Thorlabs PM20C Optical Power Meter

Product Name: Thorlabs PM20C Fiber Optic Power Meter

Spectral Range: 800 nm – 1700 nm (InGaAs sensor) 

Optical Power Range: –60 dBm to +13 dBm (equivalent to approximately 1 nW to 20 mW)

Detector Type: InGaAs photodiode, with a Ø2 mm active sensor area and SM05-threaded aperture for fiber adapters  

Included Adapter: Comes with a wide-key FC fiber adapter

Display & Units: Alphanumeric 8-digit LCD; supports measurements in W, dBm, dB, etc.

Features:

• Absolute and relative power measurements

• NIST-traceable wavelength calibration at 5 nm increments

• Powered by an internal rechargeable NiMH battery (6 V pack), with ~50 hours of operation between charges