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Coherent PowerMax-RS PM2X Power Sensor

Updated:2025-03-13

Brand: Coherent
Model: PowerMax-RS PM2X
Description: This PowerMax-RS PM2X sensor is a compact laser power sensor intended for measuring lasers up to 2W. It incorporates a UV absorber coating that is optimized for use at ultraviolet wavelengths. Spectra
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Product Details

Coherent PowerMax-RS PM2X Power Sensor Description：

Datasheet User's Manual

This PowerMax-RS PM2X sensor is a compact laser power sensor intended for measuring lasers up to 2W. It incorporates a UV absorber coating that is optimized for use at ultraviolet wavelengths. Spectral compensation is available from 157 nm to 1064 nm.

The sensor is terminated in an RS232 cable that interfaces directly to a PC or industrial controller. DB25 (PN 1098457 and USB direct (PN 1257617) models are available.

Compact thermopile sensor with UV coating for measuring pulsed & CW lasers between 5 mW and 2W. Direct RS232 interface.

Key Features:

5 mW to 2W range

19 mm diameter active area

UV coating

0.15 to 1 μm spectral range

Convective air-cooled

Direct RS232 interface

ISO 17025 accredited

Specifications

Cable Type

RS232

Cooling Type

Air

Power Range

5 mW to 2W

Active Area Diameter

19 mm

Detector Coating

Noise Equivalent Power (milliwatts)

0.2

Maximum Intermittent Power (watts)(<5 minutes)

Long-Pulse Joules Range (joules)

0.5 to 2

Wavelength Range (micrometers)

0.15 to 1 μm

Maximum Power Density (kilowatts per square centimeter)

6 kW/cm2

Maximum Energy Density (millijoules per square centimeter)

600 mJ/cm2 10 ns, 1064 nm

Response Time, Speed-up On, 0% to 95% (seconds)

Window

None

Diffuser

None

Calibration Uncertainty (%)(k=2)

±1

Power Linearity (%)

±1

Spectral Compensation Accuracy (%)

±1.5

Calibration Wavelength (nanometers)

514

Cable Length (meters)

0.3

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