New still in case just took it out to test unit! Extech 461891 Contact Tachometer for fast and accurate rpm and surface speed measurements Make contact measurements of rotating objects · Measure linear surface speeds in ft/min or m/min using the three accessory wheels provided · 0.05% accuracy · Recalls Last/Max/Min values Contact Tachometer Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects.
The item available here is a Hornel Digital Counter. It also has on the label- Wilson Controls & Meters. This item has not been tested, but appears to be in good condition.
This is a lightly used Omega Engineering pressure transducer PX425-030AV. It has a range of 0-30 psia and PX425 series are millivolt output range, high-stability transducer series (see specs below). Lead is about 1 - 2 inches shorter than original but still very long.
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