Photon Flux Test Report
Test results reported for: Horticultural integrating sphere testing
Samples Covered in Report: 1
Orb Optronix report: CHIH002-011
Original issue date: November 18, 2016
Revision Issue Date: November 21, 2016
Prepared for:
Chilled Tech, LLC
Test report prepared by:
K.C. Fletcher
SSL Program Manager
Testing performed by:
CSA Group
14833 NE 87th St
Redmond, WA 98052
425-605-8500
www.csagroupseattle.org
Test report approved by:
Aaron Miller
Lab Manager
Test & Measurement Services
| Orb test sample identificaton: -01 | Manufacturer specifications: | ||
| Manufacturer: Part number: Model Number: Description: Additional equipment: |
Voltage (V): Test Current (mA): Wattage (W): Frequency (Hz): |
40 | |
| : 700, 1400, & 2400 | |||
Image of device under test -01
Spectral radiant flux measured in 40inch integrating sphere.
1. Data is recorded for the 350nm to 1012nm spectral range with a 1 nm resolution.
2. Measured at side port in 2pi configuration.
Test Date:24-Jun-16
Ambient Temperature: 25.1 °C
Humidity:48 %RH
Radiant Power Measurements
| TEST CURRENT (A) | ||||
| 0.7 | 1.4 | 2.4 | ||
| Total Integrated Radiant Flux (350-1012nm): | 12.3 | 23.7 | 38.3 | W |
| Radiant Efficiency: | 52.5 | 47.8 | 42.4 | % (optical watts out/electrical watts in) |
| Photopic Power Measurements | ||||
| Luminous Flux: | 4025.3 | 7725.9 | 12467.11 | lumens |
| Luminous Efficacy: | 171.6 | 156.0 | 137.8 | lumens/W |
| PAR Measurements | ||||
| PAR PPF (400-700nm): | 56.9 | 109.3 | 176.7 | μmoles/s |
| Total Integrated PPF*: | 59.2 | 113.7 | 183.7 | μmoles/s |
| PPF Efficacy: | 2.5 | 2.3 | 2.0 | μmoles/joule (PPF out/electrical watts in) |
| Total Integrated YPF**: | 51.4 | 98.7 | 159.4 | μmoles/s |
| YPF Efficacy: | 2.2 | 2.0 | 1.8 | lumens/W |
| Photosynthetically Active Yeild Efficiency: | 86.9 | 86.8 | 86.7 | % (YPF/PPF) |
* Photosynthetic Photon Flux: weighted equally by wavelength and summed between 350nm and 750nm
** Yield Photon Flux: PPF weighted by action spectrum (average of 20 plant species as defined by McCree) and
summed between 350nm and 750nm. (See section 6.0)
Electrical Measurements
| TEST CURRENT (A) | |||
| 0.7 | 1.4 | 2.4 | |
| Measured Current (A): | 0.7006 | 1.4014 | 2.4021 |
| Voltage (V): | 33.477 | 35.347 | 37.656 |
| Power (W): | 23.453 | 49.535 | 90.456 |
| Lamp standard type | Operating voltage (VDC) | Operating current (A) | Watts (W) | Lumen output (lm) | Calibration date | Name of calibration lab |
|---|---|---|---|---|---|---|
| Tungsten Halogen | 12.8 | 2.600 A | 35 | 540.6 | 3/28/2013 | Labsphere |
Sphere lamp calibration chain: Luminous flux measurements are traceable to NIST through a 3rd generation lamp of known
flux maintained at Orb Optronix. The calibration chain is given below.
| Generation | Standard | Report/File Number | Calibration Date | Description |
|---|---|---|---|---|
| 1 | s/n A51 | NIST 844/273735-06 | July 7, 2006 | Labsphere primary lumen standard |
| 2 | OCL-WL1 | SCL-1400-WL1 | July 24, 2008 | Labsphere working standards of spectral radiant flux. NOTE: only three working lamps re used in a 3rd generation calibration. |
| OCL-WL2 | SCL-1400-WL2 | July 24, 2008 | ||
| OCL-WL3 | SCL-1400-WL3 | July 24, 2008 | ||
| OCL-WL4 | SCL-1400-WL4 | July 24, 2008 | ||
| OCL-WL5 | SCL-1400-WL5 | July 24, 2008 | ||
| OCL-WL6 | SCL-1400-WL6 | July 24, 2008 | ||
| 3 | A102 | SCL-600-A102 | March, 7, 2012 | Orb Optronix primary standard |
Sphere test instrumentation
| Item | Description /use | Manufacturer | Model | Serial# | Calibration due |
|---|---|---|---|---|---|
| Integrating sphere | 40 ” diameter | Labsphere | CA-10281-000 | 1230105283 | at use |
| Spectrometer | optical measurements | Orb Optronix | SP-75 | 2010268 | at use |
| Power Supply | Electrical Supply | Kikusui | PCR500M | RB002843 | |
| SourceMeter | Cal lamp current source | Keithley | 2425 | 1186074 | 12-Nov-16 |
| Digital Power Meter | Electrical Measurements | Yokogawa | WT210 | 91L137852 | 17-Apr-17 |
McCree, K. J., 1972. The action spectrum, absorptance and quantum yield of photosynthesis in crop plants.
Agrie. Meteorol, 9: 191-216.
Weighting Function for calculation of YPF
019-0008-01, REV:160808
in full without permission of Orb Optronix.
CSA Group
14833 NE 87th St, Redmond, WA 98052
425-605-8500
www.csagroupseattle.org
