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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 

Copyright © 2020 Apogee Instruments, Inc. 

OWNER’S MANUAL 

PYRGEOMETER 

Models SL-510 and SL-610  

Rev: 28-Oct-2020 

 

Summary of Contents for SL-510

Page 1: ...NTS 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 PYRGEOMETER Models SL 510 and SL 610 R...

Page 2: ...e of Compliance 3 Introduction 4 Sensor Models 5 Specifications 6 Deployment and Installation 8 Cable Connectors 9 Operation and Measurement 10 Maintenance and Recalibration 15 Troubleshooting and Cus...

Page 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...

Page 4: ...om pyrgeometers are an important input to frost prediction models Pyrgeometers are also integrated into net radiometers for measurement of net radiation at the land surface Apogee Instruments SL 510 a...

Page 5: ...ing longwave radiation and SL 610 for terrestrial surface measurements downward looking sensor measures outgoing longwave radiation SL 510 Upward looking sensor Sensor model number and serial number a...

Page 6: ...power requirement at 12 V DC Dimensions 27 5 mm height 23 5 mm diameter Mass 90 g 100 g Cable 5 m of six conductor shielded twisted pair wire TPR jacket high water resistance high UV stability flexib...

Page 7: ...7...

Page 8: ...mounting on a cross arm an Apogee Instruments model AM 110 mounting bracket is recommended Sensors must be carefully mounted in order to view the desired target surface sky or ground and avoid includi...

Page 9: ...atalogger end of the cable If a replacement cable is ever needed please contact Apogee directly to ensure ordering the proper pigtail configuration Alignment When reconnecting the sensor arrows on the...

Page 10: ...ower source VERY IMPORTANT Apogee changed all wiring colors of our bare lead sensors in March 2018 in conjunction with the release of inline cable connectors on some sensors To ensure proper connectio...

Page 11: ...emperature are controlled independently At each calibration set point detectors are held at a constant temperature while the blackbody cone is controlled at temperatures below approximately 20 C for f...

Page 12: ...nt where an excitation voltage is input across the bridge resistor and an output voltage is measured across the thermistor Thermistor wiring for SL 510 Serial Number 1074 and above or with cable conne...

Page 13: ...4 B 2 21451 x 10 4 and C 1 26233 x 10 7 Longwave Radiation Measurement The detector output from SL 510 and SL 610 pyrgeometers follows the fundamental physics of the Stefan Boltzmann Law where radiat...

Page 14: ...st deposition The heater is designed to keep the water liquid and frozen off the silicon filter and does not need to be powered in order to make measurements of longwave radiation However if the filte...

Page 15: ...ts can be removed with a dilute acid e g vinegar Salt deposits cannot be removed with solvents such as alcohol or acetone 3 Dust and dirt deposition on the window usually a larger problem in windy env...

Page 16: ...fference between target and detector Thus a compatible measurement device e g datalogger or controller should have resolution of at least 0 11 mV to produce longwave radiation resolution of 1 W m 2 Me...

Page 17: ...ur 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...

Page 18: ...manship 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 replac...

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