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Test & Measuring Instruments -> Counters -> Frequency Counters

Frequency Counters

(Showing headlines 1 - 20)   more ....
USB Counter/Timer DAQ Devices offer high-speed operation.

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

Measurement Computing Corp.    Norton, MA 02766
May 29, 2014 Providing high-speed pulse counting with48 MHz max input frequency, 4-channel USB-CTR04 and 8-channel USB-CTR08 offerprogrammable 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 forspecified pulse count; duty cycle and period can be changed on-the-fly.

Multi-Function Instrument operates via USB.

Multi-Function Instrument operates via USB.

EasySYNC, Ltd.    Hillsboro, OR 97124-5803
Mar 01, 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.

True-rms Clamp Meters produce noise-free measurements.

True-rms Clamp Meters produce noise-free measurements.

Fluke Corp.    Everett, WA 98203
Jul 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 752F, and capacitance measurements from 100-1,000 F, Fluke 325 adds DC current measurements to 400 A, frequency measurements from 5-500 Hz, and Min/Max function.

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

AEMC Instruments    Foxborough, MA 02035
Jun 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.

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

AEMC Instruments    Foxborough, MA 02035
Jun 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.

Frequency Counter works with analog/digital signals.

Frequency Counter works with analog/digital signals.

Phidgets, Inc.    Calgary, AB T2M3R7  Canada
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.

USB-Powered Frequency Counter has wide RF frequency range.

USB-Powered Frequency Counter has wide RF frequency range.

Mini-Circuits    Brooklyn, NY 11235
Apr 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.

USB AWG and Frequency Counter is optimized for compatibility.

Gao Tek    Toronto M1B2K4  Canada
Apr 07, 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.

USB Arbitrary Waveform Generator includes DDS circuit.

GAO Instruments Inc.,    Toronto   Canada
Nov 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.

Frequency Counter/Timers feature LXI Class C compliance.

Agilent Technologies, Inc.    Santa Clara, CA 95051
Oct 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.

Clamp Meter transmits readings to FLIR IR cameras.

Clamp Meter transmits readings to FLIR IR cameras.

Extech Instruments Corp.    Nashua, NH 03063
Apr 08, 2010 Featuring built-in IR thermometer with laser pointer for hot-spot detection, 1,000 A CAT IV Model EX845 utilizes METERLiNK(TM) technology to wirelessly connect to FLIR IR cameras via Bluetooth(TM), accelerating IR inspections and diagnostics. True RMS meter functions include AC/DC current, voltage, resistance, capacitance, frequency, infrared and contact temperature, diode-test, and continuity check. With 1.7 in. jaw opening, meter handles conductors up to 750 MCM.

Multifunction Counter Module has USB-powered design.

Multifunction Counter Module has USB-powered design.

J-Works, Inc    Sylmar, CA 91342
Apr 02, 2010 Available with on board terminal block (screw type) connections or Molex KK series 2 pc pluggable connectors, USB 2.0-controlled JSB542 series DAQ module provides 4 channels of 24-bit counters. Each can be configured as 1 of 5 types of counters: Frequency, Period, Time between pulses, Quadrature, and Event. While Period and time counters have selectable time base of 1-100 MHz, frequency counter has selectable gate times from 1 msec to 2 sec.

True RMS Clamp Meters feature built-in voltage detector.

Extech Instruments Corp.    Nashua, NH 03063
Mar 25, 2010 Featuring 1.5 in. jaw opening to accommodate conductors up to 750 MCM, AC Model MA620 and AC/DC Model MA640 are 600 A clamp meters with non-contact voltage detector, digital multimeter capabilities, and illuminated dual display with 4-digit readout and bargraph. CAT III-rated units offer user-selectable auto- or manual-ranging as well as various measurement functions such as current, voltage, resistance, capacitance, frequency, duty cycle, diode, and continuity tests.

Frequency Analyzer incorporates statistical values.

Frequency Analyzer incorporates statistical values.

Casella USA    Amherst, NH 03031
Jan 19, 2010 Designed to perform short-term, environmental noise assessments, pocket-sized Model CEL-621 offers functions ranging from simple baseline surveys to full 1/3rd octave band analysis. Device uses all-digital technology that can measure in just one span up to 140 dB. High-resolution display presents results in color-coded format that minimizes risk of misinterpretation, while on-board memory and USB download allow data to be included in reports without special software.

Signal Level Meter covers 46-860 MHz frequency range.

Gao Tek    Toronto M1B2K4  Canada
Feb 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 dBV to 50 dBV with accuracy of 2 dB and 0.5 dB resolution, 20 dBV to 50 dBV carrier-to-noise (C/N) option range, and voltage input range of 1-100 V (ac/dc) with 2 V accuracy.

Signal Level Meter is designed for CATV system maintenance.

Gao Tek    Toronto M1B2K4  Canada
Feb 01, 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 25C and 0.5 dB resolution, and voltage input range of 1-100 V (ac/dc) with 2 V accuracy and 1 V resolution.

Signal Level Meter covers 5-870 MHz range.

Gao Tek    Toronto M1B2K4  Canada
Nov 07, 2007 Offering features suited for professionals in CATV industry, DS1151 (B) Super Signal Level Meter is capable of measuring and displaying amplitude at predefined frequency or carrier. Peak-hold level measurement feature in LEVEL and SPECTRUM mode can detect occasional disturbance, and unit is capable of testing analog, digital (QAM), and FM channels. It also supports C/N measurement, voltmeter functions, spectrum analysis, auto test, and data logging.

Frequency Meter features 0.05 Hz to 1 MHz frequency range.

Frequency Meter features 0.05 Hz to 1 MHz frequency range.

Laurel Electronics, Inc.    Costa Mesa, CA 92626
Feb 07, 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.

Power Meter operates in field and lab environments.

Power Meter operates in field and lab environments.

Keithley Instruments, Inc.    Cleveland, OH 44139 1891
Oct 26, 2006 Model 3500 Portable RF Power Meter features frequency range of 10 MHz to 6 GHz and dynamic range of -63 to +20 dBm, enabling it to measure signals directly from device under test or through layers of cabling and fixtures. Data can be captured and transferred to computer via USB interface, allowing for trend or drift analysis. Internal power reference enables self-calibration. Meter can be powered from batteries, ac-dc converter module, or from computer via USB.

Analog Meters are offered in various dc and ac types.

Analog Meters are offered in various dc and ac types.

Hoyt Electrical Instrument Works, Inc.    Penacook, NH 03303 8798
Apr 06, 2006 Suited for use in harsh environments, 5000 Series monitors from PLC or transducer and requires no power. Gasket sealing design allows for quick modification and scale changes while maintaining instrument integrity. Made with UL 94V material, series is available in custom scales and features dustproof Lexan construction. Accuracy on all dc and ac versions is 2% of FS. All meters are 2,600 V RMS with 90 rotation and meet ANSI Specifications C39.1.

(Showing headlines 1 - 20)   more ....

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