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48

Used attenuator

  • Fluke 1900A

    Fluke 1900A

    • Manufacturer: Fluke
    • Model: 1900A

    The Fluke Model 1900A is a 5 Hz to 80 MHz multiple-function counter capable of making frequency, period, and period averaging and totalize measurements. In the frequency mode, resolution is manually selectable at...

    Farmingdale, NJ
  • Trusted Seller
    Krohn-Hite 3100

    Krohn-Hite 3100

    • Manufacturer: Krohn-Hite

    Frequency Range 10 Hz -1 MHz Attenuation Slope dB/Octave 24 Max Attenuation (dB) 80 Output Volt/Amps (RMS) 3 v/ 10 ma Variable Band-Pass Filter

    New Smyrna Beach, FL
  • Fluke 7260A

    Fluke 7260A

    • Manufacturer: Fluke
    • Model: 7260A

    The 7260A will measure frequencies to 125 MHz, or (optionally) to 520 MHz or 1300 MHz, with a 50Ω channel (Channel C). The 7260A has a 10 MHz clock, with 100 ns resolution. This counter will make time-interval or...

    Farmingdale, NJ
  • Fluke 7261A

    Fluke 7261A

    • Manufacturer: Fluke
    • Model: 7261A

    The 7261A will measure frequencies to 125 MHz, or (optionally) to 520 MHz or 1300 MHz, with a 50Ω channel (Channel C). The instruments are essentially alike except the 7261A has a 100 MHz clock, with a correspond...

    Farmingdale, NJ
  • Tektronix DC505A

    Tektronix DC505A

    • Manufacturer: Tektronix
    • Model: DC505A

    The Tektronix DC505A is a Frequency Counter Plug-In that is designed to operate in a TM 500-Series Power Module. Has seven measurement functions: frequency counting, finding frequency ratios, period timing, inter...

    Farmingdale, NJ
  • Trusted Seller
    Advantest R5372P

    Advantest R5372P

    • Manufacturer: Advantest
    • Model: R5372P

    Number of Channels 2 ch Minimum Frequency, Ch. 1 10 Hz Maximum Frequency, Ch. 1 550 MHz Sensitivity, Channel 1 25 mV Maximum Input Voltage, Ch. 1 5 V Input Impedance, Ch.1 50 Ohm Input Attenuation, Ch 1 x1,x20 In...

    New Smyrna Beach, FL
  • Trusted Seller
    Advantest R5373P

    Advantest R5373P

    • Manufacturer: Advantest
    • Model: R5373P

    Number of Channels 2 ch Minimum Frequency, Ch. 1 10 Hz Maximum Frequency, Ch. 1 550 MHz Sensitivity, Channel 1 25 mV Maximum Input Voltage, Ch. 1 5 V Input Impedance, Ch.1 50 Ohm Input Attenuation, Ch 1 x1,x20 In...

    New Smyrna Beach, FL
  • Trusted Seller
    Protek B2000

    Protek B2000

    • Manufacturer: Protek

    0.1Hz to 2GHz Frequency Range Measures Frequency, Period, Time interval, Ratio and Totalize 0.5 PPM temperature stability Channel A and Channel B have variable trigger level controls Large, bright 8 digit LED fre...

    New Smyrna Beach, FL
  • Trusted Seller
    Advantest R5373

    Advantest R5373

    • Manufacturer: Advantest
    • Model: R5373

    Number of Channels 2 ch Minimum Frequency, Ch. 1 10 Hz Maximum Frequency, Ch. 1 550 MHz Sensitivity, Channel 1 25 mV Maximum Input Voltage, Ch. 1 5 V Input Impedance, Ch.1 50 Ohm Input Attenuation, Ch 1 x1,x20 In...

    New Smyrna Beach, FL
  • Trusted Seller
    Protek B821

    Protek B821

    • Manufacturer: Protek

    Sweep Function Generator and Frequency Counter Sine, Square, Triangle, Ramp, Pulse, Skewed Sine and TTL Square Waveforms 0.2Hz to 20MHz Frequency Output (Sine wave) Built-in 8 digit 3.0GHz Frequency Counter Inter...

    New Smyrna Beach, FL
  • Trusted Seller
    Advantest R5372

    Advantest R5372

    • Manufacturer: Advantest
    • Model: R5372

    Number of Channels 2 ch Minimum Frequency, Ch. 1 10 Hz Maximum Frequency, Ch. 1 550 MHz Sensitivity, Channel 1 25 mV Maximum Input Voltage, Ch. 1 5 V Input Impedance, Ch.1 50 Ohm Input Attenuation, Ch 1 x1,x20 In...

    New Smyrna Beach, FL
  • Trusted Seller
    Racal Dana 2461C

    Racal Dana 2461C

    • Manufacturer: Racal
    • Model: 2461C

    200 MHz Frequency Measurement 9 Digits Per Second Resolution 1 ns Time Interval Resolution (100 ps with Averaging) 2.5 mV Trigger Resolution 11 Automatic Measurements Including Peak Signal Programmable Measuremen...

    New Smyrna Beach, FL
  • Trusted Seller
    Fluke 1952B

    Fluke 1952B

    • Manufacturer: Fluke
    • Model: 1952B

    Measures frequency (DC-80 MHz), frequency ratio, time interval, period, period averages, and a gateable totalize with 7-digit accuracy. Standard with two input channels (complete with X1 and X10 attenuators), AC ...

    New Smyrna Beach, FL
  • Tektronix DC505

    Tektronix DC505

    • Manufacturer: Tektronix
    • Model: DC505

    The DC 505 Universal Counter/Timer has seven measurement functions: frequency counting, finding frequency ratios, period timing, interval timing, width timing, electronic event counting, and manual event counting...

    Farmingdale, NJ
  • Trusted Seller
    Advantest R5362B

    Advantest R5362B

    • Manufacturer: Advantest
    • Model: R5362B

    Number of Channels 2 ch Minimum Frequency, Ch. 1 60 mHz Maximum Frequency, Ch. 1 3 GHz Sensitivity, Channel 1 10 mV Maximum Input Voltage, Ch. 1 3 V Input Impedance, Ch.1 50 Ohm Input Attenuation, Ch 1 x1,x20 Inp...

    New Smyrna Beach, FL
1234

Overview

Frequency counters are electronic instruments used to measure the frequency of an incoming signal. They are essential in various fields, including telecommunications, electronics, and laboratory research, for accurately determining the frequency of signals in hertz (Hz). These devices are valuable for troubleshooting and ensuring the proper operation of RF systems, oscillators, and signal generators.

FAQ

What should I consider when buying a used frequency counter?

Consider the frequency range, accuracy, and resolution of the device. Check for any visible damage and ensure it powers on and functions correctly. Review any available calibration records.

How can I ensure the frequency counter is shipped safely?

Use a reputable shipping service with experience in handling delicate electronic instruments. Ensure the frequency counter is well-packaged with protective materials to prevent damage during transit.

What maintenance is required for a frequency counter?

Regular maintenance includes keeping the device clean and dust-free, checking connections, and verifying calibration periodically. Follow the manufacturer’s guidelines for specific maintenance procedures.