Our MA-4 medium animal field-portable respirometry system produces accurate, reproducible data from animals from small mammals such as rats up through goats or humans in size, anywhere - in the lab, or in the field. It can be used in push or pull mode. A water vapor pressure analyzer is built-in for flow and dilution compensation without requiring scrubber chemicals. The entire system is built into a single box that is dust- and water-proof when closed. Carrying handles, a retractable pull handle and wheels make for effortless portability.

The MA-4 medium animal field-portable respirometry system is supplied with both oxygen and carbon dioxide analyzers, and measures oxygen consumption rate, CO2 production rate, RQ, and water loss rate. Using RQ, the respiratory substrate of the test animal can be determined, allowing accurate translation of gas exchange measurements to energy equivalents, e.g. Watts, Joules/hr or calories/day.

Data acquisition is fully automatic, using our acclaimed ExpeData™ software, the product of over twenty years' experience in computerized data acquisition and analysis. Complete user control over every aspect of the system's operation is supported. Baselining can optionally be fully automated, and even multiple-animal studies can be supported thanks to the MA-4's built-in data acquisition interface. The analysis of acquired data is uniquely flexible and can also be fully automated, if desired. The respirometry equations used in the system are state-of-the-art.

All necessary tubing and accessories are supplied with the system. Lifetime technical support by published experts in respirometry is included. 

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