Precision Instrumentation Solutions for Process Equipment Manufacturers
High-performance, customizable instrumentation for OEM process equipment—supporting accurate measurement of pressure, temperature, flow, level, and analytical parameters in demanding industrial environments. Designed for compact integration, long-term stability, and full PLC/DCS compatibility, these instruments enhance control precision and reliability in filtration, reaction, dosing, and heat exchange systems.
Addressing the Core Challenges of Process Equipment OEMs
Process equipment OEMs face diverse operating conditions—from corrosive liquids and high-pressure systems to multi-parameter control in automated skids. Reliable, compact, and digitally compatible instrumentation ensures product consistency, ease of integration, and long-term durability across all process modules.
Precision in Compact Modular Systems
OEM skids require space-efficient sensors without sacrificing measurement accuracy. Compact transmitters with configurable ranges (0–10 bar, 0–100°C) and digital outputs simplify modular equipment integration.
Corrosion and Material Compatibility
Many OEM systems handle aggressive chemicals or high-purity fluids. Instruments built with 316L stainless steel, Hastelloy, or PVDF wetted parts ensure chemical compatibility and process purity.
Calibration Consistency Across Batches
OEM production requires standardized performance and minimal recalibration. Digitally compensated transmitters with EEPROM-stored calibration data guarantee consistent accuracy across production runs.
Digital Connectivity and System Integration
Equipment manufacturers need sensors that communicate seamlessly with PLC/DCS or SCADA.HART, Modbus RTU, and CANopen interfaces enable plug-and-play control and remote diagnostics for intelligent skid systems.
Instrumentation in Process Equipment Applications
Instrumentation ensures measurement reliability and process control across diverse OEM process systems, from chemical dosing skids to filtration, purification, and reaction modules.
Water & Filtration Systems
Pressure, level, and conductivity transmitters regulate filtration and RO units, maintaining stable flow and quality balance.
Chemical Dosing & Mixing Skids
Flow, pH, and temperature sensors provide precise dosing control, preventing overfeed and improving reagent efficiency.
Heating & Cooling Modules
Temperature and flow transmitters monitor heat transfer performance in thermal exchange and jacketed reactor systems.
Vacuum, Air & Gas Systems
Pressure and differential pressure transmitters support safe operation and leak detection in compressor and vacuum modules.
Process Reactors & Control Units
Multi-variable transmitters and analytical sensors provide feedback for real-time process control in chemical or bioprocess reactors.
Complete Process Instrumentation for Water & Wastewater
Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
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Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
View Product >
Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
View Product >
OEM Customization
Instrumentation solutions support tailored configurations for medical, laboratory, and industrial OEM systems, including footprint, interface, and calibration range customization.
System Compatibility
Supports multiple signal standards (4–20 mA, Modbus, RS485, CAN) and provides documentation for system validation, calibration, and diagnostics.
Production Consistency
Stable calibration and batch-to-batch validation ensure measurement reliability and reproducibility across OEM production volumes.
Engineering Partnership
Global teams with experience in medical gas, analytical, and automation equipment provide integration guidance and after-sales technical service to enhance product reliability.
Real-World Instrumentation Cases in Oil & Gas
Instrumentation solutions are applied throughout oil and gas facilities—from offshore platforms to LNG terminals and refineries—to improve process reliability, operational safety, and environmental compliance.These examples illustrate how durable, field-proven instruments support stable measurement under demanding service conditions.
Offshore Wellhead Pressure Monitoring
Challenge
Offshore wellhead manifolds are exposed to vibration, salt spray, and temperature fluctuation.Conventional pressure transmitters were prone to corrosion and connector fatigue, causing unstable readings and unplanned shutdowns.
Solution
A marine-grade 316L stainless-steel pressure transmitter with a sealed housing (IP68) and remote diaphragm seal was adopted for the production manifold.The compact transmitter design offered strong vibration resistance and supported digital communication via HART / Modbus for integration into the existing monitoring system.
Result
After more than a year of continuous operation, the instrument maintained stable output with minimal drift.Maintenance intervals were extended, and on-site service frequency was reduced, contributing to improved equipment uptime and lower offshore maintenance cost.
LNG Storage Level Measurement
Challenge
LNG tanks operate at cryogenic temperatures (–160 °C) where traditional float-type or DP gauges often lose accuracy due to frost and insulation effects.
Solution
An 80 GHz non-contact radar level transmitter was installed on the tank dome for continuous monitoring through vapor and insulation layers.
The PTFE-coated antenna and purge connection minimized ice accumulation, while signal-processing algorithms compensated for the low dielectric constant of LNG.
Result
The radar system delivered stable and repeatable level measurement over an extended period without recalibration.Tank inventory control became more precise, boil-off gas losses were reduced, and operators gained reliable real-time data for loading and unloading operations.
Refinery Flue-Gas Analysis
Challenge
In refinery furnaces and stacks, emission monitoring systems often suffer from probe contamination and signal drift, leading to inconsistent SO₂ / CO readings and frequent manual cleaning.
Solution
A multi-gas analyzer with automatic purging, a heated sampling probe (≈180 °C), and a PTFE-lined sample path was used for continuous flue-gas analysis.The analyzer provided digital outputs (Modbus / TCP) for connection to the plant DCS, supporting continuous trend recording and alarm functions.
Result
The installation improved measurement stability and reduced calibration and maintenance frequency.Reliable emission data supported environmental reporting and improved overall plant monitoring efficiency.
Related Resources
Explore valuable content to gain insights into best practices and critical considerations when working with chemical and petrochemical systems.
Contact Leierda
Reliable instrumentation supports precision, durability, and smart integration in oil and gas measurement and control.Work with our engineering team to achieve safer, more efficient, and digitally connected operations across your process.