Producto
E+H iTEMP TMT31 Temperature Transmitter
TMT31-AAA1A1A1
The iTEMP TMT31 is a high-precision, single-channel 4-20 mA analog RTD temperature transmitter designed for accurate, long-term signal conversion in demanding industrial automation applications. Engineered to support both Pt100 and Pt1000 resistance temperature detectors, this compact temperature transmitter fits seamlessly into Form B terminal heads or onto standard DIN rails in control cabinets. Featuring advanced push-in connection technology, tool-free wiring, and integrated Calendar-Van Dusen linearization, the TMT31 delivers an impressive measurement accuracy of up to ≤0.1 K alongside superior noise immunity and diagnostic signaling according to NAMUR NE 107. Pre-configured at the factory or easily programmable via free software, it serves as an exceptionally reliable, plug-and-play solution for process plant engineers and OEM instrument integrators worldwide.
The iTEMP TMT31 RTD temperature transmitter represents a cornerstone in precision temperature measurement and signal conversion for modern process control environments. Engineered to bridge the gap between temperature sensing elements and industrial control systems like PLCs or DCSs, this versatile transmitter transforms resistance signals from Pt100 and Pt1000 RTD sensors into a clean, noise-resistant 4-20 mA analog output. By eliminating signal degradation over long cable runs, it ensures uncompromised measurement integrity even in harsh electromagnetic surroundings. The unit features an ultra-compact footprint tailored for mounting within standard Form B sensor connection heads or directly onto cabinet DIN rails, offering maximum hardware flexibility across greenfield installations and retrofit projects.
Usability and rapid setup are embedded into the architecture of the TMT31 transmitter. Equipped with optional tool-free push-in terminals, field installation time is reduced by up to 85% compared to traditional screw terminals, while simultaneously minimizing the risk of loose connections caused by mechanical vibration or thermal cycling over extended operation periods. To maximize measurement performance in critical industrial loops, the device incorporates customizable Calendar-Van Dusen linearization, enabling precise matching between the specific RTD probe and the transmitter to reach unmatched system-level accuracy. Built-in diagnostic capabilities compliant with NAMUR NE 107 provide continuous status monitoring, alerting system operators instantly to sensor breakage, short circuits, or out-of-range thermal drift. Pre-configured according to customer requirements at the factory or configurable on-site via intuitive PC software tools, the iTEMP TMT31 provides process engineers, system integrators, and equipment manufacturers with a robust, cost-effective, and long-term stable temperature conversion platform designed for uninterrupted operation.
FAQ
Q: Can the iTEMP TMT31 temperature transmitter be mounted directly inside a terminal head?
A: Yes, the iTEMP TMT31 is designed in accordance with DIN EN 50446 Form B shape standards, allowing it to fit seamlessly inside industrial temperature sensor connection heads. It can also be converted for standard 35mm DIN rail mounting using an optional mounting clip.
Q: What wiring options are available for the TMT31 transmitter?
A: The transmitter offers user-friendly push-in spring terminals for fast, tool-free wiring during installation and maintenance, as well as traditional screw connection terminals depending on your specification.
Q: How does sensor-transmitter matching improve measurement accuracy?
A: By utilizing Calendar-Van Dusen (CvD) linearization coefficients specific to your RTD sensor, the TMT31 eliminates sensor curve mismatches, enhancing total measuring point accuracy down to ≤0.1 K across critical process ranges.
Q: Is the TMT31 temperature transmitter pre-configured before delivery?
A: Yes, devices can be ordered fully factory pre-configured according to your specific sensor type, temperature range, and output parameters, or they can be parameterized on-site using free PC software configuration tool kits.
Q: Does this transmitter support hazardous location installations?
A: The TMT31 holds certifications for use in Zone 2 / Division 2 areas (including ATEX Ex ec and CSA Non-Incendive), as well as marine classification approvals such as DNV.
Especificaciones técnicas
| Measuring principle | Modular Transmitter |
|---|---|
| Input | 1 x Pt100 / Pt1000, TC |
| Output | 1 x analog 4...20 mA |
| Auxiliary Power | 10...36 V DC |
| Communication | pc-programmable |
| Mounting | Terminal head form B / DIN rail |
| Measurement Accuracy | (Pt100,Pt1000, -50…+250°C) <= 0.1 K(Pt100,Pt1000, -58…+482°F) <= 0.18° F |
| Electrical Isolation | Yes (TC) |
| Certifications | DNV (GL) marine approval ATEX Ex ec CSA C/US General Purpose CSA C/US NI, Ex ec ATEX+ CSA C/US Ex ec Non-hazardous area + KC marking (Head, DinRail) |
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