Columbus Instruments Electromagnetic Animal Activity Monitor - Automex II-2SD

GRASS INSTRUMENTS VOLUMETRIC PRESSURE TRANSDUCER PT5-B w/ WOODEN CASE

Grass Instruments PT5B Volumetric Pressure Transducer

Columbus Instruments CI-Bus Serial Interface I/F 115VAC

COLUMBUS INSTRUMENTS Opto-Varimex MINI Animal Activity Monitor Tested / Warranty

Columbus Instruments 0154-5003 Emitter / Mouse, Small Animal Activity Monitoring

Columbus Instruments 0154-5004 Detector / Mouse Small Animal Activity Monitoring

COLUMBUS INSTRUMENTS VOLUMETRIC DRINKING MONITOR. VDM UNIT.