Test, Lab, Medical equipment » Frequency Counters

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26

Used level instruments

Marconi IFR Aeroflex CPM 20
- Manufacturer: Aeroflex
Details The Marconi IFR Aeroflex CPM-20 is a calibrated RF power module designed to provide highly accurate level readings when used with spectrum analyzers. Operating across a broad frequency range of 10 MHz to ...
Dublin, Ireland
Anritsu MF2412A
- Manufacturer: Anritsu
- Model: MF2412
Details The Anritsu MF2412A is a precision modulation meter designed to measure FM, AM, PM, and a range of digital-modulated signals in telecom and RF applications. With its detachable display and weight under 2 ...
Dublin, Ireland
Philips PM6685
- Manufacturer: Philips
- Model: PM6685
Details The Philips PM6685 is a high-end frequency counter engineered for RF and digital applications, offering GHz-level measurement capabilities, ultra-stable time base, high-resolution display, and fast acquis...
Dublin, Ireland
Fluke PM 6681R
- Manufacturer: Fluke
- Model: PM6681
Details The Fluke PM 6681R integrates a Rubidium-based timebase, advancing the precision of the 6681 with exceptional long-term stability. This makes it ideal for environments demanding atomic-level accuracy, ens...
Dublin, Ireland
Fluke PM6685R
- Manufacturer: Fluke
- Model: PM6685
Details The Fluke PM6685R is a precision time‑and‑frequency counter featuring a built‑in Rubidium atomic timebase. It delivers ultra‑stable measurements, achieving 4 × 10⁻¹⁰ stability within five minutes of warm‑...
Dublin, Ireland
Fluke PM6680B
- Manufacturer: Fluke
- Model: PM6680
Details The Fluke PM6680B Frequency Counter is the advanced successor to the PM6680, designed with high-resolution measurement capability. It offers rapid trigger level acquisition as fast as 85 ms at 10 kHz, ens...
Dublin, Ireland
Keithley 775A
- Manufacturer: Keithley
- Model: 775A
Programmable & Dual Channel Counter / Timer - DC - 120MHz The Keithley 775A is a nine digit, microcomputer based, fully programmable, universal counter / timer. The Counter / Timer 775A measures Frequency A, Freq...
Hounslow, United Kingdom
Trusted Seller
EIP 5484
- Manufacturer: EIP
The 548B Microwave Frequency Counter has automatic amplitude discrimination which enables the instrument to automatically select and measure the input signal with the highest level, and ignore all of the harmonic...
Poggibonsi, Italy
GFC-8270H/8131H Digital Frequency Meter (discontinued)
- Manufacturer: 固纬电子/GWINSTEK
Introduction: 8270H/8131H adds extremely high sensitivity in the GHz range: high stability timing, resolution of 1Hz at 100ns, response time of 7 bits per second for instantaneous updates, adjustable trigger leve...
Beijing, China
EIP 548B
- Manufacturer: EIP
EIP 548B Details EIP 548B EIP 548B Microwave Frequency Counter The 548B Microwave Frequency Counter has automatic amplitude discrimination which enables the instrument to automatically select and measure the inpu...
Lake Mary, FL
Tektronix DC503A
- Manufacturer: Tektronix
- Model: DC503A
This Counter offers a broad range of measurement features at an affordable price. Each channel has separate triggering level, triggering slope, attenuator, and coupling mode controls. Eight measurement functions ...
Webster, MA

12

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.