N9020A MXA Signal Analyzer

Accelerate the Development of Wireless Devices with the Speed, Performance & Applications to Adapt to Evolving Test Requirements

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N9020A MXA Signal Analyzer

8753ES Network Analyzer

Attain Unrivaled Excellence. Find Out Why Over 70% of Engineering Teams Around the World Select Keysight Network Analyzers

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8753ES Network Analyzer

SM200B Spectrum Analyzer

The High Performance SM200B From Signal Hound: High Performance Speed, Accuracy, Security, and Agility Meet Very Low Cost

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PM140 - Thorlabs Optical Power Meters


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  • Model: PM140
  • Manufactured by: Thorlabs
  • Type: Laser
  • High end wavelength limit: 1100 nm
  • Measurement Units: dB, dBm, Watt
  • Extra Specifications: Digital Display w/ Sensor S140A, 1µW-1W 400-1100nm
Do you have a PM140 you want to sell?
We buy used equipment!
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Thorlabs PM140 Overview

The PM140 Series incorporates our Integrating Sphere Sensors to enable precise measurements widely independent of beam shape and entrance angle. It is especially useful for measuring highly divergent beams leaving optical fibers or beams with higher power.
The sensors are available for a wavelength range of 400-1700nm and for a power range of 1μW to 1W.
The unit is supplied with an FC fiber adapter. Most industry standard fiber adapters including FC, ST, SC, bare fiber, and SMA, are available as accessories and can be easily installed.
Two sets of #8-32 and M4 threaded mounting holes allow mounting into our standard post and post holders.
The PM140 Series comes with an integrating sphere including a Si or InGaAs detector. This series is ideal for optical power measurements of divergent beams such as at the output of optical fibers. Easily replaceable adapters enable free space measurements as well as the use of FC, SMA or SC fiber connectors.

  • Power Range: 1µW - 1W
  • Wavelength Range: 400 - 1100nm (PM140) or 800-1700nm (PM144)
  • FC Fiber Adapter Included, Other Adapters Available as Accessories: S140-SC & S140-SMA
  • NIST traceable Data Stored in Sensor Head
iso9001 Calibration

Calibration & Test Equipment Repair

The BRL Test Lab offers in-house ISO9001:2015 compliant calibration to its end users and industry professionals with precision accuracy, fast turn-around times, and a seamless customer experience.
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