Used Frequency Counters products for sale

Advantest R Advantest R - Microwave Counter 10 mHz to 18 GHz, with options 01 & 22 $895.00 Agilent / HP 011 for A Agilent HP Option 011 GPIB interface (not including slope or trigger level control) $165.00 Agilent / HP A Agilent HP A - Distribution Amplifier with Option 033. Single 10 MHz input with 12 outputs. $795.00 Agilent / HP B / A Agilent HP B / A - DC - 75 MHz counter / timer. Includes model A HP-IB interface and optional TCXO timebase. $149.00 Agilent / HP A Agilent HP A - 50 MHz Universal Counter Module $888.00 Agilent / HP A Agilent HP A - 10 Hz to 100 MHz universal frequency counter. TCXO and internal battery options available. $95.00 Agilent / HP A Agilent HP A - Universal Counter. DC to 100 MHz, two inputs. Rechargeable battery option available. $149.00 Agilent / HP A Agilent HP A - Universal Counter DC to 100 MHz with Optional TCXO Timebase $169.00 Agilent / HP A Agilent HP A - Universal Counter. DC to 100 MHz, two inputs. Includes option 004 Oven Timebase. Rechargeable battery option available. $195.00 Agilent / HP A Agilent HP A Universal Frequency Counter w/ 1GHz Channel C and TCXO Options $269.00 Agilent / HP A Agilent HP A - Universal Counter DC to 1GHz with optional Channel C $249.00 Agilent / HP A Agilent HP A Universal Frequency Counter with Optional TCXO and 1 GHz C Channel $245.00 Agilent / HP B Agilent HP B DC to 100 MHz programmable universal counter. $235.00 Agilent / HP A Agilent HP A 500 MHz Universal Counter with options 010, 011, 030, 041, & 042. $195.00 Agilent / HP B Agilent HP B 100 MHz Universal Counter with Option 050 - MHz Channel C plus DVM $455.00 Agilent / HP B Agilent HP B 100 MHz Universal Counter with Option 010 - High Stability Time Base & 030 - 513 MHz Channel C $465.00 Agilent / HP A Agilent HP A Universal Counter with Opt 030 MHz C Channel & Opt 020 DVM $295.00 Agilent / HP B Agilent HP B 1.3 GHz Universal Frequency Counter with Option 030 MHz Channel $335.00 Agilent / HP A Agilent HP A - Frequency Counter with optional 1.3 GHz C Channel, Oven Timebase, Expanded HPIB functions. $490.00 Agilent / HP A Agilent HP A - Frequency Counter with opt 10, 20, 30, 40 ( 1.3 GHz C Channel, Oven Timebase, DVM, and expanded HPIB functions) $685.00 Agilent / HP A Agilent HP A - Frequency Counter with optional 1.3 GHz C Channel, DVM, Expanded HPIB functions. $495.00 Agilent / HP A Agilent HP A - Microwave Frequency Counter. 10 Hz to 18 GHz with Option 001 $695.00 Agilent / HP A Agilent HP A - Microwave Frequency Counter. 10 Hz to 18 GHz $635.00 Agilent / HP A Agilent HP A - DC to 18 GHz Microwave Frequency Counter. $595.00 Agilent / HP A Agilent HP A - DC to 24 GHz Microwave Frequency Counter. Includes 005 Frequency Extension $795.00 Agilent / HP A Agilent HP A 10 Hz to 26.5 GHz Microwave Frequency Counter. $595.00 Agilent / HP A w/ H02 Agilent HP A 10 Hz to 26.5 GHz Microwave Frequency Counter Type N Connector with options H02 and 001 - Time Base $.00 Agilent / HP A Agilent HP A DC to 500 MHz frequency counter. 11 digit resolution. Frequency extension plug-ins available up to 40 GHz. $435.00 Agilent / HP A Agilent HP A 10Hz to 20GHz Microwave Frequency Counter $865.00 Agilent / HP B Agilent HP B Microwave Frequency Counter. 10 Hz to 20 GHz. $395.00 Agilent / HP A Agilent HP A Microwave Counter $.00 Agilent / HP B Agilent HP B 26.5 GHz Microwave Frequency Counter $835.00 Agilent / HP B Agilent HP B - Microwave counter 10 Hz to 40 GHz. $.00 Agilent / HP A Agilent HP A Automactic Frequency Converter $.00 Agilent / HP A Agilent HP A - Time synthesizer produces two extremely precise low jitter time delays up to 160 mS $595.00 Agilent / HP B Agilent HP B 20 GHz Microwave Pulse / CW Frequency Counter. Timebase options available at additional cost. $.00 Agilent / HP 536A Agilent HP 536A Coaxial Frequency Meter $.00 Agilent / HP A Agilent HP A - Universal Time Interval Counter $595.00 Agilent / HP B Agilent HP B 100 MHz Universal Time Interval Counter $.00 Agilent / HP A Agilent HP A Modulation Domain Analyzer $.00 Agilent / HP 537A Agilent HP 537A Coaxial Frequency Meter $988.00 Agilent / HP A Agilent HP A Frequency counter. 10 Hz to 225 MHz. Opt 003 HP/IL $335.00 Agilent / HP A Agilent HP A Frequency counter. 10 Hz to 225 MHz. $335.00 Agilent / HP A Agilent HP A Frequency Counter $149.00 Agilent / HP A Agilent HP A - Frequency counter. 10 Hz to 3 GHz. $495.00 Agilent / HP A Agilent HP Symmetricom A - GPS Time & Frequency Receiver with options 001 and H02 $.00 Agilent / HP J06-A Agilent HP J06-A Time interval calibrator for B $495.00 Agilent / HP Option 001 for A Agilent HP Option 001 - Oven Timebase for A, A $95.00 Agilent / HP Option 001 for 535xB Agilent HP Option 001 - Oven Time Base for B, B, & B $69.00 Agilent / HP Option 001 TCXO Agilent HP Opt. 001 TCXO Timebase for A Frequency Counter $50.00 Agilent / HP Option 002 for A Agilent HP Option 002 - Power Meter Option for A/43A $295.00 Agilent / HP Option 004 for A Agilent HP Option 004 for A - High Stability Timebase $195.00 Agilent / HP Option 006 for A Agilent HP Option 006 - Limiter Input Protection. $195.00 Agilent / HP Option 006 for 535xB Agilent HP Option 006 - Microwave Level Limiter for B, B $195.00 Agilent / HP Option 010 Agilent HP Option 010 Oven Timebase for A Universal Counter $149.00 Agilent / HP Option 010 for 535xB Agilent HP Option 010 - High Stability Oven Time Base for B, B, & B $395.00 Agilent / HP Option 011 for A Agilent HP Option 011 - GPIB / HPIB for A A $195.00 Agilent / Keysight A Agilent Keysight A - **AccuSource selected for bright display VFD** 10 digit universal counter. 225 MHz standard, 3 GHz optional. $835.00 Agilent / Keysight A Agilent Keysight A /010 ** specially selected for bright VFD** Ten digit universal counter. 225 MHz standard, with Opt 010 High Stability Timebase. 3 GHz option available. $.00 Agilent / Keysight A-050 Agilent Keysight A / 050 - **AccuSource selected for bright display VFD** 10 digit universal counter. DC to 5 GHz. $.00 Agilent / Keysight A-124 Agilent Keysight A / 124 - 10 digit universal counter. Optional C Channel up to 12.4 GHz. **AccuSource selected for bright display VFD** Timebase options available. $.00 Agilent / Keysight A Agilent Keysight A **AccuSource selected for bright display VFD** 12 digit/sec universal counter. 225 MHz standard, 3 GHz optional. $.00 Agilent / Keysight A w/ Opt. 050 Agilent Keysight A 12 digit/sec universal counter with option 050 ( 5.0 GHz channel 3). 225 MHz standard on channel 1&2. Timebase options available. $.00 Agilent / Keysight A w/ Opt. 124 Agilent Keysight A 12 digit/sec universal counter with option 124 ( 12.4 GHz). 225 MHz standard on channel 1&2. Timebase options available. $.00 Agilent / Keysight A Agilent Keysight A - Portable Frequency Counter / Power Meter / DVM w/ opt 001 & 002 Oven Timebase & Rechargeable Battery $.00 Agilent / Keysight A Agilent Keysight A - Portable Frequency Counter / Power Meter / DVM. 10 Hz to 20 GHz. Power Sensors sold separately. $950.00 Agilent / Keysight A Agilent Keysight A - Portable Frequency Counter / Power Meter / DVM. 10 Hz to 20 GHz. With opt 001 Oven Timebase. Power Sensors sold separately. $.00 Agilent / Keysight A Agilent Keysight A / 001 / 002 Portable Frequency Counter / Power Meter / DVM. 10 Hz to 26.5 GHz. Includes Option 001 Oven Timebase and option 002 internal rechargeable battery. Power Sensor Sold Separately. $.00 Agilent / Keysight A Agilent Keysight A 20 GHz CW Microwave Counter / Power Meter. Option 002 battery available. $.00 Agilent / Keysight A Agilent Keysight A 001/ 002 - 20 GHz CW Microwave Counter / Power Meter with Option 001 Oven Timebase and 002 battery option. $.00 Agilent / Keysight A Agilent Keysight A 26.5 GHz Microwave Frequency Counter / Power Meter with option 001 - Oven Timebase -- As New $.00 Agilent / Keysight A Agilent Keysight A - CW Microwave Counter $.00 Agilent / Keysight A Agilent HP A - 10 digit frequency counter. 225 MHz standard, 1.5 or 3 GHz optional. $595.00 Agilent / Keysight A Opt. 050 Agilent Keysight A - 5.0 GHz Frequency Counter with Option 050 - 5.0 GHz RF Input Channel $.00 Agilent / Keysight A Opt. 124 Agilent Keysight A - 12.4 GHz Frequency Counter with Option 124 - 12.4 GHz RF input with type N connector Ch 2 $.00 Agilent / Keysight A Agilent Keysight A / 115 / 010 / 300 Frequency Counter. 10 digits/s. Includes 15 GHz channel and ultra high stability timebase options plus battery and GPIB. $.00 Agilent / Keysight A Agilent Keysight A / 115 Frequency Counter. 10 digits/s. Includes 15 GHz channel with USB and GPIB. $.00 Agilent / Keysight A Agilent Keysight A Single channel 350 MHz Frequency Counter. 10 digits/s. $.00 Agilent / Keysight A Agilent Keysight A / 106 / 010 Frequency Counter. 10 digits/s. Includes 6 GHz channel and ultra high stability timebase options plus GPIB. $.00 Agilent / Keysight A Agilent Keysignt A / 106 Universal Frequency Counter/Timer, 12 digits/s, 100 ps with 6 GHz channel option. $.00 Agilent / Keysight A Agilent Keysight A - 350 MHz Universal Frequency Counter / Timer $.00 Agilent / Keysight Option 001 for 531xxA Agilent Keysight Medium stability timebase for A, A, A $165.00 Agilent / Keysight Option 010 for 531xxA Agilent Keysight Option 010 Oven Timebase for A, A & A counters $295.00 Agilent / Keysight Option 012 for 531xxA Agilent Keysight Option 012 Ultra-Precision Timebase for A, A & A counters $435.00 Agilent / Keysight Option 015 for A Agilent Keysight Option 015 1.5 GHz channel for A counter. $295.00 Agilent / Keysight Option 030 for 531xxA Agilent Keysight Option 030 3 GHz channel for A, A & A counters. $335.00 Agilent / Keysight Option 060 for 531xxA Agilent Keysight Option 060 for A, A & A counters. $79.00 Datum FTS A Datum Symmetricom FTSA Quartz frequency standard with internal standby battery $.00 EIP 25B EIP 25B - 10 Hz to 20 GHz Frequency Counter / Power Meter $995.00 EIP 545A EIP 545A 10 Hz to 18 GHz frequency counter TCXO Standard Timebase $549.00 EIP 548A EIP 548A - Microwave Frequency Counter. 10 Hz to 26.5 GHZ. Includes option 05 (best available timebase), and option 06 (frequency extension capability). $849.00 EIP 548B EIP 548B - 10 Hz to 26.5 GHz Microwave Frequency Counter. Includes option 05 (best available timebase), and option 06 (frequency extension capability). $.00 EIP 548B EIP 548B - 10 Hz to 26.5 GHz Microwave Frequency Counter. Includes option 08 (GPIB) and option 06 (frequency extension capability). Contact sales for available timebase upgrades. $.00 EIP 548B EIP 548B - 10 Hz to 26.5 GHz Microwave Frequency Counter. Includes option 02 Power Measurement $.00

Q1: What factor most affects the accuracy of a frequency counter?
A1: The factor that most affects the accuracy of a frequency counter is the quality and stability of the time base oscillator. The time base oscillator provides the reference frequency against which the input signal is measured. High-quality oscillators, such as temperature-compensated crystal oscillators (TCXOs) or oven-controlled crystal oscillators (OCXOs), offer better stability, thus providing higher measurement accuracy. Additionally, the aging effect of the oscillator, as well as phase noise and jitter, can also impact measurement accuracy. Regular calibration of the frequency counter to compensate for any drift in the oscillator frequency is crucial for maintaining high accuracy.

For more information, please visit SUIN.

Q2: What is the gate time of a frequency counter?
A2: The gate time of a frequency counter is the duration during which the instrument counts the number of cycles of the input signal to determine its frequency. Essentially, it defines the time interval over which the measurement is averaged, directly impacting both the resolution and accuracy of the measurement. A longer gate time results in higher resolution and more accurate frequency measurements, as it averages out short-term fluctuations and noise in the signal. However, it also means that measurements take longer to complete. Conversely, a shorter gate time allows for faster measurements but with lower resolution and potentially higher uncertainty. The choice of gate time is often a trade-off between the desired measurement accuracy and the required speed of measurement.

Q3: What types of signals can a frequency counter measure?
A3: A frequency counter can measure various types of signals, including sine waves, square waves, pulse trains, and other periodic waveforms. It is capable of measuring both analog and digital signals, making it versatile for applications in different fields. The counter can handle a wide range of frequencies, from very low frequencies (in the hertz range) to very high frequencies (in the gigahertz range), depending on the specific model and its input capabilities. Additionally, advanced frequency counters can measure parameters such as signal period, total event counts, and even the rotational speed of mechanical systems when equipped with the appropriate sensors. This versatility allows frequency counters to be used in telecommunications, electronics, industrial automation, and scientific research.

Tips: How to calculate a frequency counter?

To calculate the frequency of a signal using a frequency counter, follow these steps:

1. Set Up the Frequency Counter: Connect the input signal to the frequency counter and select the appropriate input range and mode for the type of signal being measured.

2. Choose the Gate Time: Select the gate time (or integration time) on the frequency counter. This is the duration over which the counter will measure the number of cycles of the signal. Longer gate times provide higher accuracy but take more time to measure.

3. Start the Measurement: Initiate the measurement process. The frequency counter will begin counting the number of cycles or events of the input signal during the gate time.

The company is the world’s best Portable Frequency Counter Dealers supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

4. Calculate the Frequency: The frequency counter computes the frequency using the formula:

Frequency = Number of Cycles / Gate Time

Here, "Number of Cycles" is the count of signal cycles detected during the gate time, and "Gate Time" is the duration for which the counting occurred.

5. Display the Result: The frequency counter will display the calculated frequency, often in hertz (Hz), on its screen.

For example, if a frequency counter counts 10,000 cycles over a gate time of 1 second, the calculated frequency is:

Frequency = 10,000/1 = 10,000Hz or 10 kHz

This process allows the frequency counter to provide an accurate measurement of the signal's frequency based on the counted cycles and the specified gate time.

Want more information on Portable Frequency Counter Factory? Feel free to contact us.