PAR Lin/Log Sensors
Contents
1. Weight in air Weight in water Dimensions 4 40 C 40 40 C 1000 m 7000 m Plastic Titanium 88 g 182 g 39 g 133 g Figure 5 Figure 5 Typical deal 300 400 500 600 700 800 Wavelength nm Figure 2 Spectral Response rms 60 60 1 196 PN 85 60 60 udi AAT Cosine Error 75 60 45 30 15 0 15 30 45 60 75 90 Incident Angle deg Figure 3 Cosine Response 0 0 1 0 2 0 3 0 4 0 signal V Figure 4 Linear PAR Signal D 980in 25mm Figure 5 Dimensions Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Page 6 of11 PAR Sensor Linear Analog Sensor Linear PAR Sensor Linear Analg ___ puru NTIC SAT DN 00637 Rev A 3 Safety Satlantic equipment should be operated and maintained with extreme care only by personnel trained and knowledgeable in the use of oceanographic electronic equipment 3 1 Personal Safety 3 1 1 Flooded Instrument Use EXTREME CAUTION handling any instrument suspected of being flooded If the instrument leaked at depth it might be pressurized when recovered Indications of a flooded instrument include short circuits between connectors or an extended gap between the end cap and housing If an instrument is suspected of being flooded disconnect its power source place it in a safe location and contact Satlantic for further instructions If the instrument cannot be safety stored away the following steps m2. 1 Personal DANCLY ME n 6 3 1 1 Flooded Instrument 0 cece cece cece ec ececcececeeeeeececeeeeaececeeeaeaeceeneaeaeseeneaeaeaeeeeeeaeaeeeentaeaees 6 3 1 2 zii m 6 32 Eguipment Sale Eme 6 3 2 1 RENI I teen che te mee one E AEE ne oA eee A AAEE T 6 3 2 2 UIA SC NS RTT ett enn ae essence ees ac cece sea at udp cee dened ee nt octet atalino 6 3 2 3 PSO SPY ese ected aac i ects ected tech A dene emer Sic eset eae ae etek cd 6 A 9 O a a ee nee eee 7 4 1 PAR Calculation from Linear Analog Signal ccccccccsececeeeeceeeeseeeeaeeeeeeeseeeesaeeeseeeeaes 7 4 2 PAR Calibration Coefficients for Sea Bird Electronics Seasave esses 7 BAAN Sage te 8 5 1 OV Ii Ri QIN TETTE a EENT O naad 8 O NN eee een E ae ee eee ce ee A E eee ne eee ers 9 MEE Gries aes ien TREE 10 Eois TT 10 ES SS SUNS aia TORTE 10 o Declaration OF CoD oFfiilliassgsiisoriataos puni qr yo inu sacsieersaseeauniacuasaesousdeeseceeesesnen a coeae eoedaees 11 Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Page 4 of 11 SATLANTIC SAT DN 00637 Rev A PAR Sensor Linear Analog M 2075 01 14 poU 1 Introduction 1 1 Purpose Photosynthetically Active Radiation PAR is the spectral range of solar radiation from 400 to 700 nm Phytoplankton and higher plants use electromagnetic energy in the PAR re
3. 11 November Christmas Day 25 December Copyright 2015 Satlantic LP All rights reserved SATLANTIC SAT DN 00637 Rev A PAR Sensor Linear Analog 2015 01 14 oo Page 11 of 11 Declaration of Conformity SSSERALEPE RAC D ETE c M fee LLLI td adit adii i HA Ha num CE MARKING SPECIALISTS Hoi Yuen Road Kwun Tong Kowloon Hong Kong FILHIBM Fo Po Fi SEF suee E Dm P LAT Anii imk L l l Ei ia Feast bes SEE PERE ee eT Phe DECLARATION OF CONFORMITY Company contact details Satlantic LP Richmond Terminal Pier 9 3481 North Marginal Road Halifax Nova Scotia B3K 5X8 Canada Tel 1 902 492 4780 Fax 1 902 492 4781 Email info satlantic com Satlantic LP declares that their 1 PAR Sensor Photosynthetically Active Radiation Sensor 2 OCR 500 Ocean Color Radiometer 3 HyperOCR Hyperspectral Ocean Color Radiometer 4 SAT THS Tilt Heading Sensor 5 Bioshutter 6 Profiler Il 7 ISUS In Situ Ultraviolet Spectrophotometer 8 STOR X 9 Alkaline Battery Pack are classified within the following EU Directive Electromagnetic Compatibility Directive 2004 108 EC and further conform with the following EU Harmonized Standard EN 61326 1 2006 Dated 12 October 2012 Position of signatory President Name of Signatory Marlon Lewis Signed below on behalf of Satlantic LP Copyright 2015 Satlantic LP All rights reserved
4. SEA BIRD PAR Sensor Linear Analog S NTIC Applies to serial numbers above 1000 Document No SAT DN 00637 Revision A Date 2015 01 14 CE Titanium and Plastic Housing PAR Sensors Satlantic LP Tel 1 902 492 4780 3481 North Marginal Road Halifax info satlantic com Nova Scotia Canada B3K 5X8 www satlantic com Copyright 2015 Satlantic LP 3481 North Marginal Road Halifax Nova Scotia B3K 5X8 Canada All rights reserved Po 2015 01 14 Rage 2 of 11 of Rage 2 of 11 PAR Sensor Linear Analog Sensor Linear PAR Sensor Linear Analg ___ pug NTIC SAT DN 00637 Rev A Revision History Rum emm me tr ersion lnitial Release 2015 01 14 Scott Feener P Eng o oL LLL LLL Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Page 3 of 11 SATLANTIC SAT DN 00637 Rev A PAR Sensor Linear Analog JUS ER 2075 01 14 DUTIES Table of Contents 1 agere UO NR DT 4 1 1 gio TT M 4 1 2 Definitions Acronyms and Abbreviations ccccccceecceeeceeceeeeeeeeeueeeeeeaueeaueeeueeaueeseeeaaes 4 1 3 Referenced Documents sssssssssssssesesee ehem eem enne memeet se rememe e rerememi rere nrnna rre reis 4 MEUS cuoio E 5 2 1 a 0 516 612 0 RT NITE nee ee Rm 5 OY E U 6 3
5. SING FROM THE USE OR INABILITY TO USE THE EQUIPMENT OR COMPONENTS THEREOF Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Page 10 of 11 SATLANTIC o 2075 01 14 PAR Sensor Linear Analog es 7 Contact Information If you have any problems questions suggestions or comments about the equipment or manuals please contact us Location Satlantic LP Richmond Terminal Pier 9 3481 North Marginal Road Halifax Nova Scotia B3K 5X8 Canada Tel 902 492 4780 Fax 902 492 4781 Email support satlantic com Web http www satlantic com Business Hours Satlantic is normally open for business between the hours of 9 AM and 5 PM Atlantic Time Atlantic Time is one hour ahead of Eastern Time Daylight saving time is in effect from 2 00 a m on the second Sunday in March through 2 00 a m on the first Sunday in November Atlantic Standard Time AST is UTC 4 Atlantic Daylight Saving Time ADT is UTC 3 Satlantic is not open for business during the following holidays New Year s Day 1 January Heritage Day Third Monday in February Good Friday Friday before Easter Sunday Easter Sunday is the first Sunday after the full moon on or following March 21st or one week later if the full moon falls on Sunday Victoria Day First Monday before 25 May Canada Day 1 July Halifax Natal Day First Monday in August Labour Day First Monday in September Thanksgiving Day oecond Monday in October Remembrance Day
6. ay be taken to release the pressure to render the instrument safe PROCEED AT YOUR OWN RISK To depressurize the PAR Sensor slowly unscrew the instrument bulkhead just enough to break the seal with the end cap allowing trapped water to escape around the connector threads For the AUV version slowly unscrew the three end cap retaining screws a quarter turn at a time to allow trapped water to escape Attempt to drain the instrument completely Depressurized and drained the PAR Sensor is safe for normal storage 3 1 2 Electricity Use care when handling connecting and operating power supplies and batteries A shorted power supply or battery can output high current harming the operator and damaging equipment While trouble shooting with a multi meter take care not to short the probes Shorts can damage equipment create safety hazards and blow internal fuses 3 2 Equipment Safety 3 2 1 Instruments Employ measures to protect instruments and cables from being fouled or overrun by the vessel 3 2 2 Connections Handle electrical terminations carefully They are not designed to withstand strain Disconnect the cables from the components by pulling on the connector heads and not the cables or molded splices Twisting or wiggling the connector while pulling will damage the connector pins 3 2 3 Recovery Do not haul instruments in by the electrical cables unless they are reinforced with mechanical strength members for the purpose Hauling on
7. electrical cables can cause damage to the instrument port connectors cables and splices Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Rage 7 of 11 7 of Rage 7 of 11 PAR Sensor Linear Analog Sensor Linear PAR Sensor Linear Analg ___ puru NTIC SAT DN 00637 Rev A 4 Operation Deploy the PAR sensor in a vertical orientation with the cosine collector pointing upwards as in Figure 1 to measure downwelling irradiance The field of view is the full hemisphere centered on the cosine collector The field of view should be as clear of obstructions as possible Connect the PAR LIN sensor to a data logger that can supply power within the specified DC voltage range and sample the analog voltage signal 4 1 PAR Calculation from Linear Analog Signal The PAR LIN sensor outputs an analog voltage signal in the range 0 125 4 000 V corresponding to a typical PAR range of 0 5000 umol photons m s To calculate PAR from the linear analog signal use the following formula Equation 1 PAR Im ai signal ao Where PAR is in units of umol photons m s signal is the sensor analog output in Volts Im is a scaling factor to account for immersion in water determined on a class basis ao is an offset determined by calibration a1 is a scaling factor determined by calibration Coefficients m ao a7 are listed on the calibration record provided with each PAR LIN sensor 4 2 PAR Calibrati
8. gion for photosynthesis PAR is usually measured as Photosynthetic Photon Flux Density PPFD which has units of quanta photons per unit time per unit surface area The units most commonly used are micromoles of quanta per square meter per second umol photons m s PAR is an important parameter used in energy balance models ecosystem characterization and productivity analyses for agronomic oceanic and limnological studies In addition measurements of PAR are routinely used in laboratory studies focusing on plant physiology and photosynthesis oatlantic PAR sensors measure quantum irradiance with near flat spectral response and cosine spatial response Cosine collectors for in air and in water measurements housings for two depth ratings and digital and analog data output options listed below support integration of the PAR sensor in instrument packages for a range of deployment conditions Optical ICSW Irradiance Cosine in Water ICSA Irradiance Cosine in Air Depth rating 1000m Plastic housing 7000m Titanium housing Data interface SER RS 232 Serial ASCII LIN Linear Analog 0 125 4 0V LOG Logarithmic Analog 0 125 4 0V Platform custom integration AUV Through hull mounting in Slocum Glider This manual describes the following PAR Sensor models PAR LIN ICSW 1000m PAR LIN ICSW 7000m PAR LIN ICSA 1000m PAR LIN ICSA 7000m 1 2 Definitions Acronyms and Abbreviations AUV Autonomous Underwater Vehicle ICSA Irrad
9. iance Cosine in Air ICSW Irradiance Cosine in Water LIN Linear Analog Output LOG Logarithmic Analog Output PAR Photosynthetically Active Radiation PPFD Photosynthetic Photon Flux Density SER Serial RS 232 ASCII output Figure 1 PAR Sensors 1 3 Referenced Documents RD1 Sea Bird Electronics Seasoft V2 Seasave V7 User s Manual 03 18 14 www seabird com Copyright 2015 Satlantic LP All rights reserved User Manual PAR Sensor Linear Analog Sensor Linear PAR Sensor Linear Analg ___ SATL ft la SAT DN 00637 Rev A Po 2015 01 14 Rage 5of11 2 Description 2 1 Specifications Optical opectrum PAR Range opatial Cosine error Collector area Detector Electrical Connector 4 o9 oM 30 O 2 Male Face View Power Telemetry Type Formula PAR signal Im ao a1 400 700 nm Figure 2 0 5000 umol photons m s cosine response Figure 3 lt 3 0 60 lt 10 60 85 86 mm 17 mm silicon photodiode Subconn MCBH4M 1 Power GND 2 Signal 3 Signal GND 4 Power Vin 1GNDs are connected 6 28 VDC 17 mA 12 VDC Linear analog voltage PAR Im a signal ao Figure 4 0 5000 umol photons m s 0 125 4 000 V Immersion factor In water 1 3589 Inair 1 0 Offset Scaling Factor a9 a4 are listed in the sensor calibration record provided Operating Temperature In water In air Mechanical Depth Rating Construction
10. nt or modifications by the customer The warranty is considered void if any optical or mechanical housing is opened In addition the warranty is void if the warranty seal is removed broken or otherwise damaged Provisions During the one year from date of purchase warranty period Satlantic will replace or repair as deemed necessary components that are defective except as noted above without charge to the customer This warranty does not include shipping charges to and from Satlantic Returns To return products to Satlantic whether under warranty or not contact the Satlantic Customer Support Department and request a Returned Material Authorization RMA number and provide shipping details All claims under warranty must be made promptly after occurrence of circumstances giving rise thereto and must be received by Satlantic within the applicable warranty period Such claims should state clearly the product serial number date of purchase and proof thereof and a full description of the circumstances giving rise to the claim All replacement parts and or products covered under the warranty period become the property of Satlantic LP Liability IF SATLANTIC EQUIPMENT SHOULD BE DEFECTIVE OR FAIL TO BE IN GOOD WORKING ORDER THE CUSTOMER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS STATED ABOVE IN NO EVENT WILL SATLANTIC LP BE LIABLE FOR ANY DAMAGES INCLUDING LOSS OF PROFITS LOSS OF SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARI
11. on Coefficients for Sea Bird Electronics Seasave The calibration record also lists the derived fit formula coefficients required when using Sea Bird Electronics Seasoft Seasave Data Acquisition Software to calculate PAR from a Satlantic PAR LIN sensor integrated with a Sea Bird Electronics CTD oeasave see RD1 User Polynomial for user defined sensor Calibration Coefficients p61 can be configured to calculate PAR with the user defined polynomial fit formula Equation 2 Value a0 al V a2 V a3 V The user is required to enter aO af a2 and a3 in Seasave Be careful here to keep the coefficients straight ao and a1 with subscripted numerals are the Satlantic calibration coefficients provided on the calibration record sheet while the a0 a1 a2 and a3 with normal case numerals are the polynomial coefficients that must be entered in Seasave To define Value PAR and make equations 1 and 2 equivalent a0 Im a1 ao a Im ai a2 a3 70 Coefficients m ao a are listed on the calibration record provided with each PAR LIN sensor Most PAR LIN sensors are for in air measurement so the immersion coefficient m 1 0 Copyright 2015 Satlantic LP All rights reserved 2015 01 14 Rage 8 OF 11 PAR Sensor Linear Analog Sensor Linear PAR Sensor Linear Analg ___ puru NTIC SAT DN 00637 Rev A 5 Maintenance 5 1 Preventive Maintenance The PAR Sensor requires virtually no maintenance P
12. rotecting it from impacts rinsing it with fresh water after each use and properly storing it with the dummy connector in place will prolong the life of the PAR Sensor External power sources should always be removed during storage The electrical connector and cable are the most vulnerable components of the PAR Sensor oubconn provides the following guidance for handling connectors e Lubricate connector sparingly with silicone grease such as Dow Corning Molykote 44 Satlantic recommends Dow Corning DC 4 electrical insulating compound a lubricant designed for electrical connectors and DC 111 valve lubricant and sealant e Do not use petroleum based lubricants Any accumulation of sand or mud in the female contact should be removed with fresh water to prevent splaying of the contact and damage to the o ring seals Do not over tighten bulkhead nuts When disconnecting pull straight not at an angle or by moving side to side Do not disconnect by pulling on the cable Avoid sharp bends at cable entry Ensure there are no angular loads on connectors Copyright 2015 Satlantic LP All rights reserved SATLANTIC JEANA 2075 01 14 PAR Sensor Linear Analog 2015 01 14 a Page 9 of 11 6 Warranty Warranty Period All Satlantic equipment is covered under a one year parts and labor warranty from date of purchase Restrictions Warranty does not apply to products that are deemed by Satlantic to be damaged by misuse abuse accide
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