Ophir Optronics Ltd QSR Manuel D’Utilisation

Appendix B – Calibration, Traceability, and Recalibration

Ophir Photodiode Heads

Table B-2 Maximum Error as a Function of Wavelength and Filter

Wavelength

Error, Filter Out

PD300

PD300 -
3W

PD300 -
UV

PD300 - IR 3A - IS

220-250nm

±6%

250-360nm

±3%

360-400nm ±10% ±10% ±3%

400-950nm ±3% ±3% ±3%

±5%

950-1100nm

±5% ±5% ±5% ±4% ±10%

1100-1700nm

±4%

1700-1800nm

±7%

Note: Add ±2% to error for filter in (±4% for PD300-UV from 220 to

300nm).

User Recalibration

Adjusting Calibration Factors of Photodiode Heads

To adjust the power calibration factor:

1. Click the right mouse button and select Calibrate from the pop-up menu.

Open the Functions menu and select Calibrate. The Adjust Calibration
Factor dialog box appears.

Figure B-5 Adjust Calibration Factor Dialog Box

The Original area displays the original Measurement and Calibration
Factor. The Current wavelength is displayed beneath the Original area.

Note: A different wavelength can be selected in the Measurement Parameters

Area.

StarLab User Guide