Apogee Instruments SQ-420X Скачать руководство пользователя страница 5 | Manualshive

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Apogee Instruments SQ-420X Скачать руководство пользователя страница 5

SENSOR MODELS

This manual covers the USB quantum sensor model SQ-420X. Additional models are covered in their respective
manuals.

Model

Signal

SQ-420X

USB

SQ-100X

Self-powered

SQ-202X

0-2.5 V

SQ-204X

4-20 mA

SQ-205X

0-5 V

SQ-421X

SDI-12

SQ-422X

Modbus

A sensor

’

s model number and serial number are

located near USB connector. If you need the
manufacturing date of your sensor, please
contact Apogee Instruments with the serial
number of your sensor.

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Содержание SQ-420X

Страница 1: ...RUMENTS INC 721 WEST 1800 NORTH LOGAN UTAH 84321 USA TEL 435 792 4700 FAX 435 787 8268 WEB APOGEEINSTRUMENTS COM Copyright 2021 Apogee Instrument Inc OWNER S MANUAL USB QUANTUM SENSOR Model SQ 420X Rev 16 Nov 2021 ...

Страница 2: ...roduction 4 Sensor Models 5 Specifications 6 Deployment and Installation 9 Software Installation 10 Operation and Measurement 11 Windows Software 13 Mac Software 18 Maintenance and Recalibration 24 Troubleshooting and Customer Support 26 Return and Warranty Policy 27 ...

Страница 3: ...trical 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 dip...

Страница 4: ...l because we feel that it is better to be more complete and possibly redundant Sensors that measure PPFD are often called quantum sensors due to the quantized nature of radiation A quantum refers to the minimum quantity of radiation one photon involved in physical interactions e g absorption by photosynthetic pigments In other words one photon is a single quantum of radiation Typical applications ...

Страница 5: ...anuals Model Signal SQ 420X USB SQ 100X Self powered SQ 202X 0 2 5 V SQ 204X 4 20 mA SQ 205X 0 5 V SQ 421X SDI 12 SQ 422X Modbus A sensor s model number and serial number are located near USB connector If you need the manufacturing date of your sensor please contact Apogee Instruments with the serial number of your sensor ...

Страница 6: ...bility below Measurement Repeatability Less than 0 5 Long term Drift Non stability Less than 2 per year Non linearity Less than 1 up to 2500 µmol m 2 s 1 Response Time Software updates every second Field of View 180 Spectral Range 370 to 650 nm wavelengths where response is greater than 50 of maximum see Spectral Response below Directional Cosine Response 5 at 75 zenith angle see Cosine Response b...

Страница 7: ... measurements were made at 10 nm increments across a wavelength range of 350 to 800 nm in a monochromator with an attached electric light source Measured spectral data from each quantum sensor were normalized by the measured spectral response of the monochromator electric light combination which was measured with a spectroradiometer ...

Страница 8: ...y direct side by side comparison to the mean of seven reference SQ 500 quantum sensors Directional or cosine response is defined as the measurement error at a specific angle of radiation incidence Error for Apogee SQ 100X series quantum sensors is approximately 2 and 5 at solar zenith angles of 45 and 75 respectively ...

Страница 9: ...he southern hemisphere Azimuth error is typically less than 1 but it is easy to minimize by proper cable orientation In addition to orienting the cable to point toward the nearest pole the sensor should also be mounted such that obstructions e g weather station tripod tower or other instrumentation do not shade the sensor Once mounted the blue cap should be removed from the sensor The blue cap can...

Страница 10: ...nstaller package 2 On the Introduction screen please click Continue to proceed 3 Select Continue on the Read Me screen to continue this screen contains a history of updates made to the ApogeeConnect software versions 4 Select Continue on the License screen to receive a prompt to agree to the terms of the software license agreement Click Agree to continue once you receive the prompt 5 On the Instal...

Страница 11: ... functions the smaller spectral errors will be The table below provides spectral error estimates for PPFD measurements from light sources different than the calibration source The method of Federer and Tanner 1966 was used to determine spectral errors based on the PPFD spectral weighting functions measured sensor spectral response and radiation source spectral outputs measured with a spectroradiom...

Страница 12: ...rements are only relative which makes it difficult to compare light in different environments The SQ 420X sensor has an immersion effect correction factor of 1 15 The immersion effect correction factor can be automatically applied to SQ 420X measurements by turning on the immersion setting in the settings option of the ApogeeConnect software as pictured Once you are finished making your underwater...

Страница 13: ...sor Plug the sensor into a USB port and allow some time for the sensor to automatically establish communication with the software Once established the message in the lower left corner will display Device Connected SN and real time PAR readings will update on the screen Moving the sensor closer to a light source should increase the readings while blocking all light from the sensor should drop the r...

Страница 14: ...c light source Note that a reference PAR value of the light source is required to complete a recalibration After clicking the Recalibate button the user will be prompted to cover the sensor Place a dark cap over the sensor and wait for the real time PAR reading to settle at zero Click OK Uncover the sensor and wait for the PAR reading to settle before entering the reference value Click OK Clicking...

Страница 15: ...ffset Clicking Data Logging will allow the user to log interval measurements in a csv file while the software is open and communicating with the sensor Click Setup and the Setup Logging window appears Click the Browse button to create or select a csv file Select the desired sampling interval Note that 1 second is the minimum interval allowed Click Start ...

Страница 16: ... logged data by clicking the Exit button The Stop button must be clicked to end data logging Manage Field Logging is used to setup the SQ 420X for use in the field When the SQ 420X is supplied power from a USB power source it will log data which you can retrieve Choose the interval that data is saved as well as the interval that data is sampled and the light source used The shortest sampling inter...

Страница 17: ... logging interval is 5 minutes and the sampling interval is 2 minutes it causes an error But a sampling interval of 1 minute is acceptable To use additional SQ 420X devices open additional ApogeeConnect software windows The device serial number will display in the lower left hand corner of the corresponding software window Devices may be selected by serial number in the tool bar When the software ...

Страница 18: ...lug the sensor into a USB port and allow some time for the sensor to automatically establish communication with the software Once established the message in the lower left corner will display Device Connected Model SN and real time PAR readings will update on the screen Moving the sensor closer to a light source should increase the readings while blocking all light from the sensor should drop the ...

Страница 19: ...s want to calibrate the sensor to their own specific light source Note that a reference PAR value of the light source is required to complete a recalibration After clicking the Recalibrate button the user will be prompted to cover the sensor Place a dark cap over the sensor and wait for the real time PAR reading to settle at zero Click OK Clicking Immersion Setting will automatically apply the sen...

Страница 20: ...ure to click Save to retain the new multiplier and offset Clicking Data Logging will allow the user to log interval measurements in a csv file while the software is open and communicating with the sensor Click Setup and the Setup Logging window appears Click the Browse button to create or select a csv file Select the desired sampling interval Note that 1 second is the minimum interval allowed Clic...

Страница 21: ...the software and firmware versions These can be used to help troubleshoot if problems arise Manage Field Logging is used to setup the SQ 420X for the use in the field When the SQ 420X is supplied power from a USB power source it will log data which you can retrieve Choose the interval the data is saved as well as the interval that data is sampled and the light source used The shortest sampling int...

Страница 22: ... data to your computer You will be asked where you want to save the data Click Erase Data to erase all the save data This can t be undone To use additional SQ 420X devices open additional ApogeeConnect software windows The device serial number will display in the lower left hand corner of the corresponding software window Devices may be selected by serial number in the tool bar When the software i...

Страница 23: ...etal Halide 6 9 Ceramic Metal Halide 0 9 High Pressure Sodium 3 2 Blue LED 448 nm peak 20 nm full width half maximum 14 5 Green LED 524 nm peak 30 nm full width half maximum 29 6 Red LED 635 nm peak 20 nm full width half maximum 30 9 Red Blue LED Mixture 80 Red 20 Blue 21 2 Red Green Blue LED Mixture 70 Red 15 Green 15 Blue 16 4 Cool White Fluorescent LED 7 3 Neutral White Fluorescent LED 1 1 Warm...

Страница 24: ...olerances See the Apogee webpage for details regarding return of sensors for recalibration http www apogeeinstruments com tech support recalibration repairs To determine if your sensor needs recalibration the Clear Sky Calculator www clearskycalculator com website and or smartphone app can be used to indicate the PPFD incident on a horizontal surface at any time of day at any location in the world...

Страница 25: ... are input in blue cells in middle of page and an estimate of PPFD is returned on right hand side of page Homepage of the Clear Sky Calculator Two calculators are available one for quantum sensors PPFD and one for pyranometers total shortwave radiation ...

Страница 26: ...ton flux density e g energy flux density illuminance may be required for certain applications It is possible to convert the PPFD value from a quantum sensor to other units but it requires spectral output of the radiation source of interest Conversion factors for common radiation sources can be found on the Unit Conversions page in the Support Center on the Apogee website http www apogeeinstruments...

Страница 27: ...al 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 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 no...

Страница 28: ... 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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