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
Combines a calibrated RMS RF Power Meter, a wide-band frequency counter, and a RF Signal Generator into one miniature USB device. Incredibly useful in production verification environments and other automated test setups.
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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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Frequency Counters/Timers
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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Digital frequency counters
The instrument is equipped, in addition to the 20 Hz-160 MHz input, a second input for measurement up to 2.4 GHz with an impedance of 50 Ohms.
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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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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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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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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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Frequency Counter, 30MHz to 800MHz, 500MHz to 2.8GHz, 7 Digits
72-7390
Rugged instrument is smaller than a deck of cards, yet provides frequency measurement of digital, on/off keying and analog signals from 30MHz to 2.8GHz. It is perfect for displaying the output of two–way radio equipment, analog and digital cell phones, RF remote controls and many other items. Internal vibrator alert also makes this an outstanding device for detecting transmitters in counter–surveillance applications
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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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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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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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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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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 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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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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Voltmeter
The Voltmeter (like the Sound Level Meter and Frequency Counter) can be positioned anywhere on the screen. The size of the display font changes when you resize the meter by dragging its borders. You can fill the screen for a really big readout that can be seen from across the room.
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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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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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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.
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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 Power Clamp Tester
IBL-307
International Biological Laboratories
This Digital Clamp On Power Meter Model 307 can be used to measure True Power, Apparent Power and Power Factor in single phase circuits. It measures AC/DC Current and incorporates a frequency counter. It is autoranging type Digtal Clamp On Power Meter and has 3-3/4 Digits 4000 Counts with 40 segment analog bargraph LCD Display.
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Sound Level Meter
The Sound Level Meter is shown positioned near the top of the main Daqarta window. Like the Voltmeter and Frequency Counter, it can be positioned anywhere on the screen, and the size of the display font changes when you resize the meter by dragging its borders. You can fill the screen for a really big readout that can be seen from across the room.
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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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PCI Digital I/O
APC464
Four 16-bit multifunction counters/timers are configurable for pulse width modulated output, watchdog timer, event counter, frequency measurement, pulse width measurement, period measurement, or one shot pulse output. The four 16-bit counters can also be configured into two 32-bit counter/timers.
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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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Microwave Frequency Counter (up to 40GHz)
S4382
Saluki S4382 series microwave frequency counter adopts microwave sampling technology to realize microwave measurement. The function control, measurement sequence and data processing of the whole measurement process are completed by the internal microprocessor. It is a new generation of intelligent microwave frequency measurement instrument. The instrument adopts medium and large scale integrated circuits and some monolithic integrated circuits with excellent performance, which makes the design of the instrument more reasonable, with low power consumption and high reliability.
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Handheld Digital Multimeter, 4.5-digit, with Organic LED Display (OLED)
U1253B
The Keysight U1253B 4.5-digit handheld digital multimeter (DMM) is feature-packed to simplify the troubleshooting of electronics and electrical circuits indoors, on the bench or in the field. Key capabilities include its organic LED (OLED) display that provides razor-sharp readings even in dark, off-angle situations. The U1253B is the world's first OLED handheld DMM of its kind. For those long, continuous measurements, the DMM equips you with the easy-to-use GUI data-logging software to automate virtually unlimited data recordings to PC. The U1253B comes with an integrated 20 MHz frequency counter for high frequency measurements, and a built-in programmable square-wave generator with selectable frequency and duty cycle. With the versatile U1253B, you are well equipped to perform thorough troubleshooting of any faulty circuit.A multi-award winner
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Digital Oscilloscope, 2 Channel, 300 MHz, 2 GSPS, 16 Mpts, 1.2 ns
72-7635
*2 Analogue channels*800x480, 7" Widescreen LCD display*Print screen feature*24 Automatic and 2 advanced measurements*Unique waveform recording and replay function*6 Digital trigger frequency counter*6 Digital trigger frequency counter*USB drive system software upgrade*24 month limited warranty *view Terms & Conditions for details
