Test, Lab, Medical equipment » Frequency Counters

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18

Used mainframes

Trusted Seller
HP 5245L
- Manufacturer: HP
- Model: 5245L
50 MHz Electronic Counter Mainframe HP 5245L 50 MHz Electronic Counter Mainframe and other Frequency Counters - DC to 200 MHz for sale at Test Equipment Center.
Cary, NC
Trusted Seller
Hewlett Packard 5245L
- Manufacturer: HP
- Model: 5245L
50 MHz Electronic Counter Mainframe Hewlett Packard 5245L 50 MHz Electronic Counter Mainframe and other Frequency Counters - DC to 200 MHz for sale at Test Equipment Center.
Cary, NC
Trusted Seller
HP 5345A
- Manufacturer: HP
- Model: 5345A
500 MHz Universal Electronic Counter The 5345A is a high performance, DC to 500 MHz Electronic Counter. It uses a reciprocal counting technique to achieve impressive resolution compared to conventional counters. ...
Cary, NC
Trusted Seller
Hewlett Packard 5345A
- Manufacturer: HP
- Model: 5345A
500 MHz Universal Electronic Counter The 5345A is a high performance, DC to 500 MHz Electronic Counter. It uses a reciprocal counting technique to achieve impressive resolution compared to conventional counters. ...
Cary, NC
Trusted Seller
Tektronix 7D15
- Manufacturer: Tektronix
- Model: 7D15
The Tektronix 7D15 is a Digital Multimeter Plug-In. This plug-in has a DC-225 MHz range. The 7D15 is designed to be used in all 7000-Series oscilloscope mainframes that have CRT readout. The 7D15 can be completel...
Cary, NC
Trusted Seller
Hewlett Packard 86222A
- Manufacturer: HP
- Model: 86222A
10 MHz to 2.4 GHz RF Sweeper Module The 86222A Sweep Oscillator Plug-In covers from 10 MHz to 2.4 GHz with continuous sweeping capability. Internally leveled flatness of 0.25 dB over full range. Basic accuracy in...
Cary, NC
Trusted Seller
Hameg Instruments HM8021-4
- Manufacturer: Hameg
- Model: HM8021-4
Frequency range: 0 Hz – 1.6 GHz 10 MHz time basis with o.5 ppm stability (TCXO) Input A:Input impedance 1 MΩ, maximum sensitivity 20 mVrms Input C:Input impedance 50 MΩ, maximum sensitivity 30 mVrms Time interval...
New Smyrna Beach, FL
Tektronix DC5010
- Manufacturer: Tektronix
- Model: DC5010
The DC5010 Frequency Counter Plug-In makes frequency measurements to 350 MHz. Measurement functions include: Reciprocal Frequency Measurement, Period, Width, Time from A to B, Events B during A, Totalize A, A+B, ...
Farmingdale, NJ
Trusted Seller
Tektronix DC5010
- Manufacturer: Tektronix
- Model: DC5010
Makes frequency measurements to 350 MHz Functions include: Reciprocal Frequency Measurement, Period, Width, Time from A to B, Events B during A, Totalize A, A+B, A-B, Ratio, Rise/Fall, Time Manual, Arming, and Nu...
New Smyrna Beach, FL
Tektronix DC509
- Manufacturer: Tektronix
- Model: DC509
Tektronix DC509 Details Tektronix DC509 Designed to operate in TM 500 Series Mainframes, the DC509 Counter Module is applicable for bench and lab applications where performance levels are critical and is also ide...
Lake Mary, FL
Tektronix DC5010
- Manufacturer: Tektronix
- Model: DC5010
Tektronix DC5010 Details Tektronix DC5010 The DC5010 Frequency Counter Plug-In makes frequency measurements to 350 MHz. Measurement functions include: Reciprocal Frequency Measurement, Period, Width, Time from A ...
Lake Mary, FL
Tektronix DC5010/01
- Manufacturer: Tektronix
- Model: DC5010
Tektronix DC5010/01 Details Tektronix DC5010/01 The DC5010 Frequency Counter Plug-In makes frequency measurements to 350 MHz. Measurement functions include: Reciprocal Frequency Measurement, Period, Width, Time f...
Lake Mary, FL
Tektronix 7D15
- Manufacturer: Tektronix
- Model: 7D15
Tektronix 7D15 Details Tektronix 7D15 The 7D15 Universal Counter / Timer Plug-In is designed for use in all 7000-Series oscilloscope mainframes having CRT readout. The unit can be completely controlled by the osc...
Lake Mary, FL
Tektronix 7D15
- Manufacturer: Tektronix
- Model: 7D15
The Tektronix 7D15 is a Digital Multimeter Plug-In. This plug-in has a DC-225 MHz range. The 7D15 is designed to be used in all 7000-Series oscilloscope mainframes that have CRT readout. The 7D15 can be complet...
Webster, MA
Tektronix DC508
- Manufacturer: Tektronix
- Model: DC508
This Counter is designed to operate in TM 500 / TM 5000 series mainframes and measures frequency from 10Hz to 1GHz Separate inputs are used for the 10Hz to 100MHz, and 100MHz to 1GHz A switch selectable frequenc...
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.