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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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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.
| 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 |
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.
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