Description
Product Overview
The ABB TTH300 is a high-performance loop-powered temperature transmitter designed for reliable and accurate measurement in demanding industrial environments. As a universal 2-wire transmitter, it connects directly to a wide range of RTD (Pt100, Pt500, Pt1000) or thermocouple sensors and converts the input into a precise, isolated 4-20 mA analog output signal with integrated HART® communication. The ABB TTH300 is built for durability, featuring a robust, compact housing with high immunity to electromagnetic interference and vibrations. Its core strength lies in its exceptional accuracy, long-term stability, and user-friendly configuration via a local magnetic push-button interface or a HART® communicator. With advanced diagnostics and sensor fault detection, this transmitter ensures measurement integrity, making it a trusted component for critical temperature monitoring and control loops across process industries, power generation, and heavy machinery.
Parameter Values
- Product Model: ABB TTH300
- Brand: ABB
- Warranty: 1 Years
- Supply Voltage: 12 to 35 V DC
- Operating Temperature: -40 °C to +85 °C (ambient)
- Sensor Input: Universal for RTDs (Pt100, Pt500, Pt1000)
- Output Signal: 4-20 mA HART® 5/7/8, linear to temperature
- Basic Accuracy: ±0.05% of span (for RTD), ±0.075% of span (for T/C)
- Long-term Stability: < ±0.1% of URL per 5 years
- Ambient Temperature Effect: < ±0.015% of URL per 10°C
- Response Time: Adjustable from 0.5 to 64 seconds
- Communication: HART® protocol, local magnetic push-button interface
- Protection Class: IP66 / NEMA 4X
- Safety & Compliance: ATEX, IECEx, SIL 2 capable
- Load Limit: 0 to 600 Ω (at 35V supply)
- Process Connection: ½” NPT or G½” thread
Key Functions
- Universal Sensor Compatibility: TTH300 Software-selectable for nearly all standard RTD and thermocouple types, offering maximum application flexibility and reducing spare part inventory.
- Intrinsic Safety & Diagnostics: Features continuous sensor monitoring for breaks, shorts, and out-of-range conditions, with configurable fault response (e.g., hold last value, upscale/downscale alarm).
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Application Scenarios
- Critical Process Measurement: Accurate temperature monitoring of reactors, distillation columns, and pipelines in oil & gas, chemical, and pharmaceutical processing.
- Power Plant Monitoring: Reliable measurement of steam lines, turbine bearings, and flue gas temperatures for efficiency optimization and equipment protection.
- Heavy Industrial Machinery: Providing robust temperature feedback on large motors, pumps, compressors, and gearboxes in mining, metals, and cement production.
- Enjoy Chat and Email support in below
Email: [email protected] -
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