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CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

ALMU (Standard, BRDF) / ALMUP (Polarized)

: The

ALMU

cantar technique consists

in measuring the sky radiance in aerosol channels, keeping a constant polar angle
equal to the zenith solar angle with varying azimuthal angle.

In the ALMU scenario, azimuthal angles vary from 0° to +180° for an almucantar right
and 0° to -180° for an almucantar left using:

•

SUN gain on the sun

•

AUREOLE gain between ±3° to ±6° *

•

AUREOLE and SKY gain for ±6° *

•

SKY gain above ±6°

•

The last data is the sensor head temperature.

* The Photometer performs two measurements at ±6°, one with AUREOLE gain and
one with SKY gain.

In the

ALMU

cantar

olarized scenario, azimuthal angles vary from 25° to +160° for an

almucantar right and -25° to -160° for an almucantar left using SKY gain only.

Below is a visual description of the Almucantar and Polarized Almucantar.

Содержание CE318-T

Страница 1: ...Multiband photometer CE318 T User s Manual rev October 2021...

Страница 2: ...6 automatic aerosol LiDARs Of course in an ongoing effort to satisfy your demands as best as possible concerning our products our after sales service department is at your disposal and ready to listen...

Страница 3: ...2 4 Control Unit firmware update 42 3 Control Unit navigation menu 42 3 1 Capacitive key functions 42 3 2 Switch on Switch off Standby 42 3 3 Menu description 43 3 4 SCENARIOS 43 3 5 MEASURES 45 3 6...

Страница 4: ...ication errors 72 GPRS errors 73 FTP communication errors 74 HTTP S communication errors 74 8 Frequently Asked Questions FAQ 74 9 Technical specifications 76 9 1 General 76 9 2 Dimensional drawings 77...

Страница 5: ...antly enhanced to match the new technological challenges for climate observation and monitoring Cimel s photometers are the benchmark devices for most aerosol observing networks and more specifically...

Страница 6: ...iled information The CU gets four keys a yellow push button and a screen display which enable the users to navigate through the menus The features and the menus are described more precisely in chapter...

Страница 7: ...recorded to the CU Detectors can be either silicon and InGaAs detector is used for near infrared wavelengths 1 Front plate lenses and optical chambers entrance a Silicon b InGaAs 2 4 quadrant detecto...

Страница 8: ...ght 1 notch 2 tightening screw 3 alignment hole 4 spot 3 Robot The robot is the component on which the sensor head is attached Its mechanical design enables it to point on whole directions of the sky...

Страница 9: ...d is the supplied infrastructure where the protection case and the robot are fixed and that enables the whole system to be stably fixed on the ground The tray is a part fixed horizontally on the tripo...

Страница 10: ...they must be placed inside the weatherproof case The solar panel that powers the system is incorporated in the case The output plug of the solar panel is a RJ11 connector 1 Cable gland The wet sensor...

Страница 11: ...and protect the sensor head from water when it is raining The output plug of the sensor is a RJ11 connector Standard length of the wire is 3m 7 Sensor head cord The sensor head cord connects the CU an...

Страница 12: ...AH The Mascot 2240 battery charger is provided in case of powering the device through mains 9 Fly case 10 PhotoGetData software PhotoGetData is the software used to communicate from the acquisition PC...

Страница 13: ...ter optional The satellite transmitter is useful in remote places where no reliable PC is available It enables sending the data directly to an appropriate geostationary satellite which has a dedicated...

Страница 14: ...and 1640 nm filters Fig 3 BRDF 12 filters CE318 TU12 It is designed for satellite calibration It uses 415 440 490 555 675 702 740 782 870 937 1020 1640 nm filters Fig 4 Ocean Color OC 12 filters CE318...

Страница 15: ...021 14 Figure 3 POLARIZED type CE318 TP9 VIS UV IR Figure 4 BRDF 12 filters type CE318 TU12 Figure 6 Lake Color 12 filters CE318 TV12 LC Figure 5 Ocean Color 12 filters CE318 TV12 OC Figure 2 BRDF Typ...

Страница 16: ...ions Easy access to facilitate the weekly maintenance of the device The device should be installed in a clear area where it has the largest possible field of view so that it can track the sun from sun...

Страница 17: ...he robot spirit level to make the installation easier 0 4mm m accuracy Tripod mounting The tripod mounting system is designed for easy installation of the photometers in most site conditions 1 Insert...

Страница 18: ...ision V4 10 October 2021 17 6 Attach the tripod feet to the ground with appropriate screws Note Orientate the protection case emplacement South if the location is in the Northern hemisphere or North i...

Страница 19: ...mounting 7 Insert the 4 ribs into the metallic frame in order to fix the case 8 Tight strongly the screw into the ribs with the inside of the case in between 9 Put the foam at the bottom of the case a...

Страница 20: ...he holes through the robot base but don t tight them to the end let a 2 or 3 cm backlash so that the levelling that is done in the next part is easier to do 12 Connect AZ robot AZimuthal motor ZN robo...

Страница 21: ...tion Manual Revision V4 10 October 2021 20 13 Launch a Park scenario in the CU menu The robot will find its zero position 14 Set the horizontal robot axis in the East West direction by manually turnin...

Страница 22: ...at the collimator and the sensor head are completely interdependent There should be no slack while trying to move the collimator after having tightened it 16 Strap the sensor head on the V shaped supp...

Страница 23: ...through the cap and attaching it to the pig tail Connect the computer or the transmitter to the DCP input on the removable terminal block via a RS232 to RJ11 cable Note A slack has to be maintained s...

Страница 24: ...wheels until the spirit level on the top of the robot is centered This part is a little tricky and may take few trials Using an additional tubular sprit level may facilitate this step 19 Set coordinat...

Страница 25: ...position which is the nadir on the polar angle head orientated down If the head is pointing to zenith orientated up unstrap the sensor head reposition it in the opposite sense in the straps and do st...

Страница 26: ...UN scenario the sun spot may not be centered on the target The GPS coordinates UT time and date being received automatically from the satellite the error on the polar axis should be inferior to 1 mm a...

Страница 27: ...he sun spot is centered on the collimator spot at the end of the scenario If a problem occurs please read part 5 3 2 Using a 4 quadrant sensor the TRACK SUN scenario is guiding the robot to the point...

Страница 28: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 27 26 Set the photometer in automatic mode...

Страница 29: ...igh sensibility may lead to overflow On the photometer parameters you have to enable the RG RgEnable RGEN and to input the RG sensor calibration sensibility RgSensibility RGSENS in V W m This sensibil...

Страница 30: ...ount from the satellite manager RS232 communication To transfer the data from the CU to a PC via a RS232 link then follow the steps described below 2 3 1 1 Software configuration Plug the RS232 link t...

Страница 31: ...ally in case of power cut by applying the following changes in the PC setup Put PhotoGetData icon in the Windows start folder Remove any password request while starting the computer Control panel User...

Страница 32: ...includes GPRS transfers and subscribe a subscription Standard daily operation requires a data transmission of 20 Mo month communication protocol It is possible to enable FTP and or HTTP HTTPS simultan...

Страница 33: ...n 2 3 3 2 CE1701A SIM card insertion 2 3 3 3 FTP over GPRS The CU could upload its data automatically to an FTP server The CU initiates the transmission it automatically connects to Internet on the us...

Страница 34: ...start period 00 00 00 23 59 59 00 00 00 Note You have to enter the password for the FTP server For security reason the password is not displayed in the CU and cannot be read back by the user 2 3 3 4...

Страница 35: ...les Maximum length 64 characters Default PORT Communication port used to establish the HTTP S session communication with the HTTP S server 1 65535 80 for HTTP The user has to change the value to 443 m...

Страница 36: ...type submit value Submit file name submit input type file name uploaded_file id uploaded_file form body html Where PATH1 PATH2 is PATH field value in the CE318T parameters Here is an example of the PO...

Страница 37: ...satellite has dedicated communication channel that can be attributed to the Satlink2 First of all to install properly the YAGI antenna the azimuthal and polar angles corresponding to the satellite the...

Страница 38: ...part in the stirrup extremities with the mast in between and tight strongly the nuts 6 Insert the stirrup extremities in the V shaped part with the tubular metallic part in between to fix it 7 Tight t...

Страница 39: ...10 Insert the YAGI antenna into its support Orientate the antenna to the right polar angle 11 Insert the screw in both the YAGI antenna support and the Antenna and tight the nut to the opposite side 1...

Страница 40: ...ite screws until it gets in contact with the mast and tight the 2 nuts 15 Insert the screws in the holes of the V shaped part according to the tilt angle wished for the solar panel step 17 16 Insert t...

Страница 41: ...User Operation Manual Revision V4 10 October 2021 40 18 Insert the screws in the solar panel slides 19 Insert those screws in the panel braces 20 Tight the bolts to fix the solar panel properly 21 YAG...

Страница 42: ...input optional Note It is advisable to buy the cable once the distance there will be between the transmitter and the antenna is approximately known Note 2 Check the LED status for a few minutes after...

Страница 43: ...add new features and fix issues Please refer to the PhotoGetData user manual to get more info PhotoGetData software is available on www cimel fr website in the download section 3 Control Unit navigati...

Страница 44: ...MEMORY SETTINGS DATE CIMEL INFO 3 4 SCENARIOS The SCENARIO menu varies according to the photometer sensor head option The table below lists all scenarios available according to the sensor head used T...

Страница 45: ...RVECROSS 3 SUN BCLSKY 3 SUN 3 SUN GOMOON CROSS GOMOON GOMOON TRACKMOON CURVECROSS TRACKMOON TRACKMOON MOON 3 SUN MOON MOON LTRACK MOON GOMOON LTRACK MOON LTRACK MOON CROSS MOON TRACKMOON CROSS MOON CR...

Страница 46: ...ower supplies Vrg Pyranometer Wetting Measure of the wet sensor wet dry Temp int Temperature inside the CU Hum int Humidity inside the CU Temp ext Temperature on the connector panel board Hum ext Humi...

Страница 47: ...itude of the current electronic box 180 00 180 00 0 0000 Altitude Altitude of the current electronic box 0m 6000m 0m Turbo Enable or disable the Turbo mode OFF ON OFF P Turbo Period between two Group...

Страница 48: ...APRISM CE318 TV12 Polar angle for the sky sea measurements SKY measurements will be done at the horizontal Zsea degrees and SEA measurements at horizontal Zsea degrees 0 180 40 o PNM Number of execute...

Страница 49: ...TP Test Upload a K8 file to an HTTP s server A SIM card is required and the server information must be indicated by the user See chapter 2 3 3 4 2 for detailed information o VERSION Firmware and hardw...

Страница 50: ...scription and sequencing Scenarios may be launched either automatically via the scheduler or in manual mode via the SCENARIO menu see part 3 5 OFF launch OFF scenario PARK Launch PARK scenario The pho...

Страница 51: ...terval defined in SETTINGS menu with P bclsun parameter 3 SUN 3 MOON The 3 SUN 3 MOON scenario consists in repeating 3 times a SUN MOON scenario Temperature is recorded once at the end of the scenario...

Страница 52: ...nm SKY 412 nm SKY 340 nm SKY POL UV 0 1 2 3 Sensor head T C 779 nm 709 nm SKY Sensor head T C Sensor head T C BCLSKY The BCLSKY scenario consists in performing sky and 3 Black measurements The number...

Страница 53: ...0 to 180 for an almucantar right and 0 to 180 for an almucantar left using SUN gain on the sun AUREOLE gain between 3 to 6 AUREOLE and SKY gain for 6 SKY gain above 6 The last data is the sensor head...

Страница 54: ...ean color lake color 1020 nm 1020 nm SKY POL IR 0 1 2 3 1020 nm 1020 nm 1020 nm 1640i nm 1640i nm SKY POL IR 0 1 2 3 1640i nm 1640i nm 865 nm 870 nm 870 nm SKY POL IR 0 1 2 3 870 nm 870 nm 779 nm 709...

Страница 55: ...stant azimuthal angle is kept with varying polar angle to make measurements In the PP scenario polar angles vary from 6 to 150 using AUREOLE gain between 6 to 2 SUN gain on the sun AUREOLE gain betwee...

Страница 56: ...640i nm 1640i nm SKY POL IR 0 1 2 3 1640i nm 1640i nm 865 nm 870 nm 870 nm SKY POL IR 0 1 2 3 870 nm 870 nm 779 nm 709 nm 675 nm 675 nm SKY POL VIS 0 1 2 3 675 nm 675 nm 665 nm 440 nm 440 nm SKY POL V...

Страница 57: ...from 1 to 1 by 0 1 increments using SUN SKY gain with constant polar angle For each pointing position the scenario also acquires service data from the 4 quadrant detector X difference Y difference and...

Страница 58: ...s starting from a polar angle of 5 and finishing with a polar angle of 60 Filters used and the sequence is the same than CIRCLE scenario PRS only with SEAPRISM CE318 TV12 photometers The Sea Prism sce...

Страница 59: ...nm 681 nm SUNP Polarized The SUN Polarized scenario consists in measuring the Sun directly on all polarizers with all filters Filters used and their sequence Polarized 1020 nm SUN POL IR 0 1 2 3 1640...

Страница 60: ...oth individual scenarios and group of measurement scenarios The following groups of scenarios are used Group name Measures Group A 3 SUN Group B 3 SUN HYB 3 SUN HY BP 3 SUN ALMU 3 SUN ALMUP Group C 3...

Страница 61: ...done It is important to notice that night time measurements are not activated by default To activate night time measurements and to choose the measurement period go in the SETTINGS menu on the CU See...

Страница 62: ...11H15 12H45 Group A 11H30 12H30 Group A 11H45 12H15 Group A 12H00 Group C Group F Note If air masses measurements times come after 9H00 or before 15H00 they are skipped The defined times scheduler ge...

Страница 63: ...2h long The group S scenario automatically starts at a round True Solar Time minute if no other scenario is running Note 1 The Almucantar is executed only if the sun zenith is between air mass 4 0 an...

Страница 64: ...N A N A Pol Hybrid Left Right N A 02 00 N A N A N A BRDF N A N A 00 50 00 50 N A PRS N A N A N A N A 00 15 Cross SUN 00 40 00 40 00 40 N A N A Cross MOON 00 40 00 40 00 40 N A N A BLACK 00 04 00 04 0...

Страница 65: ...ng the led status If a problem is encountered please refer to the troubleshooting part 3 Check that the wet sensor functions correctly Clean it lightly with demineralized water and a non abrasive tiss...

Страница 66: ...the GOSUN and the TRACK are correct Launch a GOSUN scenario and look at the position of the sun spot compared to the target on the collimator base If a large shift is visible on the azimuthal axis ple...

Страница 67: ...peration Manual Revision V4 10 October 2021 66 4 Loosen the 2 nuts maintaining the probe clamp 5 Withdraw the screw and the wet sensor with is wire from the protection case 6 Slide the wet sensor to g...

Страница 68: ...ppen that the V shape part of the robot is not perfectly horizontal You can check with a leveler If the case happens 1 Loosen the 2 hexagon socket screws 2 Rotate the robot horizontal axis so that the...

Страница 69: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 68 Flash memory formatting Flash memory can be formatted via a hidden menu by following this procedure...

Страница 70: ...y verification of detectors and replacement if necessary Verification of acquisition chain verification of sun tracking setting and replacement if necessary Maintenance The sensor head internal humidi...

Страница 71: ...r are A power cut happened and the PC restart has not been executed properly The serial wire is not correctly plugged or KO The serial port is down PhotoGetData is not well configured DCP parameter is...

Страница 72: ...oltage battery is over 12V Check that the cable is OK and correctly plugged between the transmitter and the photometer Check the transmitter functioning status LED and up to the status follow the tran...

Страница 73: ...not plugged correctly Connections are rusted marine spray The battery is too old or broken Procedure to follow Check if the cables are correctly plugged and the cables are not damaged Check if the ba...

Страница 74: ...e protocol In case of error the steps 1 to 3 are identified as GPRS errors The step 4 is an error returned by the server so refer to the chapter FTP communication error or HTTP S communication error G...

Страница 75: ...ways fails to upload data Procedure to follow Try to connect to the HTTP S server using a web navigator on a PC Correct the server configuration and set up the CU with it Check the configured server p...

Страница 76: ...try to replace a component by yourself without CIMEL approval However the sensor head should never be disassembled as it will unset the sky and sun calibrations 5 What are the first things to do when...

Страница 77: ...muth and zenith motors Sky angular scanning Whole sky Azimuth 0 360 Zenith 0 180 Mechanical precision spot 0 003 Solar tracking precision 0 01 Power consumption 2W Interferential filter bandwidth 30 n...

Страница 78: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 77 9 2 Dimensional drawings...

Страница 79: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 78...

Страница 80: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 79...

Страница 81: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 80...

Страница 82: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 81...

Страница 83: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 82...

Страница 84: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 83...

Страница 85: ...CE318 T Photometer User Operation Manual Revision V4 10 October 2021 84...

Страница 86: ...When contacting us please indicate The reference and the serial number of your product Your email Optional Skype and or Team Viewer address In term of technical support Cimel policy is to diagnose is...

Страница 87: ...d with an optical protection cap 1 Biaxial robot with its 3 m cables 2 axes Azimuthal and Zenithal 1 Double collimator 1 3 m cord for sensor head CE318 T 1 Set of 2 batteries 6V 8Ah with its serial co...

Страница 88: ...m cable equipped with RJ11 plug 1 Additional equipment for TU12 TU9 models Polycrystalline Solar panel 12 V 20 W with frame and mast mount with 3 m cable equipped with a Phenix plug 1 Protection encl...

Страница 89: ...ted They will be emitted on this website http aeronet gsfc nasa gov cgi bin weekly_report_v2 The possible causes that may lead to a bad sun tracking are The sun spot is too far from the target after a...

Страница 90: ...and it should be constant The main cause that may lead to these discrepancies is One of the channels or both channels are obstructed by something spider web insects Procedure to follow Clean the coll...

Страница 91: ...an and the wind carries on regularly marine spray on its direction Dew in the morning takes a long time to evaporate The wet sensor is damage time worn or broken The wet sensor is quite sensitive espe...

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