Apogee Instruments SQ-600 Series Скачать руководство пользователя страница 5 | Manualshive

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SENSOR MODELS

This manual covers the USB Quantum Light Pollution sensor, model SQ-646 (listed in bold below). Additional
models are covered in their respective manuals.

Model

Signal

SQ-640

Self-powered

SQ-642

0-2.5 V

SQ-644

4-20 mA

SQ-645

0-5 V

SQ-646

USB

SQ-647

SDI-12

SQ-648

Modbus

A sensor

’

s model number and serial number are

located on the bottom of the sensor. If the
manufacturing date of a specific sensor is
required, please contact Apogee Instruments
with the serial number of the sensor.

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Содержание SQ-600 Series

Страница 1: ...TS 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 QUANTUM LIGHT POLLUTION SENSOR Model SQ 646 Rev 4 Oct 2021 ...

Страница 2: ...troduction 4 Sensor Models 5 Specifications 6 Deployment and Installation 8 Software Installation 9 Operation and Measurement 10 Windows Software 11 Mac Software 16 Maintenance and Recalibration 22 Troubleshooting and Customer Support 23 Return and Warranty Policy 24 ...

Страница 3: ... of electrical 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 polybromin...

Страница 4: ...uantum sensors but measure a wider range of wavelengths can be thought of as an extended range quantum sensor Typical applications of traditional quantum sensors include incoming PPFD measurement over plant canopies in outdoor environments or in greenhouses and growth chambers and reflected or under canopy transmitted PPFD measurement in the same environments The Extended Range PFD Sensor detailed...

Страница 5: ... respective manuals Model Signal SQ 640 Self powered SQ 642 0 2 5 V SQ 644 4 20 mA SQ 645 0 5 V SQ 646 USB SQ 647 SDI 12 SQ 648 Modbus A sensor s model number and serial number are located on the bottom of the sensor If the manufacturing date of a specific sensor is required please contact Apogee Instruments with the serial number of the sensor ...

Страница 6: ...mol m 2 s 1 Measurement Repeatability Less than 0 5 Long term Drift Non stability Less than 2 per year Non linearity Less than 1 up to 200 µmol m 2 s 1 Response Time Software updates every second Field of View 180 Spectral Range 340 to 1040 nm 5 nm wavelengths where response is greater than 50 see Spectral Response below Directional Cosine Response 2 at 45 zenith angle 5 at 75 zenith angle see Cos...

Страница 7: ... an attached electric light source Measured spectral data from each PFD sensor were normalized by the measured spectral response of the monochromator electric light combination which was measured with a spectroradiometer Directional or cosine response is defined as the measurement error at a specific angle of radiation incidence Error for Apogee SQ 600 series Quantum Light Pollution Sensor is appr...

Страница 8: ...ounted with the cable pointing toward true north in the northern hemisphere or true south in the southern hemisphere Azimuth error is typically less than 0 5 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 n...

Страница 9: ...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 10: ...s 1 The model SQ 620 Extended Range Quantum Sensor can measure a photon flux density range of 0 4000 mol m 2 s 1 The model SQ 640 Quantum Light Pollution Sensor is designed for low light measurements and can only measure a photon flux density range of 0 200 mol m 2 s 1 the sensor will output values beyond 200 mol m 2 s 1 but these are beyond the linear range of the sensor and is referred to as the...

Страница 11: ... 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 Model SN and real time PFD 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 th...

Страница 12: ...cking the Recover Original button Deriving a new calibration multiplier and offset is accomplished by clicking the Recalibrate button This is applicable if users want to calibrate the sensor to their own specific light source Note that a reference PFD value of the light source is required to complete a recalibration Note the Immersion Setting function is not necessary for the SQ 646 This function ...

Страница 13: ...ier and offset values will automatically calculate and update in the appropriate field Be sure 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 S...

Страница 14: ...clicking the Data Logging button The Stop button must be clicked to end data logging Manage Field Logging is used to setup the SQ 646 for use in the field When the SQ 646 is supplied power from a USB power source plug or select batteries 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...

Страница 15: ... example if the 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 646 devices open additional SQ 646 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 so...

Страница 16: ...r 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 PFD 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 rea...

Страница 17: ...immersion effect correction factor of 1 32 to the sensor measurements when the sensor is being used to take measurements underwater Click the Settings icon to display the software options Note the Light Source function is not necessary for the SQ 646 The function is designed to give increased accuracy for the SQ 420 ...

Страница 18: ...cific light source Note that a reference PFD 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 PFD reading to settle at zero Click OK Uncover the sensor and wait for the PFD reading to settle before entering the reference value Click OK The...

Страница 19: ...Start The data logging window will start to update at the specified sampling interval and display the Timestamp Light Source and Data Value At the same time data will be written to the csv file Note that if the csv file is open in another program new data will not be saved to it The data logging window can be closed without affecting logged data by clicking the Exit button The Stop button must be ...

Страница 20: ...he sampling interval is how often a measurement is taken and logging interval is how often the data is saved The logged data is the average of the samples The logging interval must be evenly divided by the sampling interval For example if the 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 Before clicking Get...

Страница 21: ...nsor it will calculate daily light integral DLI in moles and Dark Hours in hours each day at 12 00 AM using PFD values collected during the previous 36 hours The Dark Hours value is calculated using the Darkness Threshold setting The number of continuously logged PFD values less than the Darkness Threshold are counted and multiplied by the logging interval to calculate the number of Dark Hours Thi...

Страница 22: ...be necessary Dust or organic deposits are best removed using water or window cleaner and a soft cloth or cotton swab Salt deposits should be dissolved with vinegar and removed with a cloth or cotton swab Salt deposits cannot be removed with solvents such as alcohol or acetone Use only gentle pressure when cleaning the diffuser with a cotton swab or soft cloth to avoid scratching the outer surface ...

Страница 23: ...feet is the maximum cable length that can be built into the sensor Modifying Cable Length If you required a longer cable length an active USB extension cable is required Please note the connection between the cables must be made watertight prior to submersion ...

Страница 24: ...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 25: ... 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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