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APOGEE INSTRUMENTS, INC. | 721 WEST 1800 NORTH, LOGAN, UTAH 84321, USA

TEL: (435) 792-4700 | FAX: (435) 787-8268 | WEB: APOGEEINSTRUMENTS.COM

OWNER’S MANUAL

QUANTUM SENSOR

Models SQ-512 and SQ-515

Rev: 10-Dec-2020

Содержание SQ-512

Страница 1: ...TS INC 721 WEST 1800 NORTH LOGAN UTAH 84321 USA TEL 435 792 4700 FAX 435 787 8268 WEB APOGEEINSTRUMENTS COM Copyright 2020 Apogee Instruments Inc OWNER S MANUAL QUANTUM SENSOR Models SQ 512 and SQ 515...

Страница 2: ...of Compliance 3 Introduction 4 Sensor Models 5 Specifications 6 Deployment and Installation 9 Cable Connectors 10 Operation and Measurement 10 Maintenance and Recalibration 17 Troubleshooting and Cus...

Страница 3: ...lectrical 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 m...

Страница 4: ...e is not a universal definition of the term flux Flux is sometimes defined as per unit area per unit time and sometimes defined as per unit time only PPFD is used in this manual Sensors that measure P...

Страница 5: ...3636 SQ 512 3717 SQ 515 and above Sensor model number and serial number are located on the bottom of the sensor If you need the manufacturing date of your sensor please contact Apogee Instruments wit...

Страница 6: ...Field of View 180 Spectral Range 389 to 692 nm 5 nm wavelengths where response is greater than 50 Spectral Selectivity Less than 10 from 412 to 682 5 nm see Spectral Response below Directional Cosine...

Страница 7: ...on which was measured with a spectroradiometer Mean temperature response of ten SQ 500 series quantum sensors errors bars represent two standard deviations above and below mean Temperature response me...

Страница 8: ...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 posit...

Страница 9: ...on a cross arm an Apogee Instruments model AM 110 mounting bracket is recommended To minimize azimuth error the sensor should be mounted with the cable pointing toward true north in the northern hemi...

Страница 10: ...please contact Apogee directly to ensure ordering the proper pigtail configuration Alignment When reconnecting a sensor arrows on the connector jacket and an aligning notch ensure proper orientation D...

Страница 11: ...damage DO NOT connect the sensor to a power source greater than 24 VDC VERY IMPORTANT Apogee changed all wiring colors of our bare lead sensors in March 2018 in conjunction with the release of inline...

Страница 12: ...put Signal mV PPFD mol m 2 s 1 0 8 2500 2000 Example of PPFD measurement with an Apogee quantum sensor Full sunlight yields a PPFD on a horizontal plane at the Earth s surface of approximately 2000 mo...

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 se...

Страница 14: ...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 1972...

Страница 15: ...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...

Страница 16: ...actors can be derived by making measurements in air and at multiple water depths at a constant distance from a lamp in a controlled laboratory setting Apogee SQ 500 series quantum sensors have an imme...

Страница 17: ...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 web...

Страница 18: ...s 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 esti...

Страница 19: ...nloads Zero Offset Error With the use of certain dataloggers it is possible for to measure a non zero voltage zero offset when the sensor output should be zero no photons incident on diffuser This off...

Страница 20: ...or to other units but it requires spectral output of the radiation source of interest Conversion factors for common radiation sources can be found in the Knowledge Base on the Apogee website http www...

Страница 21: ...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 r...

Страница 22: ...nship 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 replacem...