Instrument Expert
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 3A-IS-IRG is an integrating sphere InGaAs photodiode laser measurement sensor for divergent beams up to +/-40 degrees. It has a 12mm aperture and can measure from 1μW to 3W. It covers the spectral range from 0.8 to 1.7μm. The sensor comes with a 1.5 meter cable for connecting to a meter or PC interface.
| Aperture | ?12mm |
| Spectral Range | 800-1700nm |
| Power Range | 1μW-3W |
| Dimensions | 68 L x 95 W x 46 D (mm) |
| Max Pulse Energy | 500μJ |
| Max Average Power Density | 0.2kw/cm2 |
| Max Average Power Density | 0.2 s |
| Max Average Power | 3W |
What is the difference between the "port plug" (white) and the "port cover" (black) in the integral ball accessories provided?
Unused ports should be closed to prevent unwanted light from entering the sphere. Close it with the diffuse white port plug, and add the surface area of the plug to the (diffuse white) effective area of the sphere being "integrated". For a calibrated integrating ball sensor, this change in the ball's behavior will change its calibration and result in incorrect readings. In such applications, black "port covers" should be used.
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