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WIKA T32 HART Temperature Transmitter
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Sensor Compatibility: Universal inputs for resistance thermometers (Pt100, Pt1000), thermocouples (all standard types), mV, and resistance sensors
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Communication Protocol: HART 5, 6, and 7 protocol with 4 to 20 mA analog output signal
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Functional Safety: TÜV-certified SIL 2 / SIL 3 assessment according to IEC 61508
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Mounting Formats: Available as head-mounted puck (Form B) or DIN rail-mounted housing (T32.3S)
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Measurement Accuracy: High digital precision up to ±0.1 K with Pt100 RTDs
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Galvanic Isolation: 1,500 V AC isolation between sensor input and current output loop
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Diagnostics: Configurable sensor break/short-circuit detection compliant with NAMUR NE 43
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Hazardous Area Approvals: ATEX, IECEx, and FM explosion-proof and intrinsically safe certifications
Description
The WIKA T32 HART Temperature Transmitter delivers superior process accuracy, functional safety, and universal sensor conditioning for chemical plants, refineries, and offshore facilities across the UAE.
Advanced Signal Conditioning with the WIKA T32 HART Temperature Transmitter
Designed for mission-critical industrial processes, the WIKA T32 HART Temperature Transmitter converts inputs from resistance thermometers, thermocouples, resistance sensors, and millivolt sources into a stable 4 to 20 mA loop overlaid with HART digital communication. Its advanced microprocessor design features high galvanic isolation to eliminate ground loops and protect connected plant control systems.
Available in both DIN EN 50446 Form B head-mounted housings and compact DIN rail packages, the instrument adapts to field enclosures and central control cabinets alike. With full SIL 2 and SIL 3 functional safety certifications, the unit ensures maximum process uptime and dependable measurement integrity in high-risk environments.
Key Features and Engineering Highlights
- Universal Input Capability: Connects to 2-, 3-, or 4-wire RTDs, all common thermocouple calibrations, potentiometers, and direct voltage sources.
- Functional Safety Compliance: Certified to IEC 61508 SIL 2 (single device) and SIL 3 (redundant architecture) by TÜV.
- HART Interoperability: Compatible with all standard HART field communicators, AMS, and FDT/DTM configuration tools.
- Extensive Diagnostics: Continuously monitors sensor integrity, lead resistance, and hardware health per NAMUR NE 43 guidelines.
- Flexible Installation Options: Select between head-mount (T32.1S) for local probe integration or rail-mount (T32.3S) for control panels.
Technical Specifications
| Technical Parameter | Specification Details |
|---|---|
| Instrument Model | WIKA T32 HART Temperature Transmitter |
| Sensor Inputs | Pt100, Pt1000, Thermocouples (Types B, E, J, K, N, R, S, T), mV, Resistance |
| Output Signal | 4 to 20 mA with HART protocol (HART 5, 6, 7 selectable) |
| Safety Integrity Level | SIL 2 / SIL 3 certified (IEC 61508) |
| Galvanic Isolation | 1,500 V AC between input, output, and power supply |
| Measurement Accuracy | Typ. ±0.1 K (Pt100), ±0.5 K (Thermocouple Type K) |
| Operating Power | DC 10.5 to 42 V (standard), DC 10.5 to 30 V (intrinsically safe) |
| Mounting Options | DIN Form B head-mounted puck or 35 mm DIN rail enclosure |
| Operating Temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
Industrial Applications and Process Integration
The WIKA T32 HART Temperature Transmitter is deployed in demanding industrial environments, including:
- Petrochemical refineries and offshore hydrocarbon processing platforms.
- Thermal crack units, synthesis reactors, and high-temperature furnace monitoring.
- Safety Instrumented Systems (SIS) requiring certified SIL temperature shutdowns.
- Power generation facilities, steam boiler loops, and gas turbine exhaust lines.
Frequently Asked Questions
What mounting configurations are available for the WIKA T32 HART Temperature Transmitter?
The transmitter is manufactured in two primary variants: the head-mounted puck (model T32.1S) for installation inside DIN EN 50446 Form B connection heads, and the rail-mounted version (model T32.3S) for 35 mm DIN rails in automation cabinets.
Is the transmitter compatible with handheld field communicators?
Yes. Because it uses standard HART communication, the transmitter connects seamlessly with Emerson 475, Trex, Yokogawa, and PC-based FDT/DTM packages using standard Device Descriptions (DD).
How can engineers request quotes or technical datasheets?
Official technical specifications, project tender sizing, and B2B pricing can be requested directly through our engineering support team at auzar.ae.
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