Thorlabs PM300E

| Attribute | Value |
|---|---|
| Power Measurement Range | 100 pW to 200 W (Detector Dependent) |
| Display | Backlit LCD, 4-Digit Numeric Display |
| Wavelength Range | 400 nm to 1100 nm (Si Detector), 700 nm to 1800 nm (Ge Detector), 800 nm to 1700 nm (InGaAs Detector) |
| Connector Type | 9-Pin D-Sub Female Detector Connector |
| Interface | RS-232 Serial Interface for PC Communication |
| Power Supply | 9 V Battery or AC Adapter (110/220 VAC) |
| Measurement Modes | Power (W), Power Density (W/cm²), dB, dBm |
| Zeroing | Manual Zero Offset Adjustment |
| Compatible Detectors | Thorlabs S-Series Photodiode and Thermal Power Sensors |
| Operating Temperature | 0 °C to 40 °C |
| Model | PM300E |
|---|
The Thorlabs PM300E is a benchtop optical power meter console engineered for precise, real-time monitoring of laser and optical sources. With a bright digital display and user-friendly interface, it supports a wide variety of Thorlabs sensor heads for versatile use. Its USB connectivity simplifies data logging and integration with automated systems, while the compact and rugged build ensures reliability in both laboratory and industrial environments.
Ideal for research, manufacturing, and calibration tasks, the PM300E provides stable and repeatable results that guarantee dependable optical power measurements across different applications.
Testwall can supply the used Thorlabs PM300E, 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 PM300E.




