3.4 Operating Instruction
PM100 / page 29
To suppress interferences with line frequency adjust the control
to the frequency of your local mains supply to 50Hz or 60Hz.
2 Wavelength Correction
Allows to set 5 preset wavelengths that can be toggled by the λ-button.
Adjust the wavelengths to your needs by editing the numerical input
fields. The wavelengths can be entered with 1nm precision. Note, that a
semiconductor sensor with wavelength correction table has to be con-
nected to the instrument. The PM100 will store and recall the preset
wavelength settings for up to 5 different sensors.
3 User Calibration
Allows to set a ratio from -20.00dB up to 30.00dB that will be taken in
account to all following power measurements. The ratio value is coupled
to the connected power sensor. The device stores and recalls a calibra-
tion value for up to 5 different sensors.
4 Dark Current Adjustment / Zeroing
This menu comes as a wizard with 3 steps that allows the dark current
adjustment of semiconductor sensors and zeroing thermal sensors. The
value will be stored and recalled for up to 5 different sensors and con-
sidered in all power measurements.
5 Interface
5-1 Baudrate
Sets the interface baud rate. Possible settings are 2400, 4800, 9600,
19200, 28800, 38400, 57600 and 115200 baud.
3.4.11 Special Topics
3.4.11.1 Analog output
The SMA analog output connector provides a voltage proportional to the measured
power. The voltage range goes from 0 up to 4.095V and has a resolution of 12 bits.
0V represent 0W. The ratio between Voltage and Power in mW can be set in the
system menu.
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