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Related Manuals for Apogee MQX Series
Summary of Contents for Apogee MQX Series
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Page 1: Owner's Manual
OWNER’S MANUAL QUANTUM METER Models MQ-100X and MQ-200X Rev: 1-Jun-2021 APOGEE INSTRUMENTS, INC. | 721 WEST 1800 NORTH, LOGAN, UTAH 84321, USA TEL: (435) 792-4700 | FAX: (435) 787-8268 | WEB: APOGEEINSTRUMENTS.COM Copyright © 2021 Apogee Instruments, Inc. -
Page 2: Table Of Contents
Specifications ................................... 6 Deployment and Installation ..............................9 Battery Installation and Replacement ............................ 10 Operation and Measurement ..............................11 Apogee AMS Software ................................15 Maintenance and Recalibration ............................. 17 Troubleshooting and Customer Support ..........................19 Return and Warranty Policy ..............................21... -
Page 3: Certificate Of Compliance
RoHS 3 compliant using exemption 6c. 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
(MQ-200X). Integrated and separate sensors consist of a cast acrylic diffuser (filter), photodiode, and are potted solid with no internal air space. MQX series quantum meters provide a real-time PPFD reading on the LCD display and offer measurements that determine the radiation incident on a planar surface (does not have to be horizontal), where the radiation emanates from all angles of a hemisphere. -
Page 5: Sensor Models
SENSOR MODELS Apogee MQX series quantum 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. MQ-100X:... -
Page 6: Specifications
UV stability, flexibility in cold conditions) Calibration Traceability Apogee MQX series quantum meters are calibrated through side-by-side comparison to the mean of four transfer standard quantum sensors under a reference lamp. The reference quantum sensors are recalibrated with a 200 W... - Page 7 Spectral Response Mean spectral response of four MQ-100x series quantum sensors compared to PPFD weighting function. Spectral response 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...
- Page 8 Cosine Response Directional, or cosine, response is defined as the measurement error at a specific angle of radiation incidence. Error for Apogee MQ- 100X series quantum sensors is approximately ± 2 % and ± 5 % at solar zenith angles of 45° and 75°, respectively.
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Page 9: Deployment And Installation
DEPLOYMENT AND INSTALLATION Apogee MQX series quantum meters are designed for spot-check measurements, and calculation of daily light integral (DLI; total number of photons incident on a planar surface over the course of a day) through the built-in logging feature. To accurately measure PFFD incident on a horizontal surface, the sensor must be level. For this purpose, each MQX model comes with a different option for mounting the sensor to a horizontal plane. -
Page 10: Battery Installation And Replacement
BATTERY INSTALLATION AND REPLACEMENT Use a phillips head screwdriver to remove the screw from the battery cover. Remove the battery cover by slightly lifting and sliding the outer edge of the cover away from the meter. To power the meter, slide the included battery (CR2320) into the battery holder, after removing the battery door from the meter’s back panel. -
Page 11: Operation And Measurement
OPERATION AND MEASUREMENT MQX 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. - Page 12 Downloading the stored measurements will require the AC-100 communication cable and software (sold separately). The meter outputs data using the UART protocol and requires the AC-100 to convert from UART to USB, so standard USB cables will not work. Set up instructions and software can be downloaded from the Apogee website (http://www.apogeeinstruments.com/ac-100-communcation-cable/).
- Page 13 The weighting function for PPFD is shown in the graph below, along with the spectral response of Apogee SQ-100X series quantum sensors. The closer the spectral response matches the defined PPFD spectral weighting functions, the smaller spectral errors will be.
- Page 14 Underwater Measurements and Immersion Effect When a quantum sensor that was calibrated in air is used to make underwater measurements, the sensor reads low. This phenomenon is called the immersion effect and happens because the refractive index of water (1.33) is greater than air (1.00).
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Page 15: Apogee Ams Software
APOGEE AMS SOFTWARE Downloading data to a computer requires the AC-100 communication cable and the free ApogeeAMS software. The meter outputs data using the UART protocol and requires the AC-100 to convert from UART to USB, so standard USB cables will not work. - Page 16 “Daily Totals” shows all of the saved Daily Light Integral (DLI) totals per day. Click “30 Min Avg” to see the meter’s 99, 30-minute averages. To analyze the data, click on “File” and “Save As” to save the data as a .csv file. Or, you can highlight the numbers, copy, and paste them into a blank Excel spreadsheet.
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Page 17: Maintenance And Recalibration
Never use abrasive material or cleaner on the diffuser. Although Apogee sensors are very stable, nominal calibration drift is normal for all research-grade sensors. To ensure maximum accuracy, recalibration every two years is recommended. Longer time periods between recalibration may be warranted depending on tolerances. - Page 18 Homepage of the Clear Sky Calculator. Two calculators 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 estimate of PPFD is returned on right-hand side of page.
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Page 19: Troubleshooting And Customer Support
TROUBLESHOOTING AND CUSTOMER SUPPORT Verify Functionality Pressing the power button should activate the LCD and provide a real-time PPFD reading. Direct the sensor head toward a light source and verify the PPFD reading responds. Increase and decrease the distance from the sensor to the light source to verify that the reading changes proportionally (decreasing PPFD with increasing distance and increasing PPFD with decreasing distance). - Page 20 See Apogee webpage for further details on how to extend sensor cable length: (http://www.apogeeinstruments.com/how-to-make-a-weatherproof-cable-splice/).
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Page 21: 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 22 84321, USA 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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