The HDI 3300 Temperature Gauge System is an intrinsically safe, battery-powered electronic temperature measurement device commonly used in oil and gas operations requiring precise temperature monitoring. Typical applications include high-pressure nitrogen pumping, geothermal and mud-based drilling, well control manifolds, flare stacks, and bulk liquid storage.

The system consists of a digital gauge display, sensor assembly, and interconnecting cable. The sensor, usually a Resistance Temperature Detector (RTD), is housed in a durable stainless steel case with various mounting options like 2-inch Male NPT, hammer unions, or flanges, allowing flexible installation near the temperature source.

The display features an LCD with numeric and analog bar graph outputs, providing temperature readings with 0.1-degree resolution and ±0.5% full-scale accuracy over a range of -50 to 150°C (-50 to 300°F). Users can switch between Celsius and Fahrenheit. It includes 4-20mA and 0-1 VDC output options for integration with remote monitoring, data logging, or control systems, and supports external power inputs.

Designed for ease of maintenance, the system is field-repairable with a replaceable battery pack. The sensor and display are factory-matched and calibrated, requiring recalibration if components are replaced. The gauge fits standard 6-inch panel cutouts and supports multiple mounting patterns. Cable lengths are customizable up to 200 feet or more.

The system operates reliably in temperatures from -40°C to +70°C and is certified for hazardous environments, with a rugged stainless steel sensor housing to withstand harsh field conditions.

The 3300 is well-suited for environments requiring precise, continuous temperature monitoring, including high-pressure drilling, well control, and fluid storage applications. Its intrinsically safe design provides dependable operation in hazardous locations without compromising safety. The solid-state electronics and durable construction reduce maintenance and downtime, while versatile mounting options allow placement close to the measurement point for accurate readings. Featuring clear numeric and bar graph displays along with remote output capabilities, the system supports timely decision-making and integrates easily with larger monitoring setups, enhancing process control and operational safety in demanding conditions.

The HDI 1522 Choke Position Indicator System is an electronic instrument designed to accurately measure and display the position of choke valves used in oil and gas production. Choke valves regulate the flow of oil, gas, or water from wells by adjusting the degree of restriction in the pipeline, which directly affects pressure control and production rates. The 1522 system provides highly precise position readings in one percent increments, ranging from fully closed (0%) to fully open (100%), enabling better management of well performance and enhanced safety.

This system uses solid-state electronics to convert mechanical valve movement into electronic signals via various potentiometer types—including linear, rotary, and retractable options—making it adaptable to a wide variety of choke valve designs and configurations. The position data is presented on a four-inch liquid crystal display that combines a numeric readout with a linear bar graph, allowing clear and immediate visualization of the choke’s exact position. The display is engineered for visibility from distances up to fifteen feet, suitable for typical field environments.

Powered by an internal, field-replaceable battery with approximately one year of continuous operation, the 1522 system minimizes maintenance requirements and eliminates the need for complex wiring. It also offers optional analog output signals, such as 4-20 mA or 0-1 V, enabling seamless integration with plant control systems, programmable logic controllers, data acquisition systems, or remote display units for centralized monitoring and automation.

The enclosure is constructed from UV-stabilized, impact-resistant polycarbonate and PBT alloy materials to ensure durability in harsh outdoor conditions. It is rated to operate reliably within a wide temperature range from -40°F to 176°F (-40°C to 80°C). The internal electronics are protected by a gasket seal to prevent dust and moisture ingress, maintaining performance and longevity.

Installation flexibility is enhanced through support for cable lengths up to 1,500 feet, allowing the gauge to be mounted in the most accessible or secure locations. Multiple sensor housing options and connector orientations simplify field installation and reduce the need for onsite customization, helping to minimize downtime and installation costs.

The 1522 Choke Position Indicator System delivers accurate, real-time choke valve position information in a robust, easy-to-install package. Its reliable performance, flexible integration capabilities, and low maintenance design support improved flow control, safer operations, and optimized production.

The HDI 2000B Pressure Gauge System is a panel-mounted electronic device designed to measure and display high-pressure levels accurately in industrial and oilfield settings. It monitors pressures up to 20,000 psi with an accuracy of plus or minus 0.50 percent of full scale, making it suitable for critical applications where precise pressure monitoring is essential for safety and operational control.

The system consists of two main components: a digital gauge display and a remote pressure sensor connected by an interconnect cable. This design allows the sensor to be installed directly at the pressure source, such as a wellhead, pump, or manifold, while the display is mounted in a more accessible location for easy reading and monitoring.

The gauge features a six-inch liquid crystal display that combines a five-digit numeric readout with an analog bar graph composed of 101 segments. This clear and detailed display makes it easy to quickly understand both the exact pressure value and its trend, even in low-light or harsh environments. The display can be read from up to 35 feet away.

Power is supplied by a replaceable 3.6-volt battery designed to last between 12 and 18 months under continuous operation. Calibration and configuration data are stored in memory that does not require power, ensuring settings remain intact even when the battery is replaced or the system is powered off.

The pressure sensor employs strain gauge technology and is compatible with a wide range of connection types including standard pipe threads and flanges. This allows the system to be used across various equipment and pressure ranges, while simplifying maintenance by enabling cross-compatibility of sensors.

Optional analog outputs provide 4–20 mA or 0–1 volt signals to connect the gauge to control systems, data loggers, or remote displays. This supports centralized monitoring and integration with automated process control.

In oil and gas operations, the 2000B system is commonly used to monitor pressure at wellheads to ensure safe extraction pressures, on pumps to maintain correct fluid flow and prevent overpressure damage, and on manifolds to track pressure differentials between flow lines. Accurate, real-time pressure data from this system helps operators detect anomalies early, avoid equipment failure, and optimize production rates while maintaining safe operating conditions. Its robust design and modular installation make it well-suited for harsh field environments where reliability and ease of maintenance are critical.

The HDI 2021 Pressure Transmitter System is an electronic device designed to measure pressure accurately and convert it into a standardized 4–20 mA electrical signal for monitoring and control. It consists of a strain gauge sensor embedded in a stainless-steel housing and a transmitter assembly that processes the sensor signal. This system is widely used in oil and gas operations to provide precise, real-time pressure data essential for safe and efficient wellhead monitoring, pump and compressor control, manifold pressure tracking, and other critical process points.

In typical oilfield applications, the transmitter measures pressure at locations such as wellheads, flowlines, separators, and pumps to ensure that equipment operates within safe pressure limits, preventing failures and optimizing production. The 4–20 mA output enables easy integration with control systems, remote displays, data loggers, and automated safety shutdowns, supporting operational decisions and regulatory compliance.

The 2021 system supports pressure ranges from 5,000 psi to 20,000 psi, with overpressure protection allowing up to 30% above rated pressure for lower ranges, and 10% for higher ranges. It offers multiple housing options including hammer unions and various flanged connections to fit existing infrastructure. The sensor uses a high-quality strain gauge design with a robust stainless-steel case to ensure durability in harsh field conditions. A shielded instrument cable (up to 200 feet recommended) connects the sensor to the transmitter, minimizing electrical noise for reliable data transmission. The system is field repairable and designed with no moving parts or fluids, reducing maintenance needs and enhancing reliability.

The 2021 Pressure Transmitter System delivers accurate, dependable pressure measurement critical for monitoring and controlling high-pressure equipment in oil and gas operations, helping to maintain safety, protect assets, and improve production efficiency.

The HDI 2100 Pump Stroke Counter System is an electronic device designed to monitor mud pump performance in oil and gas drilling operations by accurately counting and displaying the number of strokes and stroke rates of up to four pumps simultaneously. Mud pumps play a critical role in circulating drilling fluids (mud) through the wellbore, and monitoring their operation is essential to maintain drilling efficiency, detect malfunctions, and ensure safe operation.

This system provides real-time stroke data updated every second, allowing operators to track pump activity precisely. It consists of a stainless steel control head with an LCD display, a power pack, cables, and sensors (either microswitch or proximity types). The control head can be mounted on a control panel either from the front or back, offering flexibility for installation in existing drilling consoles.

The internal quartz crystal oscillator guarantees accurate stroke counting without drift, meaning the system does not require regular recalibration, reducing maintenance needs. The system is powered by a sealed 3.6V battery designed to last approximately 18 months under continuous operation. Field-replaceable processor boards simplify repair and troubleshooting without needing to replace the entire unit.

Operating in harsh environments common to both land and offshore drilling, the 2100 features a sealed stainless steel case and durable piezoelectric switches for long life even under high vibration conditions. It supports integration with Human Machine Interfaces (HMI) and Programmable Logic Controllers (PLC) through dual sensor outputs, enabling automated monitoring and control within drilling systems.

The stroke rate range covers 11 to 300 strokes per minute, with the total accumulated strokes displayed up to 65,535. Operating temperature ranges from -40°C to 100°C, making it suitable for a wide range of drilling environments. The system’s combination of rugged design, accurate measurement, and flexible installation makes it a reliable tool for real-time mud pump monitoring critical to maintaining drilling safety and operational efficiency.

HDI Gauge systems used in oil and gas operations are often exposed to harsh environments and continuous use. To maintain accuracy, reduce downtime, and extend the service life of these systems, it is critical to have access to replacement components that are both durable and compatible. A full range of spare parts is available to support maintenance needs, including displays, sensors, cables, processor boards, connectors, and housing elements.

These parts are designed to be interchangeable across compatible models, allowing operators to replace worn or damaged components without requiring full system replacement. This modularity improves cost efficiency and simplifies logistics, especially in remote field locations. Most components are field-replaceable, reducing the need for specialized service technicians and enabling faster return to operation.

Processor boards and display units typically share a common design across multiple gauge models, streamlining inventory requirements and providing flexibility during urgent repairs. Sensors are matched with gauge heads for calibration accuracy but can be easily re-paired and recalibrated in the field or through service support if needed.

Using certified or manufacturer-specified replacement components ensures continued compliance with safety standards, maintains the expected measurement accuracy, and supports the longevity of the equipment. These parts are often backed by service documentation or part tracking for maintenance records and equipment history management.

In short, a well-organized supply of compatible, high-quality parts is essential for effective pressure and temperature gauge system upkeep in demanding industrial settings.

The HDI V9000 Virtual Choke Console System is a PLC-based control and monitoring platform that provides a digital representation of the traditional hydraulic choke console used in oil and gas operations. It integrates Human-Machine Interface (HMI) technology with electronic joysticks, enabling operators to monitor and control choke valves both locally and remotely.

This system supports flexible configurations to meet client requirements, including various console layouts and customizable language options. It is designed to interface not only with standard choke control components but also with additional monitoring equipment such as gate valve position indicators, mud gas separator pressure monitors, and environmental sensors for riser and sub-sea temperatures.

By digitizing choke control, the V9000 enhances operational oversight, allowing for precise valve positioning and real-time status feedback. Its modular architecture permits scalability and adaptation to complex wellsite setups, supporting improved safety and efficiency. The system\'s data logging and reporting features facilitate compliance tracking and operational analysis, making it a comprehensive solution for modern well control management.

The HDI 2522 Choke Position Indicator System is a 4-inch solid-state electronic device used to precisely monitor the position of chokes in oil and gas operations. It provides position readings in 1% increments from fully closed (0%) to fully open (100%). The system supports a variety of choke types by interfacing with linear, rotary, or retractable potentiometers, making it adaptable to different choke designs commonly used in the industry.

This indicator eliminates the need for pneumatic air lines traditionally used for position sensing, improving reliability and reducing maintenance requirements. The gauge features a liquid crystal display (LCD) with both a numeric readout and an analog bar graph for quick visual interpretation of choke position. It includes a low battery indicator to ensure continuous operation.

The system is battery powered with a field-replaceable 3.6 Vdc power pack rated for one year of continuous operation. The internal battery powers the gauge electronics but not optional 4-20mA output loops. The 2522 supports up to two additional slave gauges for remote position displays, allowing flexible monitoring setups across control rooms.

Its robust, impact-modified polycarbonate/PBT alloy case is UV stabilized and sealed with gaskets to protect the electronics. The device operates within a temperature range of -40°F to 176°F (-40°C to 80°C) and is suitable for harsh oilfield environments.

Installation is straightforward, with recommended cable lengths up to 1,500 feet between the gauge and potentiometer, and customizable cable options available to fit specific site needs. Each system is factory matched and serialized, supplied with a signed calibration certificate, ensuring accuracy to within ±1% full scale.

Overall, the 2522 system provides a reliable, accurate, and low-maintenance solution for real-time choke position monitoring, enhancing operational control and safety in oil and gas production.

The HDI 1000P Pressure Gauge System is a battery-powered, intrinsically safe electronic gauge used to monitor high-pressure systems in oil and gas operations. It measures pressure using a strain gauge sensor and provides real-time readings on a digital display with both numeric and bar graph formats. Common applications include choke manifolds, cementing units, coiled tubing, and high-pressure pumping systems.

With pressure ranges available from 5,000 psi up to 30,000 psi, the 1000P is suitable for demanding environments. It offers ±0.5% full-scale accuracy, and optional 4-20mA or 0–1 VDC outputs for integration with PLCs or remote monitoring systems. The unit is housed in a sealed stainless steel enclosure and built to perform reliably in harsh, high-vibration field conditions.

Designed for ease of use, the 1000P includes a field-replaceable battery pack and supports a range of connection types such as 2" 1502, 2002, 2202, or flanged. Its solid-state platform minimizes maintenance and ensures consistent performance over time, making it a dependable tool for critical pressure monitoring tasks.

The HDI 1000B Pressure Gauge System is an intrinsically safe, battery-powered, solid-state electronic pressure gauge designed for accurate and reliable pressure measurement in demanding industrial environments. It measures pressures ranging from 30 psi up to 20,000 psi with an accuracy of ±0.50% of full scale. The system features a durable design with no fluids or moving parts, reducing maintenance requirements and improving long-term reliability.

The gauge includes a clear liquid crystal display (LCD) that combines a five-digit numeric readout for precise pressure values with a 101-segment analog bar graph for quick trend visualization. The display is easily readable in various lighting conditions and includes a low battery indicator to ensure continuous operation.

The 1000B system is modular, comprising a gauge display, inline cable, and sensor assembly. This design allows the display to be positioned close to or remotely from the pressure measurement point, providing flexibility in installation. The system supports multiple connection types including 2” Male NPT, 2” 1502, 2” 2002/2202, or flanged connections to fit different piping standards.

Power is supplied by a replaceable internal 3.6 VDC battery pack, which typically lasts up to 18 months during continuous operation. The gauge system is designed to retain calibration and settings during battery changes or power interruptions, enhancing reliability in field use.

For integration with control systems, the 1000B offers optional 4-20 mA or 0-1 V outputs, enabling remote monitoring, data logging, or connection to PLCs and chart recorders. The system is built to withstand high vibration environments, making it suitable for offshore, drilling, and other heavy industrial applications.

Overall, the 1000B Pressure Gauge System provides a precise, low-maintenance, and versatile solution for pressure measurement needs where safety, accuracy, and durability are critical.

The HDI 9000 Choke Console System is an independently powered control console designed for critical well control operations in oil and gas drilling. It integrates multiple individual electronic gauge systems to provide precise monitoring of key parameters such as choke position, pump strokes, pressure, temperature, and mud gas separator status. This modular system typically includes pressure gauges, choke position indicators, pump stroke counters, mud gas separator monitors, and temperature gauges, all operating on a common platform.

Powered by an internal battery pack, the 9000 Console operates independently from rig power, ensuring reliable performance even in power loss scenarios. The system is designed for harsh drilling environments, offering robust, intrinsically safe components housed in durable enclosures. Its modular nature allows customization to meet specific client requirements, including sensor types, communication outputs, and display configurations.

The console supports long cable runs—up to 1500 feet—to accommodate various rig layouts and sensor placements. Displays provide clear visibility from distances up to 50 feet, with low power consumption enabling battery life between 12 and 18 months under continuous operation. Maintenance is simplified through field-replaceable components and minimal calibration needs.

Overall, the 9000 Choke Console System enhances operational safety and efficiency by consolidating critical monitoring functions into a centralized, battery-powered, and customizable platform suitable for both land and offshore drilling environments.

The HDI 2000P Pressure Gauge System is a solid-state electronic gauge designed to provide accurate and reliable pressure measurement in demanding industrial and oilfield environments. It is suitable for monitoring pressures up to 20,000 psi and is built to operate safely in hazardous locations.

The system includes a gauge display, inline cable, and a matched pressure sensor. The gauge features a 6-inch diameter LCD with a numeric display and a 101-segment analog bar graph for trend indication. The display is visible from up to 35 feet and is designed for use in varying lighting conditions.

Powered by a field-replaceable 3.6 V battery pack, the system supports continuous operation with minimal power consumption. Battery life is typically around 18 months, with a one-year guarantee. Calibration data is retained when powered off.

The pressure sensor uses a 3.5K strain gauge and is available in multiple pressure ranges. Sensors can be interchanged within specified ranges to reduce spare parts inventory. Connection types include 1” NPT, 2” line thread, ANSI or API flanges, 9/16” Autoclave, and 2” WECO.

Optional outputs include 4-20 mA and 0-1 Vdc signals for integration with chart recorders, PLCs, and remote displays. A remote display (slave gauge) option allows duplication of the pressure reading at another location.

The gauge and sensor are factory calibrated as a matched pair to ±0.50% full-scale accuracy. Calibration and configuration settings are stored in non-volatile memory and can be updated or reset by the user.

The 2000P Pressure Gauge System provides reliable pressure measurement with low maintenance requirements for industrial and oilfield applications.

The HDI 2200 Choke Position Indicator System is a battery-powered, intrinsically safe solid-state electronic gauge designed to monitor choke valve positions in oil and gas operations with high accuracy. It displays choke position in 1% increments from fully closed to fully open (0% to 100%) using a three-digit numeric readout alongside an analog bar graph segmented into 101 divisions for both precise measurement and quick visual trend analysis.

The system interfaces with linear, rotary, or retractable potentiometers housed in stainless steel enclosures. This flexibility allows for straightforward adaptation across many choke configurations without the need for onsite customization. The sealed stainless steel housing and solid-state electronics enable the 2200 to operate reliably in harsh field conditions, including high vibration environments typical in land and offshore drilling.

Its compact display unit measures approximately 8 by 8 by 4 inches and weighs around 5 pounds. The system is powered by an intrinsically safe 3.6V DC battery pack, with a low battery indicator to ensure timely maintenance and uninterrupted operation. Field-repairable components minimize downtime and allow for easy servicing. The system supports dual sensors for integration with human-machine interfaces (HMI) or programmable logic controllers (PLC), enabling remote monitoring and automation. The 2200 system replaces traditional pneumatic indicators, eliminating the need for air lines and reducing maintenance complexity, while offering a simple calibration interface to facilitate setup and ongoing adjustments.

The HDI 2250 Valve Position Indicator System provides a reliable method to monitor the open or closed status of manual and hydraulically operated gate valves on choke manifolds. It offers two modes of position verification: a clear visual indicator mounted directly on the valve, and an electronic signal transmitted remotely to control rooms or monitoring systems. This dual feedback delivers real-time valve position information both locally and from a distance, enhancing operational control and safety.

The system is compatible with a wide range of rising and non-rising stem gate valves from various manufacturers, adding position monitoring without compromising valve integrity or certification. An adapter enables installation on valves that lack built-in position feedback. The sensor is an inductive Namur type housed within a rugged 316 stainless steel case, engineered for hazardous oilfield environments. It operates on a 5 to 25 volts DC power supply, making it suitable for integration with most industrial control systems.

Weighing 15.3 pounds with the junction box mounted, the 2250 is built for durability and long-term performance in demanding onshore and offshore conditions. Once installed, it requires minimal maintenance, reducing operational downtime.

The system connects easily to local displays and remote monitoring platforms, offering a comprehensive view of valve positions across the manifold. It supports both Namur and proximity sensors, providing flexibility to meet different installation requirements.

The 2250 stands out for its ability to retrofit manual valves without modification, its robust construction for harsh environments, and dual visual and electronic position reporting. These features make it a practical, dependable choice for improving safety and operational awareness in oil and gas valve management.

The HDI 3200 MGS Differential Monitoring System is a battery-powered, stand-alone device designed to monitor critical pressures and temperature in Mud Gas Separator operations within oil and gas drilling environments. It measures and displays the differential pressure between the liquid seal and mud gas pressure, along with monitoring the mud temperature. These measurements are essential for maintaining safe and efficient separator function, ensuring proper gas-liquid separation, and preventing equipment damage or hazardous conditions.

The system uses accurate and reliable pressure and temperature gauges, with pressure readings displayed in 1 PSI increments. It supports alternate engineering units to meet user preferences or site requirements and provides a 4-20mA output for integration with local or remote monitoring and control systems.

The enclosure is made of a durable polycarbonate/PBT alloy that is impact-resistant and UV stabilized, suitable for harsh field conditions including exposure to sunlight, moisture, and rough handling. Its compact, modular design allows for easy installation and maintenance.

The 3200 MGS Differential Monitoring System is essential in drilling operations for continuously monitoring pressure differences and temperature within Mud Gas Separators. This helps ensure the separator is functioning correctly by preventing gas or liquid buildup that could lead to equipment damage or unsafe conditions. By providing real-time data, the system supports safer drilling processes, reduces downtime, and helps maintain optimal performance in challenging well conditions.