PN 10795T 16
Note: You must save all settings by pressing and holding the OFF/CANCEL button until the display
blanks. If the H410 is turned off, by using the ON/OFF slide switch, before settings are saved they will
be lost.
You can transfer a calibration from a calorimeter to a Vector pyroelectric detector using the Transfer
Calibration function of the H410. This function allows adjustment of the output sensitivity of your Vector
pyroelectric detector in combination with your H410 meter in order to match the average power reading
from the H410 to that of a NIST certified system. Typically, a 50/50 beam splitter is used with the Vector
pyroelectric detector to be calibrated in one beam path and the NIST certified calorimeter in the other
beam path.
To enter into the transfer calibration mode:
A. Press the MODE button to start a menu cycle of J, AVG J, W, CAL and tO.
B. Press the ON/SELECT button when the CAL annunciator appears. A second menu cycle of CAL
1, CAL 2, Attn and SPd will start.
C. Press the ON/SELECT button when the CAL 2 annunciator appears. The average power (W)
mode will automatically be selected and SET CAL will flash.
D. Direct the laser beam through the calibrated beam splitter onto both the pyroelectric detector and
the calorimeter transfer standard.
E. Adjust the power reading of the H410 by using the RANGE (count up) and MODE (count down)
buttons to agree with the transfer standard.
F. Press the ON/SELECT button. The power meter is now calibrated and will return to the last
operational state.
G. Press and hold the OFF/CANCEL until the display blanks to save the setting.
H. Press the ON/SELECT button to turn the H410 back on.
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