Columbus Instruments International animal activity, Contextual Place Preference Apparatus, behavioral instruments, oxygen consumption, metabolic, respiration, respirometer, maze, food consumption, cardiac output, blood pressure, capnometer, bioremediation, gas analyzer, pyrogenic activity, hot plate analgesia, tail flick, startle, mouse vo2, mouse treadmill, mouse metabolism, mouse behavior, oxymax, clams hc, actual-hca, animal behavior, animal activity meter, varimex, animal treadmill, comprehensive lab animal monitoring system, lab animal monitoring, vogel test, blood pressure monitor, environmental enclosures, volumetric drinking monitor, cage mouse running wheel, lung function computer co uptake Columbus Instruments manufactures instrumentation for monitoring Behavior and Physiology in lab animals (non-human), as well as instrumentation for Environmental research.