Rosemount 2088 Gauge and Absolute Pressure Transmitter
Overview
Rosemount 2088 is a compact gauge and absolute pressure transmitter built on Emerson’s proven Rosemount capacitance-based sensor platform, engineered to deliver stable, repeatable process pressure measurement across liquid, gas, and steam applications. Widely deployed across oil and gas, power generation, water treatment, and general process industries, the Rosemount 2088 combines a lightweight, compact housing with a Local Operator Interface (LOI) that allows configuration directly at the device using simple push-buttons, eliminating the need for a separate handheld communicator for basic range and unit changes.
In Oman and the GCC, Seven Star LLC proudly supplies the Rosemount 2088 Gauge and Absolute Pressure Transmitter to end users, EPC contractors, and instrumentation integrators across the Sultanate of Oman and the wider GCC. Every unit supplied by our Muscat-based instrumentation division comes with manufacturer documentation, supported by local technical staff who understand the humidity, temperature extremes, and hazardous-area classification requirements common to Gulf process plants.
Measurement Principle
The Rosemount 2088 measures pressure through a capacitance-based sensing cell in which process pressure deflects a metallic sensing diaphragm positioned between two fixed capacitor plates. The resulting change in capacitance is converted by the transmitter’s electronics into a proportional 4–20 mA HART output signal, giving control systems a continuous, high-resolution representation of gauge or absolute process pressure. Because the sensing element has no moving mechanical linkage and is isolated from the process fluid by a welded isolating diaphragm and fill fluid, the design resists drift, vibration, and shock that would degrade the accuracy of mechanical gauges over time.
This capacitance-cell approach gives the Rosemount 2088 long-term stability specifications that reduce the frequency of recalibration, a significant advantage for plants operating on extended turnaround intervals. The transmitter also supports HART digital communication superimposed on the analog loop, allowing configuration, diagnostics, and re-ranging to be performed remotely from the control room or via the onboard LOI without interrupting the 4–20 mA process signal, which keeps commissioning and maintenance windows short.
Engineering Design of the Rosemount 2088
The Rosemount 2088 is housed in a rugged, low-profile aluminum enclosure rated for outdoor installation and available with hazardous-area certifications suited to Ex-classified process areas typical of Gulf refineries, gas plants, and offshore platforms. The device mounts directly to the process connection or onto a coplanar-style manifold, and Emerson offers factory-assembled manifold and remote-seal packages that arrive pre-tested as a single leak-checked assembly, reducing field joints and start-up leak paths.
The Local Operator Interface is built into the housing lid and provides a simple menu-driven display with two push-buttons, enabling technicians to zero, span, change engineering units, or review diagnostic status without opening the electronics compartment or connecting external tools. Wiring terminals accept standard two-wire loop-powered connections, and the compact form factor and light weight simplify installation on congested skids, pump packages, and compressor trains where space and mounting-bracket loading are limited.
Key Features
The Rosemount 2088 pressure transmitter delivers a combination of accuracy, simplicity, and ruggedness that makes it a preferred choice for general-purpose gauge and absolute pressure measurement across Oman’s industrial sectors.
- Capacitance-based Rosemount sensor technology provides long-term measurement stability and resistance to drift between calibration cycles.
- 4–20 mA HART and 1–5 Vdc HART Low Power output options support both conventional loop-powered systems and low-power wireless gateway integration.
- Built-in Local Operator Interface allows on-device configuration of range, units, and damping without a separate communicator.
- Compact, lightweight aluminum housing reduces installation loading on piping, skids, and vibrating rotating equipment.
- Factory-assembled manifold and remote-seal options arrive pre-tested, cutting field assembly time and eliminating extra leak points.
- Compatible with the full Rosemount 275/375/475 Field Communicator and AMS device management software for remote diagnostics and configuration.
- Hazardous-area approvals support installation in explosion-proof, intrinsically safe, and flameproof classified zones.
- Broad turndown ratio allows a single transmitter model to cover multiple pressure ranges as process conditions change.
Industrial Applications
The Rosemount 2088 is routinely specified for gauge and absolute pressure measurement on pump discharge lines, compressor suction and discharge headers, filter differential monitoring, tank and vessel pressure, and general utility air and water systems across Oman’s oil, gas, and petrochemical facilities. In power generation plants and desalination facilities along the Omani coast, the transmitter is used on boiler feedwater lines, RO membrane skids, and cooling water circuits where a compact, field-configurable transmitter with HART diagnostics reduces both installation footprint and long-term maintenance cost.
In Oman and the GCC, Seven Star LLC distributes the Rosemount 2088 to process plants, EPC contractors, and maintenance teams throughout the Sultanate of Oman and the broader GCC, including projects in the Sohar and Salalah industrial and free zones. Technical support in Muscat means that replacement transmitters, spare sensor modules, and manifold assemblies can be specified and quoted for pressure loops that are critical to safe and continuous plant operation.
Technical Specifications
The table below summarizes the core specifications of the Rosemount 2088 gauge and absolute pressure transmitter as published in Emerson’s official product documentation.
| Parameter | Specification |
|---|---|
| Model | Rosemount 2088 |
| Measurement Type | Gauge and Absolute Pressure |
| Output Signal | 4–20 mA HART; 1–5 Vdc HART Low Power |
| Local Interface | Local Operator Interface (LOI) with push-button configuration |
| Process Connection | ¼-18 NPT and coplanar flange options; factory-assembled manifolds available |
| Housing Material | Low-copper aluminum, polyurethane finish |
| Wetted Materials | 316L stainless steel and Hastelloy C-276 isolating diaphragm options |
| Communication Protocol | HART, compatible with 275/375/475 Field Communicator and AMS software |
| Hazardous Area Approvals | Explosion-proof, intrinsically safe, and flameproof certifications available |
| Power Supply | Two-wire, loop-powered 10.5–42.4 Vdc |
Request a Quote for Rosemount 2088
Seven Star LLC invites process engineers, procurement teams, and maintenance departments across Oman and the GCC to submit a formal request for quotation for the Rosemount 2088 Gauge and Absolute Pressure Transmitter. In Oman and the GCC, we supply common ranges and configurations on request, provide the Emerson technical datasheet on request, and connect customers directly with our instrumentation division for application sizing, manifold selection, and hazardous-area certification guidance. Contact Seven Star LLC today to secure genuine, factory-warrantied Rosemount 2088 transmitters with fast regional delivery.
Browse the full Rosemount range or see more Pressure Instrumentation products supplied by Seven Star LLC in Oman and the GCC.
- Datasheet Rosemount 2088 Datasheet Download
Rosemount product families on this page
Pressure includes the 3051 in its variants (3051T in-line, 3051L for liquid level, 3051CF DP flowmeter and the 3051SMV MultiVariable transmitter), the 2051 and 1199 diaphragm seal systems. Level instruments are the 3300 guided wave radar, the 5408 non-contacting radar and the 2120 vibrating fork switch. Temperature is covered by the 248 and 644 head mount transmitters and the 848T high density transmitter for multiple sensor inputs. The 8800D vortex flowmeter and the 702 wireless discrete transmitter are also listed, along with liquid analysis sensors.Where Rosemount instruments are used
These are standard instruments in oil and gas production, refining, petrochemical, power and water plants. Typical duties are line and vessel pressure, differential pressure flow across orifice plates, tank and separator level and interface, and temperature measurement on pipes, reactors and rotating equipment.Ordering Rosemount transmitters: what we need
Send the complete model string and the serial number from the nameplate; a photo is ideal. Every character of the string selects something: range, output, materials of the isolating diaphragm and flange, process connection, housing, approval and options. If you are specifying a new point, give the measured variable and span, process fluid, pressure and temperature, connection, output (4-20 mA HART, FOUNDATION Fieldbus or wireless), display and hazardous area approval. For remote seals add flange size, rating and capillary length.Browse Rosemount products by category: Pressure Instrumentation, Temperature Instrumentation, Level Transmitter, Liquid Analysis Sensors, Flowmeters.
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