Setra Systems Inc., Boxborough, MA, offers the updated Micro-Cal Model 869 and Expert System ultra-low-pressure and documenting calibrators. The updated model 869 is for automated testing and calibration of any pressure transducer, including calibrating pressure switches and analog gauges. It has a new Li-ion battery pack, is 2 lb. lighter, has a universal charging plug, and a new plug-in that lets you charge it while the lid is closed. The Expert System, combined with the company's 269 pressure transducers and SRPM room pressure monitors, lets you perform fully automated testing and hands-off calibration. Both units have pressure reading accuracy close to 0.0001 in. w.c.
Setra Systems Inc.