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Used same in USA

Trusted Seller
HP HEWLETT PACKARD 5385A FREQUENCY COUNTER T30125
- Manufacturer: HP
Equipment is in good cosmetic conditions. Channel A is working properly but channel B has an error. For parts or repair only Extra Information Brand: HP Hewlett Packard MPN: 5385A Shipping Weight: 6 LBS Shipping ...
$250 USD
El Paso, TX
Trusted Seller
HP 53132A
- Manufacturer: HP
- Model: 53132A
225 MHz 2 Channel Universal Counter The 53132A high-performance counter gives you fast, precise frequency measurements at an affordable price. For applications requiring higher resolution, the 53132A offers the s...
Cary, NC
Trusted Seller
Hewlett Packard 53132A
- Manufacturer: HP
- Model: 53132A
225 MHz 2 Channel Universal Counter The 53132A high-performance counter gives you fast, precise frequency measurements at an affordable price. For applications requiring higher resolution, the 53132A offers the s...
Cary, NC
Trusted Seller
Hewlett Packard 53150A
- Manufacturer: HP
- Model: 53150A
20 GHz CW Microwave Frequency Counter The 53150A is a full-featured 20 GHz CW microwave counter and power meter that is perfectly suited for bench top or ATE environments, yet is tough enough to handle the most r...
Cary, NC
Trusted Seller
HP 53150A
- Manufacturer: HP
- Model: 53150A
20 GHz CW Microwave Frequency Counter The 53150A is a full-featured 20 GHz CW microwave counter and power meter that is perfectly suited for bench top or ATE environments, yet is tough enough to handle the most r...
Cary, NC
Trusted Seller
Tracor 527A
- Manufacturer: Tracor
Frequency Difference Meter The 537A Frequency Difference Meter is designed for instant determination of fractional frequency difference, with an accuracy of one part in 10E-11, between two stable oscillators. It ...
Cary, NC
Trusted Seller
Tracor 537A
- Manufacturer: Tracor
Frequency Difference Meter The 537A Frequency Difference Meter is designed for instant determination of fractional frequency difference, with an accuracy of one part in 10E-11, between two stable oscillators. It ...
Cary, NC
Trusted Seller
Tracor 527E
- Manufacturer: Tracor
Frequency Difference Meter The solid-state 527E Frequency Difference Meter is designed for instant determination of fractional frequency difference, with an accuracy of one part in 10E-11, between two stable osci...
Cary, NC
Trusted Seller
Tremetrics 527E
- Manufacturer: Tremetrics
Frequency Difference Meter The solid-state 527E Frequency Difference Meter is designed for instant determination of fractional frequency difference, with an accuracy of one part in 10E-11, between two stable osci...
Cary, NC
Trusted Seller
Hewlett Packard 5347A
- Manufacturer: HP
- Model: 5347A
20 GHz Microwave Counter / Power Meter The 5347A 20 GHz Microwave Counter / Power Meter offers the convenience of a single instrument that makes frequency and power measurements with accuracy and resolution compa...
Cary, NC
Trusted Seller
HP 5348A
- Manufacturer: HP
- Model: 5348A
26.5 GHz Microwave Counter / Power Meter The 5348A 26.5 GHz Microwave Counter / Power Meter offers the convenience of a single instrument that makes frequency and power measurements with accuracy and resolution c...
Cary, NC
Trusted Seller
HP 5347A
- Manufacturer: HP
- Model: 5347A
20 GHz Microwave Counter / Power Meter The 5347A 20 GHz Microwave Counter / Power Meter offers the convenience of a single instrument that makes frequency and power measurements with accuracy and resolution compa...
Cary, NC
Trusted Seller
Racal Dana 1991
- Manufacturer: Racal
- Model: 1991
160 MHz Universal Timer / Counter The Racal 1991 Universal Timer / Counter measures Frequency, Period, Time Interval, Ratio, Totalize, Phase, and Peak Amplitude. The 1991 Frequency range from DC to 160MHz; Channe...
Cary, NC
Trusted Seller
HP 53181A FREQUENCY COUNTER 3 GHZ. M5749
- Manufacturer: HP
Tested and working properly on both channels up to higher frequencies (225 MHz and 3 GHz) Missing the back panel plastic bezel There are some minor cosmetic damage In very good working condition The cable shown i...
$599 USD
El Paso, TX
Tektronix DC5009
- Manufacturer: Tektronix
- Model: DC5009
The DC 5009/ DC 509 sigle-width Universal Counter/Timers provide all of meaasurement functions of the higher performance DC 5010/ DC 510 except rise time/fall time,null, and totalize A+-B. The powerfull reciproca...
Farmingdale, NJ

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.