Thorlabs

Thorlabs PM122

700nM Laser Optical Power Meter
400 nm - 1100 nm Wavelength Range
100 nW - 200 mW Power Range
Silicon Photodiode Detector Type
4-Digit LCD Display Display
Power (W) and Power Level (dBm) Measurement Modes
Attribute Value
Wavelength Range 400 nm - 1100 nm
Power Range 100 nW - 200 mW
Detector Type Silicon Photodiode
Display 4-Digit LCD Display
Measurement Modes Power (W) and Power Level (dBm)
Connector Type Removable FC/PC Fiber Adapter
Power Supply 9 V Battery (included)
Battery Life Approximately 30 Hours
Operating Temperature 10 °C to 40 °C
Dimensions 122 mm x 70 mm x 28 mm (4.80" x 2.76" x 1.10")
Calibration Form Thorlabs PM122

Repair Form Thorlabs PM122
Maximum file size: 40MB

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ModelPM122

The Thorlabs PM122 is a precision optical power meter featuring a Ge photodiode sensor (S122B) with sensitivity from about 35 nW to 35 mW over the 700‑1800 nm wavelength range. It offers a graphical LCD display, interchangeable sensors, and supports remote connectivity for data logging and control.

It is ideal for measuring laser output, fiber optics research, and other photonics applications requiring high sensitivity in the Near‑Infrared. The wide dynamic range and sensor compatibility make it versatile for both low‑power and moderate‑power optical measurements.

Testwall can supply the used Thorlabs PM122, fully tested. With expert support and global delivery, Testwall ensures high‑performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Thorlabs PM122.

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