Portable Multimeter
ST-2004
Standard Electric Works Co., Ltd
● Big-size liquid crystal display.● 3 ¾ digital LCD with a maximum display of 3999.● Bar-graph LCD.● Back light function.● Data hold function.● Auto-ranging design.● Range change function.● Relative/Maximum/Minimum modes.● Peak hold mode.● VAHz mode measures frequency in voltage or current mode.● 40M Hz frequency counter.● Auto power off.● Continuity check.● Low battery indication.● Over range indication.● Fuse protection.● Easy-to-carry handle that doubles as a convenient stand.● Robust case.● Holster is optional.
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Counters
For fast and accurate frequency and time interval measurement you need reliable equipment in research and development. The Keysight 53210A RF frequency counter fulfills the prerequisites for this with its high accuracy, bandwidth and speed. Depending on your application and budget, choose one of the three available models. The connection to the PC is via USB , Ethernet / LXI or GPIB .
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Audio Spectrum Analyzer
OscillometerXZ
OscillometerXZ is an Audio Spectrum Analyzer for real-time, FFT. Offers several functions like OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter.
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Audio Oscillators
Frequency Range : 10Hz to 1MHz in 5 Decade Steps Very Low Distortion : <0.5% Output Voltage : 22.6Vp-p Open Circuit Sine Wave and Squre Wave Easily Choice Built-in 4 Digits Frequency Counter with Internal/External Varialble Frequency with Poly Varicon 400Hz and 1kHz Fixed Special Function Compact Design and easy Operation 2. Accessories Spare Fuse : 1EA Operator''s Manual : 1EA Power Cord : 1EA BNC Cable : 1EA
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6000 Series Digital I/O Modules
Series 6000 digital I/O modules record signals from frequency counters, flow meters, encoders, discrete transducers, IRIG time, etc. which are often part of the test environment. These digital signals are time aligned and recorded alongside the system’s analog measurements. High density digital inputs provide an opportunity to easily include facility controls like switches, valve positions, relays, lights, etc. along with the test data. Series 6000 digital I/O modules also provide outputs generated by user command or automatically by Sequence, Alarms or DSP. User generated outputs are accomplished in software while sequencers can be programmed prior to a test and initiated by program or hardware control. Alarm conditions preprogrammed on the analog side can automatically generate digital outputs which are typically connected to facility control systems or PLCs. A DSP adds powerful real-time processing and is appropriate for PID control loops, derived parameter calculations and a variety of other real-time operations.
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Millimeter Wave Frequency Counter 70-170 GHz
Insight Product Co. offers the electronic frequency counter for frequency measurements of millimeter wave generators of continuous or pulsed signals. The counter has an auto and waiting modes of operation and a direct 6-digits reading in frequency range (70-170) GHz without an external mixer.
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AC/DC Clamp Meter
2660 CL
Standard Electric Works Co., Ltd
● 4000 counts.● Voltage measurement, current measurement, resistor measurement, frequency counter, capacitor measurement.● Bargraph indication.● Range change function.● Data hold function freezes the reading.● REL function.● Peak function.● Diode measurement.● Max / Min function.● Continuity check.● Low battery indication.● Auto Power Off (APO) function.● Safety design throughout with no exposed metal parts, shielded banana plugs and recessed input terminals.
