... 3) meet API standard. Precision Offers flanged pressure gauges that come standard with a 2” NPT thread, these ... Systems, Recorders, Sandline Depth Meters, Drilling Instrument Consoles, Electronic Strain Gauges and Pump Stroke Counters 2010/09/07 --- 2013/09/ ... , Recorders, Sandline Depth Meters, Drilling Instrument Consoles, Electronic Strain Gauges and Pump Stroke Counters 2010/09/07 --- 2013/09/ ...