WIKA UPT-20 Universal Process Pressure Transmitter

Overview

The WIKA UPT-20 universal process pressure transmitter is an intelligent sensor developed for applications that demand precise, temperature-compensated pressure measurement across a wide range of process industries. The WIKA UPT-20 features a measuring cell built from stainless steel 316L or a high-quality Elgiloy® combination, a case rotatable by 330°, and a large LC display readable from up to 5 meters, making it equally suited to control-room panels and field-mounted skids across pharmaceutical, food, chemical, and general process plants.

As the official authorized partner and exclusive regional representative for WIKA, Seven Star LLC proudly supplies the WIKA UPT-20 process transmitter to instrumentation engineers, EPC contractors, and plant maintenance teams across Oman and the wider GCC, backed by genuine WIKA warranty coverage, calibration traceability, and locally stocked units for time-sensitive plant turnarounds.

Measurement Principle

The WIKA UPT-20 derives its pressure signal from a piezoresistive measuring cell whose output is digitally linearized and temperature-compensated by onboard microelectronics before being converted to a standard 4…20 mA output. Because the transmitter measures and corrects for temperature drift continuously, the UPT-20 maintains accuracy across a wide ambient and process-temperature envelope, and its adjustable turndown of up to 100:1 lets engineers reconfigure a single physical unit to register exact process values across substantially different pressure spans without a hardware change.

Communication with the sensor is available both through conventional 4…20 mA analogue loops and through the HART® protocol, meaning the same measuring cell can be installed on legacy analogue panels or on modern distributed control systems, and reconfigured on-site via the display and operating module or remotely through the control system itself. This flexibility means no re-piping and no additional wiring is required when a plant migrates from analogue to digital asset management, and it eliminates the mechanical linkages and moving parts found in older bourdon-tube gauge-style transmitters.

Engineering Design of the WIKA UPT-20

The WIKA UPT-20 is offered in either an electrically conductive plastic case for general industrial duty or a stainless steel cast case – optionally electropolished – for hygienic and corrosive process environments, both rated IP66/IP67 for outdoor and washdown installations. The case rotates a full 330° and the LC display can additionally be repositioned in 90° steps, so the transmitter can be mounted in virtually any orientation on a manifold or process connection while keeping the display legible to an operator walking the unit.

Process connections include 1/4 NPT male, 1/2 NPT female, 1/2 NPT male and additional standards per the datasheet, while the electrical connection is a 1/2 NPT female conduit entry suited to armored cable installations common on GCC industrial sites. Approvals for hazardous-area use extend the UPT-20’s applicability to classified zones in refineries, tank farms, and offshore platform topsides, and the simple menu navigation on the display module allows field technicians to reconfigure range, damping, and output without specialized tools.

Key Features

The WIKA UPT-20 pressure transmitter combines industrial ruggedness with configuration flexibility that suits both greenfield and brownfield instrumentation projects in Oman and the GCC.

• Stainless steel 316L or Elgiloy® measuring cell with integrated temperature compensation for stable accuracy.
• 4…20 mA output with HART® protocol for both analogue and digital process-control integration.
• Adjustable turndown up to 100:1 lets one physical unit cover multiple pressure ranges.
• Case rotatable 330° with LC display adjustable in 90° steps for readability in any mounting orientation.
• Large LC display legible from up to 5 meters, reducing the need for separate local gauges.
• Choice of conductive plastic or electropolished stainless steel case for hygienic and corrosive services.
• IP66/IP67 protection rating suited to outdoor GCC installations and washdown duty.
• Approvals for hazardous areas support deployment in classified refinery and offshore zones.

Industrial Applications

The WIKA UPT-20 is deployed across control and process technology, machine building, pharmaceutical and hygienic industries, food processing, and chemical and petrochemical plants, wherever a robust, field-configurable pressure transmitter with local indication is required. In Oman, typical installations include process-pressure monitoring at petrochemical and refining complexes, hygienic pressure measurement on food and beverage filling lines, and utility pressure monitoring at district cooling and desalination facilities where reliable HART®-based diagnostics reduce unplanned downtime.

As the officially authorized partner for WIKA, Seven Star LLC distributes the UPT-20 process transmitter to EPC contractors and plant operators throughout Muscat, the Sohar and Salalah industrial and free zones, and neighboring GCC markets, supporting hazardous-area refinery instrumentation, hospital utility systems, and hospitality-chain HVAC plant rooms that require dependable pressure measurement with local calibration and support.

Technical Specifications

The table below summarizes the core specifications relevant to sizing and installing the WIKA UPT-20 process pressure transmitter.

Call To Action

Seven Star LLC invites instrumentation engineers and EPC contractors across Oman and the GCC to submit a formal RFQ for the WIKA UPT-20 universal process pressure transmitter. As the authorized partner for WIKA in Oman and the GCC, we hold regional warehouse stock for rapid dispatch, provide the full technical datasheet PE 86.05 on request, and connect buyers directly with our instrumentation division for range selection, hazardous-area certification guidance, and HART® configuration support.