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Virtual Optical

Power Meter

841-P-USB

User’s Manual

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Summary of Contents for 841-P-USB

Page 1: ...Virtual Optical Power Meter 841 P USB User s Manual...

Page 2: ......

Page 3: ...products which have been repaired or modified without Newport s written approval or products subjected to unusual physical thermal or electrical stress improper installation misuse abuse accident or n...

Page 4: ...quipment Radio frequency disturbance characteristics Limits and methods of measurement Class A EN 61000 4 2 2009 Electromagnetic compatibility EMC Part 4 2 Testing and measurement techniques Electrost...

Page 5: ...rn the product to Newport Corporation freight prepaid clearly marked with the RMA and we will either repair or replace it at our discretion Newport is not responsible for damage occurring in transit a...

Page 6: ...radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will no...

Page 7: ...that this product must not be disposed of with regular waste Instead it is the user responsibility to dispose of waste equipment according to the local laws The separate collection and recycling of th...

Page 8: ...tructure 7 2 3 1 Display Menu 8 2 3 1 1 Histogram 8 2 3 1 2 Tuning Needle 8 2 3 1 3 Status 9 2 3 1 4 Statistics 9 2 3 2 Settings Menu 10 2 3 2 1 Wavelength Setting 10 2 3 2 2 Data Sampling Settings 11...

Page 9: ...3 4 Help About 19 2 3 5 Shortcut buttons 20 3 Command Reference 20 4 USB Installation and Upgrades 24 Verify COM Port 25 4 1 Free Software and Firmware Upgrades 25 5 Service Information 26 6 Appendix...

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Page 11: ...into a virtual 841 P USB power meter See Chapter 2 for instructions on getting started Easy software upgrades Keep in touch with the latest improvements to our user friendly software You can download...

Page 12: ...full scale Response Time accelerated with 818P series detectors 1 sec Sampling Frequency 10 Hz Energy Specifications Energy Mode Energy Range 10 mJ to 20 kJ Virtual Energy Scales 3mJ 10mJ 30 mJ 100 mJ...

Page 13: ...pment such as an oscilloscope a chart recorder a computer with an analog interface a voltmeter etc This should be terminated into 1 M or greater impedance The user must enter the maximum value in the...

Page 14: ...s to 10 Watts 1 025 V corresponds to 5 Watts Specifications of the analog output Maximum output voltage 2 05 V Output impedance 274 Connector type Female 1 8 jack 3 Detector Input Connector The 841 P...

Page 15: ...terminated with a 15 pin DB15 connector All calibration and technical data required for optimum operation of the detector will be automatically downloaded from the EEPROM in the DB15 connector This d...

Page 16: ...the 841 P USB 9 To reset the zero wait until the reading has stabilized and select Zero Offset in the Ctrl Control menu You are now ready to make an accurate measurement Low Power zeroing 10 To set a...

Page 17: ...peration Refer to Figure 2 1 for a schematic view of the menu structure The menus differ depending on the type of detector that is currently being used The Display menu lets you view the status and yo...

Page 18: ...am Right click on the histogram to set the time period to view Set X Axis reset the display or select a scale Note that the Auto Scale on the histogram starts from the lowest scale and only does scale...

Page 19: ...late with large variations Use a fixed scale in this case 2 3 1 3 Status Figure 2 4 Status window example The Status window displays the detector name and various settings 2 3 1 4 Statistics Figure 2...

Page 20: ...to each detector head are also available and automatically loaded from the detector EEPROM Data sampling and trigger level as well as the commands for saving and loading your settings are also found...

Page 21: ...ng the detector with its attenuator then you will need to calculate the correction factor using your detector s Calibration Report The correction factor multiplier Cf is the responsivity of the detect...

Page 22: ...P PTP Time Time elapsed since beginning the sample Repetition Rate Frequency of pulses coming from the laser PRR To Activate the Statistics select Statistics from the Ctrl menu and then select Start...

Page 23: ...heck it during the day and have it stop and hold the last 5 minutes worth of statistics after 20 hours Figure 2 7 Data sampling window Table 2 2 Data Sampling Parameters PARAMETER Choices Description...

Page 24: ...by pressing the down arrow key until Yes appears on the screen then press the right arrow key Selecting Yes writes a time stamp with each data point This is a relative time stamp that always begins w...

Page 25: ...complies with the power and energy limits of the detector head Note that the Statistics are computed for the corrected values only To disable the correction factor re select the Correction Factor mul...

Page 26: ...n noisy environments To change the Trigger Level value access the dialog box by selecting Trig Level from the Settings menu and enter the desired number in absolute value The 841 P USB will not detect...

Page 27: ...r the user should always set the wavelength after enabling or disabling the attenuator correction 2 3 2 9 Set Max Analog Out Range The Set Max Analog Out Range setting allows you to choose the maximum...

Page 28: ...t software startups 2 3 2 12 Save and Load User Settings The 841 P USB can remember and recall any number of settings You can share the 841 P USB without the hassle of having to re enter your settings...

Page 29: ...ins storing raw data according to your Data Sampling settings see section 2 3 2 2 and Table 2 2 If you will be putting the information into a spreadsheet use the Save Both option All the raw data will...

Page 30: ...mmand Reference Commands Description Return Example ATT Turns the attenuator correction ON when available for the detector ACK r r n ATF Turns the attenuator correction OFF OFF by default ACK r r n CA...

Page 31: ...ng ACK ACK r r n PWC Wavelength correction value 5 characters Example PWC01064 selects the wavelength 1064 nm ACK r r n TLC Modifies the trigger level in energy mode 8 characters Example TLC2 00E 02 s...

Page 32: ...01 selects a multiplication factor of 10 ACK r r n OFF Modifies the offset 8 characters Example OFF 2 0E 00 selects a user offset of two watts ACK r r n CMW Turns the Energy Mode ON ACK r r n CMX Tur...

Page 33: ...Mode is not available E03 N A E04 The selected wavelength correction factor is not valid E05 The connector is not connected E06 Attenuator not available Communication Settings Bits per second 57600 Da...

Page 34: ...l open that says Found New Hardware USB Device and after several seconds to a minute the Found New Hardware Wizard will appear Insert the Newport Software CD ROM if not done already For Windows 2000 X...

Page 35: ...will need it for the communication menu of the PC 841 P USB 4 1 Free Software and Firmware Upgrades Keep up to date with the latest version of the 841 P USB software including new features and options...

Page 36: ...form located on the following page and have the information ready when contacting Newport Corporation Return the completed service form with the instrument To obtain warranty service contact your near...

Page 37: ...the calibration seal or opening the monitor will void the solo warranty The complete Monitor contains 1 Monitor 1 USB cable 1 Instruction manual 1 Calibration certificate 1 Software cdrom 6 1 1 2 Sepa...

Page 38: ...28 6 1 1 3 Dismantling procedure Opening the monitor Aluminium Enclosure Remove screws Remove Nut Plastic Protectors Remove Screws Electronic PCB inside...

Page 39: ...__________________________________________________________________________ ___________________________________________________________________________________ _________________________________________...

Page 40: ...______ ___________________________________________________________________________________ ___________________________________________________________________________________ _________________________...

Page 41: ...Newport Corporation Irvine California Evry and Beaune La Rolande France have all been certified compliant with ISO 9001 by the British Standards Institution Mountain View California is DNV certified...

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