PD300RM-8W | LED Measurement | Power Sensors - Ophir

PD300RM-8W

7Z02480

PD300RM-8W LED和激光辐射计代替只校准单波长(254nm、365nm等)的传统辐射计,提供广泛光谱范围的标定,提供广泛光谱范围的标定,用户可通过输入标定范围内的任何波长进行使用。PD300RM是一款通用型圆筒形几何形状光电二极管辐照度和剂量传感器,具有8mm孔径和余弦校正散射片。其光谱范围为350-850nm,辐照度测量范围为0.2μW/cm² - 8W/cm²。该传感器配备一根1.5米电缆,用于连接至一个主机仪表或PC接口。

  • Ø8mm
  • 350-850nm
  • 0.2μW/cm²-8W/cm²
  • Ø35 W x 21 D (mm)
  • 50W/cm²
  • 0.2 s
  • -0.03%/°C
  • 10%
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Can I measure white LEDs with the PD300RM?

No, white LEDs have wideband spectrum. Try the PD300CIE for illuminance (lux) measurement.

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Can I measure a laser with the PD300RM?

Yes, in applications where a laser beam is diverging or diffused, such as laser projectors, PD300RM can be used to measure the irradiance with high accuracy. However, it is not applicable for measuring a collimated laser beam. Use the PD300 for that.

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Can I measure a mercury lamp with the PD300RM-UV?

No, the PD300RM is a broadband detector. It doesn’t have a filter to isolate specific emission lines such as mercury lamp lines (365nm, 254nm) or spectral bands such as UVA, UVB. Custom solutions with filters are available; contact Ophir for more information.

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What is the accuracy of the PD300RM for LEDs and for lasers?

The accuracy when measuring irradiance of laser sources is easy to determine because lasers have very narrow bandwidth and their wavelength is well known. The accuracy for laser measurement is given in the specifications. When measuring the irradiance of LED sources, other issues such as bandwidth and wavelength tolerance come into play. For more details and specifications see the white paper.

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What is the purpose of the PD300RM's diffuser?

In order to get a good cosine corrected response, a diffuser is placed in front of the photodiode to convert directional light into lambertian diffused light, thus eliminating any sensitivity to direction.

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Do I need to recalibrate my instrument? How often must it be recalibrated?

Unless otherwise indicated, Ophir sensors and meters should be recalibrated within 18 months after initial purchase, and then once a year after that.

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Measuring LED Irradiance and Dosage with the PD300RM Measuring LED Irradiance and Dosage with the PD300RM
Measuring Power of LEDs: UV, Visible and NIR Measuring Power of LEDs: UV, Visible and NIR Measuring Power of LEDs: UV, Visible and NIR

Measuring the emitted power of an LED can be tricky; it is different in some important ways from measuring the power of a laser beam. This video shows you how to use the Ophir 3A-IS Integrating Sphere Sensor, along with the Auxiliary LED accessory, to easily make accurate measurements in LED applications.

Does your application involve irradiating a target surface with an LED? UV curing of adhesives is one example of such an application. Ophir’s new PD300RM sensor family measures irradiance and dosage for UV and Visible LEDs. This video explains what the PD300RM does, what is so unique about it, and how to use it.

Tutorials and Articles

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In many industries LEDs are replacing traditional broadband light sources such as mercury, deuterium, Xenon, and quartz-halogen lamps. Systems and applications transitioning to LEDs are reengineered in terms of optics, electronics, heat management and more. Similarly, the equipment used by professionals to measure the output of these sources needs to be fitted for measuring LEDs.

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Applications: Designing Low Cost Inspection Process for LED’s

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Accessories

Customers that purchase the above items also consider the following items. Ophir-Spiricon meters and sensors include a standard manufacturers warranty for one year. Add a one year Extended Warranty to your meter or sensor, which includes one recalibration.

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