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Intrinsically Safe Pressure, Temperature, & Density Measurement

Single or Multi-Point Suspended Measurement Systems for Corrosive and Non-Corrosive Chambers and Wellbores.

Intrinsically Safe Gauges

We manufacture Intrinsically Safe pressure and temperature monitoring systems that are designed to attach to Stainless Steel and Incoloy cable. These systems can be inserted into wellbores, chambers, tanks, and vessels to accurately measure pressure and temperature and specified depth in hazardous environments. Fluid level and gradient density can also be measured.

Below is a look at how our systems operate in two of our most common applications, tank storage and wellbores.

Tank Storage

Tank-Storage-Multi-Gauge-Monitoring-Diagram-GEO-PSI

Figure 1: GEO PSI Tank Storage Multi-Gauge Monitoring Diagram

Wellbore

Figure 2: GEO PSI Multi-Gauge Well Monitoring Diagram

Especially in multi-gauge applications as shown above, our systems can be used to develop gradient density plots and liquid level calculations.

Figure 3: Gradient Density Plot with Liquid Level Calculation

Applications with Explosion Potential

Whether it be monitoring propane tank storage, or optimizing an oil & gas well, there are many applications where hazardous materials or hazardous environments require highly reliable pressure and temperature monitoring.

Safety is our top priority at GEO PSI, and we are proud to build products that are designed to operate reliably and safely in some of the most demanding environments.

While our gauges can be deployed almost anywhere, below are some of the most common hazardous explosive environments where our systems provide critical data.

About Intrinsic Safety

Intrinsic Safety is a widely adopted protection concept in which the electrical energy within the equipment is restricted to a level which is below what may cause ignition, and limits the heating of the surface of the equipment.

GEO PSI GEOTRU gauges are Ex ia IIA T4…T1 Ga certified by IECEx

Ex – describes explosion protection.

ia – denotes that that GEOTRU gauges are still safe with 2 faults and suitable in Zone 0 area. Wellbore, Wellhead etc.

IIA – denotes protection in environments with Methane, Propane, Methanol etc.

T1 – means that GEOTRU gauges temperature protection classification is up to 450°C / 842°F

Ga – is the maximum equipment protection level, meaning that GEOTRU gauges are suitable for Zone 0,1, or 2.

Range of Intrinsically Safe Product Offering

In addition to our GEOTRU family of gauges, our GEO4-20 gauges also offer intrinsically safe ratings.

From 105°C to 300°C, low pressure to high pressure, we offer intrinsically safe products for every application and a range of budgets.

You can see our IECEx certifications below:

Product

Maximum Temperature Range

Maximum Pressure Range

Output

Process Connection

105°C

3,000 psi

4-20 mA Pressure

1/4” FNPT

GEOTRU 125

125°C

20,000 psi

RS485 Pressure and Temperature

HF4 Autoclave

200°C

20,000 psi

RS485 Pressure and Temperature

HF4 Autoclave

260°C

20,000 psi

RS485 Pressure and Temperature

HF4 Autoclave

300°C

20,000 psi

RS485 Pressure and Temperature

HF4 Autoclave

Our intrinsically safe GEO4-20 105 IECEx certified 4-20mA pressure gauge is the first cost-effective solution designed for measuring real-time pump intake pressure for artificial lift systems in oil & gas wells. This gauge is able to withstand vibrational forces exerted by high horsepower progressive cavity, rod, and ESP pumps.

Our innovative intrinsically safe GEOTRU gauges are designed to provide quality downhole pressure and temperature data for high-temperature wells. Reliability is increased through the use of quality materials and construction, as well as the removal of PCB’s from the gauge itself.

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