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Apogee Instruments MQ-510, Руководство пользователя

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Apogee Instruments MQ-510 Скачать руководство пользователя страница 20

 

Homepage of the Clear Sky 
Calculator. Two calculators 
are available: one for 
quantum sensors (PPFD) 
and one for pyranometers 
(total shortwave radiation). 

 

Clear Sky Calculator for 
quantum sensors. Site 
data are input in blue 
cells in middle of page 
and an estimate of PPFD 
is returned on right-hand 
side of page. 

Содержание MQ-510

Страница 1: ...ENTS INC 721 WEST 1800 NORTH LOGAN UTAH 84321 USA TEL 435 792 4700 FAX 435 787 8268 WEB APOGEEINSTRUMENTS COM Copyright 2022 Apogee Instruments Inc OWNER S MANUAL UNDERWATER QUANTUM METER Models MQ 510 Rev 2 Feb 2022 ...

Страница 2: ...oduction 4 Sensor Models 5 Specifications 6 Deployment and Installation 9 Battery Installation and Replacement 10 Operation and Measurement 11 Apogee AMS Software 17 Maintenance and Recalibration 19 Troubleshooting and Customer Support 21 Return and Warranty Policy 23 ...

Страница 3: ...rical and electronic products with respect to the restriction of hazardous substances Please be advised that based on the information available to us from our raw material suppliers the products manufactured by us do not contain as intentional additives any of the restricted materials including lead see note below mercury cadmium hexavalent chromium polybrominated biphenyls PBB polybrominated diph...

Страница 4: ...hat was calibrated in air is used to make underwater measurements the sensor reads low This phenomenon is called the immersion effect and happens because the refractive index of water 1 33 is greater than air 1 00 The higher refractive index of water causes more light to be backscattered or reflected out of the sensor in water than in air Smith 1969 Tyler and Smith 1970 As more light is reflected ...

Страница 5: ...e MQ series quantum meters covered in this manual are self contained and come complete with handheld meter and sensor A sensor s model number and serial number are located on a label on the backside of the handheld meter ...

Страница 6: ...ponse is greater than 50 Spectral Selectivity Less than 10 from 412 to 682 nm 5 nm see Spectral Response below Directional Cosine Response 5 at 75 zenith angle see Cosine Response below Azimuth Error Less than 0 5 Tilt Error Less than 0 5 Temperature Response 0 11 0 04 per C see Temperature Response below Uncertainty in Daily Total Less than 5 Detector Blue enhanced silicon photodidode Housing Ano...

Страница 7: ...all quantum sensors were compared to the spectroradiometer The spectroradiometer was mounted external to the temperature control chamber and remained at room temperature during the experiment Mean spectral response measurements of six replicate Apogee SQ 100X original X and MQ 500 full spectrum series quantum sensors Spectral response measurements were made at 10 nm increments across a wavelength ...

Страница 8: ...ments were made on the rooftop of the Apogee building in Logan Utah Directional response was calculated as the relative difference of MQ 500 quantum sensors from the mean of replicate reference quantum sensors LI COR models LI 190 and LI 190R Kipp Zonen model PQS 1 Data were also collected in the laboratory using a reference lamp and positioning the sensor at varying angles was calculated as the r...

Страница 9: ...kes leveling simple and accurate The AM 310 Sensor Wand accessory incorporates a mounting fixture at the end of an extendable telescopic wand up to 33 inches 84 cm The wand is not suited for wet environments however it is excellent for greenhouses and growth chambers Its ability to retract to a smaller size also makes it ideal for travel use The AM 320 Saltwater Submersible Sensor Wand accessory i...

Страница 10: ...rcuit board NOTE The battery cradle can be damaged by using an incorrectly sized battery If the battery cradle is damaged the circuit board will need to be replaced and the warranty will be void To avoid this costly problem use only a CR2320 battery Battery Removal Press down on the battery with a screwdriver or similar object Slide battery out If the battery is difficult to move turn the meter on...

Страница 11: ...utomatic logging push the mode button once and use the up down buttons to make the appropriate selection SMPL or LOG Once the desired mode is blinking press the mode button two more times to exit the menu When in SMPL mode press the sample button to record up to 99 manual measurements a counter in the upper right hand corner of the LCD display indicates the total number of saved measurements When ...

Страница 12: ...ents in either SMPL or LOG mode can be reviewed on the LCD display by pressing the up down buttons To exit and return to the real time readings press the sample button Note that the integrated daily total values are not accessible through the LCD and can only be viewed by downloading to a computer Downloading the stored measurements will require the AC 100 communication cable and software sold sep...

Страница 13: ...ic lamps cool white fluorescent metal halide high pressure sodium but larger errors for different mixtures of light emitting diodes LEDs for the SQ 100 series sensors Spectral errors for the SQ 500 series sensors are smaller than those for SQ 100 series sensors because the spectral response of SQ 500 series sensors is a closer match to the defined plant photosynthetic response Quantum sensors are ...

Страница 14: ...s grown in growth chambers was similar but there were differences particularly at shorter wavelengths less than 450 nm There was also some variability between species McCree 1972a Inada 1976 McCree 1972b found that equally weighting all photons between 400 and 700 nm and summing the result defined as photosynthetic photon flux density PPFD in units of mol m 2 s 1 was well correlated to photosynthe...

Страница 15: ...ments model PS 200 and weighting factors shown in the previous figure were used to calculate PPFD and YPFD Biggs W A R Edison J D Eastin K W Brown J W Maranville and M D Clegg 1971 Photosynthesis light sensor and meter Ecology 52 125 131 Federer C A and C B Tanner 1966 Sensors for measuring light available for photosynthesis Ecology 47 654 657 Inada K 1976 Action spectra for photosynthesis in high...

Страница 16: ...lready accounted for in the MQ 510 meter firmware so there is no need to apply the correction factor to your measurements If you wish to use your meter to make measurements in air simply divide the measured number by the immersion effect 1 25 When making underwater measurements only the sensor and cable can go in the water The handheld meter is not waterproof and must not get wet If the meter migh...

Страница 17: ...ds When the ApogeeAMS software is first opened it will show a blank screen until communication with the meter is established If you click Open Port it will say connection failed To establish communication make sure the meter is plugged into your computer using the AC 100 communication cable To connect click the dropdown menu button and COM options will appear For more details on how to figure out ...

Страница 18: ...als per day Click 30 Min Avg to see the meter s 99 30 minute averages To analyze the data click on File and Save As to save the data as a csv file Or you can highlight the numbers copy and paste them into a blank Excel spreadsheet Data will need to be comma delimited ...

Страница 19: ... every two years although you can often wait longer according to your particular tolerances To determine if a specific sensor needs recalibration the Clear Sky Calculator www clearskycalculator com website and or smartphone app can be used to indicate PPFD incident on a horizontal surface at any time of day at any location in the world It is most accurate when used near solar noon in spring and su...

Страница 20: ...rs are available one for quantum sensors PPFD and one for pyranometers total shortwave radiation Clear Sky Calculator for quantum sensors Site data are input in blue cells in middle of page and an estimate of PPFD is returned on right hand side of page ...

Страница 21: ... is still a slight amount of current draw This is necessary to maintain the logged measurements in memory Therefore it is recommended to remove the battery when storing the meter for many months at a time in order to preserve battery life Low Battery Error after Battery Replacement A master reset will usually correct this error please see the master reset section for details and cautions If a mast...

Страница 22: ...on the additional cable otherwise two splices would need to be made between the meter and sensor head See Apogee webpage for further details on how to extend sensor cable length http www apogeeinstruments com how to make a weatherproof cable splice Unit Conversion Charts Apogee SQ 500 series quantum sensors are calibrated to measure PPFD in units of µmol m 2 s 1 Units other than photon flux densit...

Страница 23: ... reinstallation and shipping of suspected warranty items to our factory The warranty does not cover equipment that has been damaged due to the following conditions 1 Improper installation use or abuse 2 Operation of the instrument outside of its specified operating range 3 Natural occurrences such as lightning fire etc 4 Unauthorized modification 5 Improper or unauthorized repair Please note that ...

Страница 24: ... specifications due to a failure of product materials or craftsmanship Apogee Instruments will repair or replace the items free of charge If it is determined that your product is not covered under warranty you will be informed and given an estimated repair replacement cost PRODUCTS BEYOND THE WARRANTY PERIOD For issues with sensors beyond the warranty period please contact Apogee at techsupport ap...

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