| ADC BioScientific: Manufacturers of instrumentation for measuring photosynthesis, transpiration, chlorophyll fluorescence, sap flow, and gas exchange. |
| Apogee: Products used to measure radiation and leaf temperature, ordering information, and research and development being undertaken. |
| CID, Inc.: Manufacturers of portable, photosynthesis analysis systems and miniature spectrometers. |
| EARS Plant Photosynthesis Meter: Specifications and applications of the EARS-PPM, a modulated, saturation pulse chlorophyll fluorometer. |
| Hansatech Instruments Limited: Manufacturers of oxygen electrodes and chlorophyll fluorescence systems for the measurement of cellular respiration and photosynthesis in the field or laboratory. |
| LI-COR Environmental Research and Analysis Division: LI-COR Environmental was founded in 1971, and is a leading manufacturer of electronic instrumentation for environmental, agricultural and ecological research. |
| Physiological Ecology Equipment Manufacturers: Links to suppliers of equipment used by ecophysiologists. |
| PMS Instrument Company: Manufacturer of pressure chamber instruments for measuring plant water potential and irrigation scheduling. Contains product information as well as tutorials on using a pressure bomb. |
| PP Systems: Manufacturer of portable photosynthesis/respiration measurement instrumentation, CO2 and H2O Infrared Gas Analyzers for lab and field, portable spectrometer, and environmental sensors. |
| Walz: Producer of sophisticated photosynthesis measuring systems. The product line ranges from PAM Chlorophyll Fluorometers to measuring systems of plant gas exchange for physiological and ecophysiological research. |
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