PN 10795T 29
absorption rate of calibration wavelength = attenuation factor
absorption rate of the new wavelength
The attenuation factor can be entered into the H410 as described in step 9.
Using the H410 with Scientech Photodiode Detectors
Be sure the photodiode detector is appropriate for the laser measurements you plan to make. Please
familiarize yourself with the detector’s operation specifications before you use it.
Note: Photodiode detectors can only be used to measure continuous wave lasers.
1. To Turn On the Meter
Note: For the most accurate measurements possible, the H410 should be turned on and warmed up for 30
minutes.
Slide the ON/OFF switch, located on the upper right side of the H410, to the ON position. The power
meter will immediately turn on in the operational state last used. If you purchased the H410 with one
detector, this detector’s operating parameters will be in the power meter’s memory and you are ready to
take measurements.
If you purchased more than one detector with the H410, you must make sure the operating parameters for
the detector you plan to use are in the power meter’s memory. For detailed instructions please refer to the
operating parameters listed on page 2 and the following procedure.
2. Turn the Analog Needle On or Off (does not apply to the H410D)
To turn the analog meter on or off, press and keep holding down the ON/SELECT button. Then release
the button after the meter appears or disappears.
3. Zero the Analog Needle (does not apply to the H410D):
Refer to Figure 1. The black slotted button located just below the display allows screwdriver adjustment
to set the analog needle to zero. This adjustment should be made before connecting the detector.
4. To Connect a Photodiode Detector
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