Frequency Counters

Test & Measuring Instruments

USB Counter/Timer DAQ Devices offer high-speed operation.

May 29, 2014

Providing high-speed pulse counting with 48 MHz max input frequency, 4-channel USB-CTR04 and 8-channel USB-CTR08 offer programmable resolution up to 64 bits with 8 MBps aggregate scan rate. High-level input modes include totalize, period measurement, pulse-width measurement, and timing measurement. Four independent PWM timer outputs and 8 DIO are also incuded, and timer output channels can operate continuously or for specified pulse count; duty cycle and period can be changed on-the-fly. Read More

Test & Measuring Instruments, Optics & Photonics

Multi-Function Instrument operates via USB.

March 1, 2013

Combining oscilloscope, data logger, spectrum analyzer, voltmeter, and frequency meter in single product, dual-channel Model DS60M10 offers 10-/8-bit data streaming simultaneously on both channels. Oscilloscope supports speeds of 60 Hz, while data logger provides sampling rate up to 1 KS/s, and analog inputs of voltmeter have max range of ±50 Vdc. Measuring 116 x 30 x 100 mm, USB-based unit draws 500 mA from standard interface port, eliminating need to connect to any other power source. Read More

Test & Measuring Instruments

True-rms Clamp Meters produce noise-free measurements.

July 20, 2012

Fluke® 320 series, addressing needs of high-demand electrical applications, features true-rms AC voltage and current for measurement of non-linear signals as well as DC current, frequency, and resistance up to 40 kohms for motor testing. While Fluke 324/325 offer backlit display, contact temperature readings from 14 to 752°F, and capacitance measurements from 100-1,000 µF, Fluke 325 adds DC current measurements to 400 A, frequency measurements from 5-500 Hz, and Min/Max function. Read More

Test & Measuring Instruments, Communication Systems & Equipment

Power/Harmonic Clamp-On Meters have 1,000 V CAT IV safety rating.

June 21, 2012

Rated for safe operation at building electrical supply source, IP54-rated Models 407 and 607 offer wirelessly data extraction via Bluetooth technology and perform standard measurement of volts, amps, frequency, resistance, and continuity. Units also measure TRMS Voltage and Current as well as AC+DC with Min/Max/Avg and CF display. Further able to measure all types of InRush, meters are capable of 3-phase power simulation and also measure/display THD in volts and amps. Read More

Test & Measuring Instruments, Communication Systems & Equipment

Clamp-On Meters carry 1,000 V CAT IV safety rating.

June 20, 2012

Featuring IP54 construction, Models 401, 403, 601, and 603 can measure volts, amps, frequency, resistance, and continuity at building's electrical supply source. Products measure all types of InRush(TM), even those due to load increases on installation that is already up and running. Peak and RMS InRush values are captured at 1 msec sample rate and 100 msec duration windows. Meters measure temperature in °F or °C using supplied K-type thermocouple and frequency to 20 kHz. Read More

Test & Measuring Instruments

Frequency Counter works with analog/digital signals.

May 25, 2011

Delivering plug-and-play functionality, 1054 - PhidgetFrequencyCounter can be used to measure frequency of analog or digital signal. It counts events from analog signal over time and calculate frequency from it. Able to count logic level or signal centered around 0 V, product can also count signals with different ground as long as they are within common mode range (±10 V). Dual channels enable sensing of 2 different inputs, and measurable frequency is accurate to 0.25% up to 1 MHz. Read More

Test & Measuring Instruments, Communication Systems & Equipment

USB-Powered Frequency Counter has wide RF frequency range.

April 11, 2011

Operating over frequency range of 1-6,000 MHz, UFC-6000 includes USB interface that allows remote display of measured frequencies. At 6.16 X 3.68 X 1.38 in., device has rugged shielded case with 16 x 2 character LCD screen as well as reference input BNC(F) port and signal input SMA(F) port. Also included are 2.7 ft USB cable and power adaptor suitable for US and EU power systems with USB A female connector. Unit can also operate independently using external power supply. Read More

Test & Measuring Instruments, Electronic Components & Devices

USB AWG and Frequency Counter is optimized for compatibility.

April 7, 2011

With range of 0.1 Hz to 5 MHz, model A0210001 offers one channel of 8-bit arbitrary synchronized waveform output, two 8-bit input channels for counter/frequency measurement, and external trigger input. Portable unit, capable of reading waveform data files from Tektronix oscilloscopes or waveform editor software, implements DDS technology and generates regular waveforms such as Sine, Square, Triangle, Saw-tooth, TTL, White Noise, Gaussian Noise, Trapezoid, Exponent, and AM/FM signals. Read More

Test & Measuring Instruments, Electronic Components & Devices

USB Arbitrary Waveform Generator includes DDS circuit.

November 10, 2010

Supplied with SDK and API, Model A0200002 uses DDS circuit to produce corresponding DAC refreshing clock and can be integrated into auto-measuring systems. Waveform generator/frequency counter reads waveform data files produced by Tektronix oscilloscopes or waveform editor software and displays waveform. It provides 1 channel of arbitrary waveform output, 8-bit output, synchronized signal output and 2 input channels for counter/frequency measurement, 8-bit input, and external trigger input. Read More

Test & Measuring Instruments, Timers & Clocks

Frequency Counter/Timers feature LXI Class C compliance.

October 21, 2010

Offering base bandwidth of 350 MHz and options up to 15 GHz, RF and universal 53200 series delivers up to 12 digits/sec continuous-count, gap-free frequency resolution and 20 psec single-shot time interval resolution. LXI/Ethernet and USB 2.0 are standard, facilitating connection to PC test system instruments or network, and internal memory stores 1M readings. Along with post-measurement analysis capabilities, product provides math and statistical information. Read More

Test & Measuring Instruments

Signal Level Meter covers 46-860 MHz frequency range.

February 11, 2008

Designed for CATV system maintenance, Model GAO2002 measures 160 x 130 x 65 mm, weighs 368 g including battery, and offers more than 6 hr operating time. Signal level meter supports Level, V/A, Tilt, and Trunk Level testing as well as testing 2 channels at same time. It features level measurement range of 20 dBµV to 50 dBV with accuracy of ±2 dB and 0.5 dB resolution, 20 dBµV to 50 dBV carrier-to-noise (C/N) option range, and voltage input range of 1-100 V (ac/dc) with ±2 V accuracy. Read More

Test & Measuring Instruments

Signal Level Meter is designed for CATV system maintenance.

February 1, 2008

With 160 x 130 x 65 mm size and less than 600 g weight, Model GAO1001 simultaneously supports 2-channel Level, V/A, Tilt, and Trunk Level testing. It features operating time of more than 6 hr, frequency range of 46-864 MHz, tuning resolution of 50 kHz, and ±50 ppm accuracy. Shockproof device has level measurement range of 30-120 dBV with accuracy of ±2 dB at 25°C and 0.5 dB resolution, and voltage input range of 1-100 V (ac/dc) with ±2 V accuracy and 1 V resolution. Read More

Test & Measuring Instruments

Frequency Meter features 0.05 Hz to 1 MHz frequency range.

February 7, 2007

Laureate Model FR 6-digit panel-mount meter can display ac line frequency to 50.0000 or 60.0000 Hz with 0.0001 Hz resolution in few ac line cycles. Frequency signals in kHz range can be read with 0.01 Hz accuracy at up to 25 readings/sec. UL-listed unit's dual-channel signal conditioner can accept signals from proximity switches with PNP/NPN output, TTL/CMOS logic, magnetic pickups, contact closures, and other signals from 12 mV to 250 Vac. Read More

Test & Measuring Instruments

Frequency Counter measures from 0.1 Hz to 3.5 GHz.

March 11, 2005

Model 1856D features 50 ohm terminated input for use in high frequency VHF/UHF/microwave/cellular telephone systems, as well as standard 1 Mohm input for frequency measurements up to 100 MHz. Nine-digit display provides up to 10 nHz resolution to 3.5 GHz, 1 Hz resolution to 100 MHz, and 0.1 Hz resolution to 10 MHz. In Period Mode, unit measures period required for one cycle over range of 5 Hz to 3.5 MHz, while Totalize Mode permits counting of individual events. Read More

Test & Measuring Instruments

Multi-Channel Frequency Counter is suited for PXI platform.

April 2, 2004

With 8 frequency measurement channels, P635 single-width, 3U module monitors pulse sources in 0.06 Hz to 100 kHz frequency range. Circuitry allows monitoring of varied frequencies without changing module settings. Filtering and hysteresis features ensure noise immunity, and AC or DC coupling of differential inputs is programmable on per-channel basis. Features include TTL inputs, differential input circuits, and programmable observation window. Read More

Test & Measuring Instruments

RF Counter/Detectors display frequency and signal strength.

November 25, 2003

Hand-held Models 103, 104, 105, and 106 utilize RF and microprocessor circuitry to detect audio/video wireless transmissions. Frequency detection ranges are 1 MHz to 3 GHz, 10 Hz to 3 GHz, 1 MHz to 3 GHz, and 30 MHz to 2.8 GHz, respectively. Users can simultaneously view signal strength on 16-section bargraph and detected frequency on LCD screen. All units include 4 selectable gate speeds, display hold, low battery indicator, and rechargeable NiCd battery pack. Read More

Test & Measuring Instruments

Universal Counter offers frequency measurements to 2.4 GHz.

July 7, 2003

Model C3100 features RMS-232 capability for PC communications such as time stamp, data logging, and file storage. Duty Cycle, RPM, Time Interval, Period, and optional GPIB interface functions extend unit's applications. Programmable counter plots trend graphs that are viewable on LCD display and generates comparison, relative error, and min/max functions. Operable on line voltages from 85-270 V, unit is supplied with software to run with Window 95, 98, 2000, and ME. Read More

Test & Measuring Instruments

LCR/ESR Meter tests components at high speeds.

August 15, 2002

Model 889 Synthesized Bench In-Circuit meter can be used to test inductors, capacitors, and resistors. It makes ac and dc voltage measurements, diode continuity checks, and LCR and ESR measurements at frequencies up to 100 kHz, with basic accuracy of 0.5%. When LCR measurement mode is selected, test frequencies of 100 Hz, 120 Hz, 1 kHz, 10 kHz, or 100 kHz may be selected on all applicable ranges. Dual display permits simultaneous measurements. Read More

Test & Measuring Instruments, Communication Systems & Equipment

Clamp-On Ammeter is a Category Class III instrument.

March 26, 2002

Hand-held Model 2606 offers measuring ranges of 0 to 1000 amps Ac/Dc, 0 to 1000 Vdc, 0 to 750 Vac (True RMS), resistance from 0 to 40 MOhm, capacitance range of 4 nF to 40 uF, and frequency from 100 Hz to 400 KHz. It also provides Continuity Test and Diode Test. 4000-count instrument, with impact-resistant case and electronic overload protection, is suited for use in field servicing, industrial maintenance, heating/refrigeration and power utilities. Read More

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