Description
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High-Accuracy Multi-Point Temperature Measurement for Tank Gauging and Custody Transfer
The Rosemount 2240S Multi-input Temperature Transmitter is a high-performance temperature measurement solution designed for demanding tank gauging, inventory management and custody transfer applications.
With support for up to 16 temperature spot elements, the Rosemount 2240S provides accurate temperature profiling and average liquid temperature measurement. When combined with compatible Rosemount multiple spot temperature sensors, it can help provide reliable temperature data for net standard volume calculations and tank inventory management.
The transmitter delivers temperature conversion accuracy of up to ±0.05 °C (±0.09 °F) and supports three-wire or four-wire temperature sensor connections.
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Key Features
±0.05 °C Temperature Conversion Accuracy
The Rosemount 2240S provides temperature conversion accuracy of up to ±0.05 °C (±0.09 °F), helping improve the reliability of temperature measurements used for inventory calculations and custody transfer applications.
Up to 16 Temperature Spot Elements
Connect up to 16 three-wire or four-wire temperature spot elements to measure temperature at different heights inside a storage tank.
This multi-point measurement capability provides a more comprehensive temperature profile than a single-point temperature measurement.
Accurate Average Liquid Temperature
The transmitter calculates average liquid temperature based on individual temperature spot measurements and corresponding level information, supporting accurate net standard volume calculations.
Designed for Custody Transfer Applications
The Rosemount 2240S is designed for demanding custody transfer applications and supports temperature measurement requirements associated with API Chapter 7.3 applications.
Compatible with Rosemount Multiple Spot Temperature Sensors
The transmitter can be used with compatible Rosemount temperature sensors, including:
* Rosemount 565 Multiple Spot Temperature Sensor
* Rosemount 566 Multiple Spot Temperature Sensor
* Rosemount 765 Multiple Spot Temperature and Water Level Sensor
The Rosemount 565 provides multiple Pt-100 temperature elements at different heights to obtain a tank temperature profile and average product temperature. The Rosemount 765 additionally integrates water level measurement for improved volume calculations.
Two-Wire IS Bus Power Supply
The Rosemount 2240S supports convenient and safe installation using a two-wire intrinsically safe bus power supply, helping simplify field installation in tank gauging systems.
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Measurement Process
How Rosemount 2240S Works
The Rosemount 2240S is typically installed as part of a complete tank gauging system.
Multiple Pt-100 temperature elements are positioned at different heights inside the storage tank. The 2240S receives the individual temperature signals and provides temperature information for tank monitoring and inventory calculations.
For applications using the Rosemount 765 sensor, temperature measurement can be combined with free water level measurement.
Temperature Sensors → Rosemount 2240S → Tank Gauging System → Inventory / Volume Calculation
The multi-point configuration allows operators to obtain:
* Individual temperature measurements
* Tank temperature profile
* Average liquid temperature
* Temperature information for net standard volume calculations
* Water level information when combined with Rosemount 765
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Typical Applications
1. Oil Storage Tanks
The Rosemount 2240S can be used in petroleum storage terminals and tank farms where accurate temperature measurement is required for inventory management and custody transfer.
2. Fuel Storage
Multi-point temperature measurement helps operators understand temperature variations throughout large storage tanks and obtain more representative average product temperature data.
3. Chemical Storage
For suitable chemical storage applications, multi-point temperature measurement can help monitor temperature distribution within tanks.
4. LNG and Cryogenic Storage
When paired with compatible cryogenic temperature sensors such as Rosemount 566, the 2240S can be used for temperature profiling in cryogenic and refrigerated storage tanks.
Rosemount 566 is specifically designed for cryogenic and refrigerated tanks and can measure temperature at multiple heights using fully immersed Pt-100 elements. (Emerson.com)
5. Custody Transfer
The 2240S is particularly suitable for applications where accurate temperature measurement contributes to net volume calculations and custody transfer.
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Rosemount 2240S + Multiple Spot Temperature Sensor
A typical solution combines the Rosemount 2240S transmitter with a compatible multiple spot temperature sensor.
Rosemount 565 + 2240S
The Rosemount 565 uses multiple Pt-100 spot elements positioned at different heights to provide both a tank temperature profile and average product temperature.
Up to 16 spot elements can be used for liquid temperature measurement. (Emerson.com)
Rosemount 566 + 2240S
For LNG and other liquefied gas applications, the Rosemount 566 is designed for cryogenic and refrigerated storage tanks.
It provides multi-point temperature profiling using fully immersed Pt-100 elements. (Emerson.com)
Rosemount 765 + 2240S
The Rosemount 765 combines multiple spot temperature measurement with an integrated water level sensor.
This configuration can provide:
Product Temperature + Average Temperature + Free Water Level
helping improve product volume calculations in storage tank applications. (Emerson.com)
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Why Choose Rosemount 2240S?
High Measurement Accuracy
With temperature conversion accuracy up to ±0.05 °C, the transmitter is designed for applications where temperature measurement accuracy has a direct impact on inventory and volume calculations.
Multi-Point Measurement
One transmitter can handle up to 16 temperature spot elements, allowing temperature measurement at multiple tank heights.
Flexible Sensor Configuration
Three-wire and four-wire sensor configurations are supported, providing flexibility for different measurement accuracy and installation requirements.
Complete Tank Gauging Solution
The 2240S can be integrated with compatible Rosemount tank gauging products to create a complete solution for level, temperature, water level and inventory management.
Suitable for Global Industrial Applications
The Rosemount 2240S is designed for demanding industrial tank applications, including petroleum terminals, refineries, chemical facilities, fuel storage and cryogenic storage.
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Frequently Asked Questions
What is the Rosemount 2240S used for?
The Rosemount 2240S is a multi-input temperature transmitter mainly used for tank temperature measurement, inventory management and custody transfer applications.
How many temperature sensors can the Rosemount 2240S connect?
The transmitter can connect up to 16 temperature spot elements using three-wire or four-wire configurations. (Emerson.com)
What is the accuracy of the Rosemount 2240S?
The published temperature conversion accuracy is up to ±0.05 °C (±0.09 °F). (Emerson.com)
Which sensors are compatible with Rosemount 2240S?
The Rosemount 2240S can be used with Rosemount 565, 566 and 765 temperature sensor products. (Emerson.com)
Can Rosemount 2240S measure water level?
The transmitter can work with the Rosemount 765 Multiple Spot Temperature and Water Level Sensor, which integrates free water level measurement with multi-point temperature measurement. (Emerson.com)
Is Rosemount 2240S suitable for custody transfer?
Yes. The Rosemount 2240S is designed for demanding custody transfer applications requiring accurate temperature measurement for net standard volume calculations. (Emerson.com)
What is the temperature range?
For Pt-100 measurement, the published temperature measuring range is -200 to +250 °C (-328 to +482 °F). (Emerson.com)
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Order Rosemount 2240S Multi-input Temperature Transmitter
Looking for a Rosemount 2240S Multi-input Temperature Transmitter for your tank gauging project?
We can help you confirm:
* Required Rosemount 2240S model code
* Number of temperature elements
* 3-wire or 4-wire configuration
* Compatible Rosemount temperature sensor
* Rosemount 565 / 566 / 765 selection
* Tank application requirements
* Delivery and quotation
* Technical documentation
Send us your tank application details or required model number for a quotation.
Request a Quote Today
Product: Rosemount 2240S Multi-input Temperature Transmitter
Application: Tank Gauging / Inventory Management / Custody Transfer
Temperature Elements: Up to 16
Accuracy: ±0.05 °C
Contact us for model selection, availability and pricing.
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