Endress+Hauser T55 Explosion proof TC thermometer, US style
- Measuring Principle: Thermocouple
- Use With: Existing Thermowell
- Approval: FM/CSA XP Class I
- Stability: ≤0.05% Per Year
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Description
Endress+Hauser T55: High Modular Thermocouple Assembly
The Endress+Hauser T55: High Modular Thermocouple Assembly is engineered for exceptional performance in demanding industrial applications where reliability and precision are paramount. Designed to be used with existing thermowells, this modular assembly offers a flexible and robust solution for temperature measurement in harsh environments. It is particularly well-suited for sectors such as Power Plants, Refineries, and the Chemical or Petrochemical industries. By incorporating an optional head transmitter with advanced communication protocols, the T55 provides enhanced measurement accuracy and reliability, ensuring seamless integration into your process control systems. This assembly is a complete unit, ready for immediate use, offering a significant upgrade in temperature sensing technology.
Designed For Harsh Industrial Environments
The Endress+Hauser T55 is expertly designed for harsh industrial environments, providing a reliable temperature sensing solution even under extreme conditions. This modular assembly is intended for integration with existing thermowells, making it a versatile option for various process industries. Its robust construction ensures dependable performance in challenging settings. Specific applications where the T55 excels include:
- Power Plants: Monitoring temperatures in boilers, turbines, and exhaust systems to ensure optimal efficiency and safety in energy generation.
- Refineries: Providing accurate temperature data for critical processes such as distillation, cracking, and reforming, where extreme heat and corrosive substances are common.
- Chemical Industry: Ensuring precise temperature control in reactors, storage tanks, and pipelines to maintain product quality and prevent hazardous conditions.
- Petrochemical Sector: Withstanding the demanding conditions of petrochemical production, including high pressures and the presence of aggressive chemicals, ensuring uninterrupted operations.
- Offshore Platforms: Delivering reliable performance in the challenging marine environment, where equipment must endure corrosive elements, high pressures, and seismic activity.
Maximum Safety In Explosive Locations
The Endress+Hauser T55 ensures maximum safety in explosive locations through its advanced design and certifications. It features FM/CSA XP Class I, Div. 1 approvals, making it suitable for use in hazardous areas where flammable gases, vapors, or dusts may be present. This ensures that the T55 minimizes ignition risks, providing a secure and reliable temperature measurement point. The assembly utilizes a flexible, mineral-insulated (MI) probe designed to work within existing thermowells. This configuration enhances the overall safety and durability of the measurement setup, offering peace of mind in critical applications where safety is the utmost priority.
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Optimized For Existing Thermowell Use
The Endress+Hauser T55 is optimized for existing thermowell use, offering a highly adaptable solution for temperature measurement needs. This modular insert and probe assembly is designed to seamlessly integrate into a wide range of already installed thermowells. Available with a flexible, mineral-insulated (MI) insert, the T55 ensures excellent thermal transfer and protection for the thermocouple wires. The probe, designed for durability, comes in outer diameters of 1/4’’ (6.35 mm) and 3/8’’ (9.53 mm). With immersion lengths extendable up to 100″ (2540 mm) upon request, the T55 provides flexibility to match various process requirements, making it an efficient and cost-effective upgrade for existing temperature monitoring systems.
Superior Thermocouple Performance And Range
Experience superior thermocouple performance and range with the Endress+Hauser T55, an assembly built for precision across diverse industrial temperatures. The T55 utilizes a thermocouple measuring principle, supporting a variety of thermocouple types to suit specific application requirements:
- Type T: Ideal for low-temperature applications, covering -270 °C to 400 °C (-454 °F to 752 °F).
- Type J: Suitable for general industrial use, operating between -210 °C and 1200 °C (-346 °F to 2,192 °F).
- Type E: Offering high sensitivity, it measures from -270 °C to 1,000 °C (-454 °F to 1,832 °F).
- Type K: A widely used, robust option, spanning -270 °C to 1,372 °C (-454 °F to 2,500 °F).
- Type N: Known for its stability, it functions between -270 °C and 1,300 °C (-454 °F to 2,372 °F).
With standard or special accuracy according to ASTM E-230, and a rapid 63% response time of just 1 second, the T55 ensures quick and accurate thermal data.
Heavy Duty Design For Demanding Tasks
The Endress+Hauser T55 features a heavy duty design for demanding tasks, ensuring longevity and reliable performance in challenging industrial conditions. The assembly is constructed with a focus on durability, utilizing materials like 316 stainless steel and Alloy 600 for the sensor sheath, providing excellent resistance to corrosion and high temperatures. As a modular insert designed to be used with existing thermowells, it offers flexibility without compromising on robustness. The flexible, mineral-insulated (MI) probe contributes to the assembly’s resilience against vibration and mechanical stress. This robust construction makes the T55 an ideal choice for critical temperature monitoring applications in sectors where equipment failure is not an option.
Integrated Transmitter For Enhanced Data
An integrated transmitter for enhanced data output is a key feature of the Endress+Hauser T55, elevating its performance and utility. The optional head transmitter converts the raw thermocouple signals into highly accurate and reliable digital outputs, compatible with essential communication protocols such as 4-20 mA, HART, PROFIBUS PA, and FOUNDATION Fieldbus. This integration not only improves measurement precision but also offers enhanced galvanic isolation (2 kV on most devices) to shield against electrical interference. The iTEMP transmitters integrated with the T55 are renowned for their exceptional long-term stability, with drift rates of ≤0.05% per year, ensuring consistent and dependable readings over time. The transmitter’s SIL certification further solidifies the T55’s suitability for safety-instrumented systems.
Specifications
-
Measuring principle
Thermocouple
-
Characteristic / Application
Explosion Proof US style
modular temperature assembly
for heavy duty applications
with extension
to be used with existing thermowell -
Thermowell / protection tube
to use with thermowell
-
Insert / probe
mineral insulated (MI), flexible
-
Outer diameter protection tube / Insert
1/4” (6,35 mm)
3/8” (9,53 mm) -
Max. immersion length on request
up to 100″ (2540 mm)
others on request -
Material protection tube/ thermowell
Sensor sheath
316
Alloy 600 -
Optional coating
not applicable
-
Process connection
Thermowell connection
male thread:
NPT1/2″ -
Tip shape
straight
-
Surface roughness Ra
not applicable
-
Operating temperature range
Type T:
-270 °C …400 °C
(-454 °F …752 °F)
Type J:
-210 °C …1200 °C
(-346 °F …2.192 °F)
Type E:
-270 °C …1.000 °C
(-454 °F …1.832 °F)
Type K:
-270 °C …1.372 °C
(-454 °F …2.500 °F)
Type N:
-270 °C …1.300 °C
(-454 °F …2.372 °F) -
Max. process pressure (static)
not applicable
-
Accuracy
Standard acc. to ASTM E-230
Special acc. to ASTM E-230 -
Response time
63% rt = 1 s
-
Integration head transmitter
yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
-
Ex – approvals
FM XP
CSA XP
FM/CSA XP
CSA GP -
Certification
SIL (transmitter only)











