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PD300-CIE Photometric Sensor

Updated:2025-03-13

Brand:OPHIR
Model: PD300-CIE
Description: The PD300-CIE is a photometric sensor with swivel mount. It has an eye response curve sensor and measures in units of Lux . Its measurement range is from 20mLux to 200kLux. The sensor comes with a 1.5
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Product Details

Overview of PD300-CIE photometric sensor:

The PD300-CIE is a photometric sensor with swivel mount. It has an eye response curve sensor and measures in units of Lux . Its measurement range is from 20mLux to 200kLux. The sensor comes with a 1.5 meter cable for connecting to a meter or PC interface.

PD300-CIE Sensor Drawing：

Main parameters:

Aperture	2.4x2.8mm
Spectral Range	400-700nm
Power Range	20mLux-200KLux
Dimensions	118 L x 10 W x 18 D (mm)
Max Pulse Energy	1μJ
Max Average Power Density	10W/cm2
Response Time	0.2s
Max Average Power	200kLux

Problem summary:

Operating principle of photodiode sensor

When a photon source (such as a laser) is aligned with a photodiode detector, a current is generated that is proportional to the light intensity and depends on the wavelength. Since the power of many low-power lasers is about 5 to 30mW, while most photodiode detectors are saturated at about 2mW, PD300 sensors are built with built-in filters, so the basic sensors can measure power up to 30mW without saturation. The PD300 sensor series can measure power up to 300mW or 3W, depending on the model, with the help of an additional removable filter.