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PM103x Optical Power Meter Interfaces Chapter 4 Operating Instructions
4.3.3 Sensor Calibration
All models of the PM103x can be used to calibrate signal detected by Thorlabs photodiodes to a known
reference.
For this, the Sensor Calibration Tool within the software Optical Power Monitor is used. All the user
needs to provide is a signal from a reference sensor. The signal from the sensor to be calibrated is then
adjusted and the calibration along with the serial number of the calibrated sensor and the reference
are saved in the power meter EEPROM and are retrieved by the software. Please see the manual of the
OPM for more information.
4.3.4 Firmware Update
To update the firmware of the PM103x, please download the latest firmware through the OPM website
and use the Firmware Update Tool in the software Optical Power Monitor (OPM). For more
information, please see the manual of the OPM.
Chapter 5 Specifications
5.1 PM103 /A /U
All technical data are valid at 23 ± 5°C and 45 ± 15% rel. humidity (non condensing).
USB, RS232, UART
Autonomous Operation
USB, Analog,
Autonomous Operation
Current Input
(Photodiode Sensor)
21 Ranges:
nA: 2, 4, 10, 20, 40, 100, 200, 400;
µA: 1, 2, 4, 10, 20, 40, 100, 200, 400;
mA: 1, 2, 4, 10
Range Selectable [W], Sensor Dependent
1 pA / Responsivity Value (A/W)
±0.2% Full Scale (400 nA - 10 mA)
±0.5% Full Scale (2 nA - 200 nA)
DC - 150 kHz, Dependent on Sensor and Settings
Diameter 1/e² or Rectangular x,y
Voltage Input
(Pyroelectric Sensors)
J, J/cm², W, dBm, W/cm², V
13 Ranges;
mV: 20, 40, 100, 200, 400;
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