Instrumentation
Boss Gauges

Maximize your results with the longevity and near-quartz accuracy of Lonkar Boss Gauges. The Boss Gauges utilize the latest in electronics technology. The data acquisition electronics, and the Piezoresistive pressure sensors provide fast response to temperature transients and reliably withstand the harsh down hole environment.

  • Pressure
    Standard pressure ranges 750, 1500, 3000, 6000
    Pressure accuracy 0.05% of full scale
    Pressure resolution 0.0003% of full scale
    Long term stability 0.1% of full scale / year
    Hysteresis & non-repeatability 0.00001% of full scale
    Response time instantaneous
    Maximum over pressure 110%
  • Temperature
    Calibrated temperature ranges 32˚F to 300˚F (0˚C to 150˚C)
    Temperature accuracy ±0.9˚F (0.5˚C)
    Temperature resolution ±0.001˚F (0.001˚C)
    Thermal zero shift ±0.0108˚F (0.006˚C)
    Repeatability ±0.36˚F (0.2˚C)
    Maximum over temperature 105%
  • Power
    Power source one “C” lithium cell
    Power requirements 3.8V DC
    Battery life one “C” cell = one year
  • Capacity
    Data points 1,000,000 data sets
    Data type time/pressure/temperature
    Interface USB / RS 232
    Sample rate 1.0/second to 1.0/hr
    Programming mode time based
  • Mechanical
    Maximum outside diameter 0.75" / 1.25" (19.05mm / 31.75mm)
    Make-up length per gauge 8" / 9" (20.32cm / 23.0cm)
    Make-up length per set (2) 16.25" / 18.25" (41.28cm / 46.36cm)
    Top thread 1⁄2" x 13 tpi / 3⁄4" x 16tpi
    Transducer type Piezo Resistive
    Buffer system silicon oil
    Housing material Inconel 718
    Sensor material Hastelloy – C
    Service H2S