Table of Contents
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Summary of Contents for Apogee MU-100
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Page 1: Owner's Manual
OWNER’S MANUAL ULTRAVIOLET METER Models MU-100 and MU-200 APOGEE INSTRUMENTS, INC. | 721 WEST 1800 NORTH, LOGAN, UTAH 84321, USA TEL: (435) 792-4700 | FAX: (435) 787-8268 | WEB: APOGEEINSTRUMENTS.COM Copyright © 2016 Apogee Instruments, Inc. -
Page 2: Table Of Contents
TABLE OF CONTENTS Owner’s Manual ..........................................1 Certificate of Compliance ....................................3 Introduction ..........................................4 Sensor Models ......................................... 5 Specifications ........................................... 6 Deployment and Installation ....................................7 Operation and Measurement ..................................... 8 Maintenance and Recalibration ..................................10 Troubleshooting and Customer Support..............................12 Return and Warranty Policy .................................... -
Page 3: Certificate Of Compliance
(PBB), polybrominated diphenyls (PBDE). Further note that Apogee Instruments does not specifically run any analysis on our raw materials or end products for the presence of these substances, but rely on the information provided to us by our material suppliers. -
Page 4: Introduction
(e.g., germicidal lamps). Apogee Instruments MU series UV meters consist of a handheld meter and a dedicated sensor that is integrated into the top of the meter housing (MU-100) or connected by cable to an anodized aluminum housing (MU-200). Integrated and separate sensors consist of a photodiode and filter, and are potted solid with no internal air space. -
Page 5: Sensor Models
SENSOR MODELS Apogee MU series UV meters covered in this manual are self-contained and come complete with handheld meter and sensor. Sensor model number and serial number are located on a label on the backside of the handheld meter. MU-100... -
Page 6: Specifications
(high water resistance, high UV stability, flexibility in cold conditions) Calibration Traceability Apogee MU series UV meters are calibrated through side-by-side comparison to the mean of four Apogee model SU-100 transfer standard UV sensors under high intensity discharge metal halide lamps. The transfer standard UV sensors are calibrated through side-by-side comparison to an Apogee model PS-200 spectroradiometer under sunlight (clear sky conditions) in Logan, Utah. -
Page 7: Deployment And Installation
DEPLOYMENT AND INSTALLATION Apogee MU series meters are designed for spot-check measurements, and calculation of integrated daily totals (total number of photons incident on a planar surface over the course of a day) through the built-in logging feature. To accurately measure UV radiation incident on a horizontal surface, the sensor must be level. -
Page 8: Operation And Measurement
OPERATION AND MEASUREMENT MU series quantum meters are designed with a user-friendly interface allowing quick and easy measurements. To power the meter, slide the included battery (CR2320) into the battery holder, after removing the battery door from the meter’s back panel. The positive side (designated by a “+” sign) should be facing out from the meter circuit board. Press the power button to activate the LCD display. - Page 9 UV-B Measurements and Spectral Errors Apogee Instruments MU series meters measure ultraviolet radiation between 250 and 400 nm in micromoles of photons per square meter per second. Although the UV radiation between 280 and 315 nm (UV-B) is critically important in photochemical and photobiological reactions, less than 3 % of the UV photons are in this range.
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Page 10: Maintenance And Recalibration
MAINTENANCE AND RECALIBRATION Moisture or debris on the sensor is a common cause of low readings. The sensor has a domed-shaped housing for improved self-cleaning from rainfall, but materials can accumulate on the photo-sensitive area (e.g., dust during periods of low rainfall, salt deposits from evaporation of sea spray or sprinkler irrigation water) and partially block the optical path. - Page 11 Homepage of the Clear Sky Calculator. Two calculators are available: One for pyranometers (total shortwave radiation) and one for quantum sensors (photosynthetic photon flux density). Clear Sky Calculator for pyranometers. Site data are input in blue cells in middle of page and an estimate of total shortwave radiation is returned on right-hand side of page.
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Page 12: Troubleshooting And Customer Support
Care should be taken to remove the back panel of the meter in order to access the board and splice 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-... -
Page 14: Return And Warranty Policy
RETURN AND WARRANTY POLICY RETURN POLICY Apogee Instruments will accept returns within 30 days of purchase as long as the product is in new condition (to be determined by Apogee). Returns are subject to a 10 % restocking fee. WARRANTY POLICY... - Page 15 5. Upon receipt, Apogee Instruments will determine the cause of failure. If the product is found to be defective in terms of operation to the published specifications due to a failure of product materials or craftsmanship, Apogee Instruments will repair or replace the items free of charge.
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