Description
Product Description
Overview
The SE4303T02 by EMERSON is a high-precision thermocouple and low-level millivolt CHARM module designed for DeltaV electronic marshalling systems. It accurately measures temperature and voltage signals, supporting thermocouple types J, K, E, B, and N. The module ensures signal integrity through galvanic isolation and cold junction compensation, while built-in diagnostics monitor signal quality and detect faults. Its compact design allows seamless integration into DeltaV CHARM I/O cards, making it ideal for chemical, power generation, and oil & gas applications.
Key Features
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High-resolution thermocouple and millivolt input for precise measurements
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Supports thermocouple types: J, K, E, B, N
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Galvanic isolation for each input sensor, tested to 1000 VDC
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Cold junction compensation with ±1.0°C accuracy over -40°C to 85°C
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24-bit A/D converter for exceptional resolution
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Built-in diagnostics for open sensor detection, fault identification, and signal validation
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Easy pluggable installation into DeltaV CHARM I/O cards
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Low power consumption with 0.30 W heat dissipation
Technical Specifications
| Specification |
Details |
| Model / Part Number |
SE4303T02 |
| CHARM Type |
Thermocouple/mV Input |
| Voltage Input Range |
Typically ±100 mV |
| Accuracy |
High-precision for temperature readings |
| Resolution |
24-bit A/D, sensor-dependent |
| Repeatability |
0.05% of span |
| Calibration |
Factory-calibrated, no field calibration required |
| Isolation |
Each sensor galvanically isolated; tested to 1000 VDC |
| Common Mode Rejection |
90 dB (DC/50/60 Hz) |
| Power Requirement |
22 mA max @ 24 VDC |
| Cold Junction Compensation |
±1.0°C accuracy, -40°C to 85°C |
| Open Sensor Detection |
Yes |
| Heat Dissipation |
0.30 W |
| Installation |
Pluggable into CHARM I/O cards, DeltaV compatible |
| Diagnostics |
Built-in fault detection and signal validation |
| Certifications |
Industrial safety and performance standards compliant |
Applications
Optimized for industrial environments requiring precise temperature or millivolt signal monitoring. Typical deployments include chemical plants, power generation facilities, and oil & gas operations where reliability and signal accuracy are critical.
FAQ
Q: Which thermocouples are compatible with this module?
A: The SE4303T02 supports J, K, E, B, and N type thermocouples.
Q: Does this module require field calibration?
A: No, the module is factory-calibrated for immediate installation and operation.
Q: How is signal integrity ensured?
A: Each sensor input is galvanically isolated, and cold junction compensation maintains accurate temperature readings.
Q: Can it detect faults automatically?
A: Yes, built-in diagnostics detect open sensors and validate signal quality.
