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6I3B Thermal Mass Flowmeter - Processelite
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6I3B Thermal Mass Flowmeter - Processelite
Product name:
Thermal Mass Flowmeter
Product series:

6I3B

Product brand:
E+H/Endress+Hauser
Product feature:
• Insert‑type device: DN80…1500 (3…60") • Bi‑directional flow measurement; high measurement performance • Patent‑protected drift‑free sensor, SIL 2 certified • Separate device with up to 4 input/output channels • Backlit display, touch‑key control and WLAN access • Standard cable connects sensor and transmitter • Flexible configuration: 21 standard gas options available, user‑defined gas mixtures are also supported • High‑level process control: Premium‑grade measurement accuracy and excellent measurement repeatability • Reliable monitoring: detection of process disturbances and reverse flow • Flexible installation: wide applicable diameter range, suitable for measurement in round or rectangular ducts • Full visibility of process and diagnostic information: multiple user‑configurable I/O combinations and fieldbus options • Reduced complexity and variability: user‑definable I/O functions • Self‑verification function with Heartbeat Technology
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Measuring principle:
Based on the thermal‑diffusion measuring principle, the medium flows past a heated RTD (Pt100) and directly carries away part of the heat. The mass flow rate is obtained by monitoring the cooling effect. The flowmeter incorporates two Pt100 RTDs installed in the measuring zone. One Pt100 measures the actual fluid temperature, while the other Pt100 is heated. The temperature sensor monitors and records the actual process temperature. The heated RTD adjusts its sensor temperature by controlling the current flowing through the heating element, so as to maintain a constant temperature difference relative to the current process temperature. The higher the mass flow rate of the measured medium, the stronger the cooling effect, and the higher current is required to keep the temperature difference constant. Therefore, the mass flow rate of the medium can be measured by monitoring the current through the heating element.
Product positioning:
High‑end & Insert‑type
Using scenario:
t‑mass I features a patented sensor design. Based on the thermal principle, it is inserted into the pipeline for mass flow measurement and delivers outstanding measurement stability. It enables effective real‑time compensation for changes in process conditions: temperature, pressure, flow direction and gas type. The compact transmitter offers great flexibility for operation and system integration: operation and wiring are arranged on the same side of the transmitter; remote display is optional; I/O functions can be freely configured with diverse system integration options. Heartbeat Technology ensures measurement reliability and verification compliance. • The measuring principle provides a high turndown ratio and direct mass flow measurement. • Measures utility gases and gas mixtures in circular pipelines or rectangular ducts.
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