APEX Instruments

"Proven Equipment for the
Oil & Gas Industry"



Product Categories

  • Tank Gauging
  • Switches, Thermowells, Communicators, Drain&Sample Valves

3rd Generation XP2i

Digital Test Gauges

3rd Generation XP2i

The World's Most Popular Test Gauge

Ultra rugged, intrinsically safe, digital test gauge with 0.1% of reading accuracy.

  • Marine grade enclosure resists corrosion
  • Accuracy not affected from -10 to 50°C
  • Replaces 5 or more digital test gauges 
  • Fast pressure safety valve (PSV) mode
  • Define custom pressure units
  • Shift everyday wear to replaceable CPF adapter 
  • Easy to use-No Menu. No Manual? No Problem!

With the optional DataLoggerXP upgrade:

  • Record 32,000 data points
  • Battery-optimizing, Ultra Low Power (ULP) Mode
  • Over an entire year of continuous recording time
  • Now available on the Dual-Line Display XP2i

For more information, visit the Crystal Engineering Web Site.