Rosemount 2240S Multi-input Temperature Transmitter for Tank Gauging
- High-Precision Custody Transfer Standard
- Multi-Spot Temperature Sensor Support
- Integrated Free Water Level Tracking
- Bus-Powered 2-Wire Tankbus Topology
- Severe Ambient Temperature Resilience
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Description
The Rosemount 2240S Temperature Transmitter delivers ultra-accurate temperature measurements for custody transfer and inventory calculations across bulk liquid storage terminals. In large atmospheric tanks, temperature gradients create liquid density variations that significantly skew volumetric accounting. Engineered specifically to solve stratified volume errors, this multi-channel instrument captures real-time liquid layers to guarantee precision custody verification.
Stratified Tank Monitoring with the Rosemount 2240S Temperature Transmitter
Bulk storage tanks holding crude oil, refined fuels, or petrochemicals require exact cross-sectional temperature profiles for net volume assessment. The Rosemount 2240S Temperature Transmitter connects with multi-spot sensors such as the Rosemount 765 and 565, reading up to 16 distinct RTD elements. By tracking individual spots alongside integrated water bottom sensors, terminal operators receive exact oil-water interface levels and true net volume figures.
Superior Custody Transfer Precision and API Compliance
Fiscal accountability across international storage terminals demands rigorous verification standards. The Rosemount 2240S Temperature Transmitter achieves an outstanding conversion accuracy of +/-0.05 deg C (+/-0.09 deg F), meeting all requirements defined in API MPMS Chapter 7.3. Its robust internal electronics calibrate resistance drift automatically, providing long-term measurement consistency without recurring recalibration routines.
Streamlined 2-Wire Tankbus Infrastructure
Refinery and tank farm upgrades require minimal installation overhead and simplified cable routing. The Rosemount 2240S Temperature Transmitter operates on an intrinsically safe 2-wire Tankbus based on Foundation Fieldbus technology. Field technicians can commission the device rapidly using Emerson TankMaster software or handheld field communicators, integrating multi-spot temperature data directly with Rosemount 5900 radar level gauges.
Specifications
:Technical Specifications
| Parameter | Technical Specification |
|---|---|
| Device Model | Rosemount 2240S Multi-input Temperature Transmitter |
| Measurement Accuracy | +/-0.05 deg C (+/-0.09 deg F) across full operational range |
| Sensor Element Inputs | Up to 16 Pt100 RTD elements (3-wire or 4-wire connections) |
| Water Level Input | Integrated input for bottom water level interface sensor |
| Field Communication | 2-wire intrinsically safe Tankbus (FISCO compliant Foundation Fieldbus) |
| Standards Compliance | API MPMS Chapter 7.3, OIML R85 custody transfer requirements |
| Ambient Operating Temperature | -40 deg C to +70 deg C (-40 deg F to +158 deg F) |
| Ambient Storage Temperature | -50 deg C to +85 deg C (-58 deg F to +185 deg F) |
| Enclosure Protection | Weather-proof IP66, IP67, and NEMA 4X polyurethane-covered aluminum |
| Diagnostics | Real-time sensor break detection and self-monitoring circuits |
| Power Supply | Bus-powered via Tankbus (9.0 to 17.5 VDC intrinsically safe) |
| Configuration Tools | Rosemount TankMaster software and standard Field Communicator |
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