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Chongqing Chuanyi TTS28 Smart Temperature Transmitter
TTS28
The Chongqing Chuanyi TTS28 is a high-performance smart temperature transmitter designed for precise temperature measurement of liquids, gases, and solid surfaces in industrial environments. Featuring advanced non-linear correction technology and HART 7.0 communication, it delivers exceptional accuracy, long-term stability, and robust process reliability.
Advanced Measurement Performance and Smart Technology
The Chongqing Chuanyi TTS28 Smart Temperature Transmitter represents a new generation of high-precision process instrumentation. Utilizing sophisticated non-linear correction techniques, the device guarantees a completely linear relationship between the output signal and the measured temperature. Equipped with a high-accuracy cold junction compensation circuit and an internal drift self-correction system, it maintains exceptional measurement precision across its entire operating temperature range.
Flexible Multi-Sensor Input and HART Communication
Designed to accommodate diverse industrial needs, the TTS28 supports a comprehensive variety of input signals, including multiple RTD types (Pt10, Pt100, Pt1000, Cu50, Cu100), thermocouples (B, E, J, K, N, R, S, T), ohms, and millivolt sources. It features standard 4-20mA current output paired with HART 7.0 communication capabilities, allowing for effortless remote configuration, digital data integration, and advanced diagnostic monitoring using standard handheld communicators or software.
Rugged Construction and Safety Certifications
Built to endure harsh industrial settings, the TTS28 offers robust explosion-proof configurations including intrinsic safety (Ex ia IIC T4/T6 Ga) and flameproof protection (Ex db IIC T6 Gb / Ex tb IIIC T85°C Db). The dual-compartment or dedicated single-compartment heavy-duty housing options—available in durable aluminum or high-grade stainless steel—provide superior resistance against environmental corrosion and electromagnetic interference, ensuring reliable round-the-clock operation in complex industrial plants.
Applications
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Petroleum & Petrochemical: Crude oil refining, pipeline monitoring, reaction temperature control, and hazardous area thermal tracking.
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Chemical & Fine Chemical: High-temperature reactor oversight, chemical synthesis monitoring, and distillation column management.
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Power Generation: Boiler temperature profiling, steam turbine monitoring, and auxiliary plant system control.
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Metallurgy & Building Materials: Furnace temperature control, metal processing, and kiln thermal management.
Technical Specifications
| Technical Parameter | Specification / Performance |
| Input Signals | RTD (Pt100, Pt1000, Pt10, Cu50, Cu100), Thermocouple (B, E, J, K, N, R, S, T), Resistance (0-800 Ohm), Millivolt (-320mV to 320mV) |
| Output Signal | Two-wire 4-20mA DC with HART 7.0 communication protocol |
| Basic Accuracy | Up to ±0.15°C (depending on sensor type and input range) |
| Cold Junction Accuracy | ±0.5°C (for thermocouple inputs) |
| Power Supply | 12V DC to 42V DC (Ripple content <= 0.5%) |
| Explosion-Proof Ratings | Intrinsic Safety (Ex ia IIC T4/T6 Ga), Flameproof (Ex db IIC T6 Gb), Dust Ignition-proof (Ex tb IIIC T85°C Db) |
| Display Option | Optional local LED/LCD visual display screen |
| Process Connections | 1/2 NPT or M20 x 1.5 internal female threads |
| Long-Term Stability | ±0.15% of output reading or 0.15°C per 2 years (whichever is greater) |
FAQ
Q1: What input sensor types are supported by the TTS28 transmitter? A: The TTS28 is a universal transmitter supporting a wide array of temperature sensors, including various platinum and copper RTDs (Pt100, Pt1000, Cu50), standard thermocouples (K, J, S, B, E, N, R, T), as well as direct ohm and millivolt signals.
Q2: Does the TTS28 support remote configuration via HART protocol? A: Yes. The unit features built-in HART 7.0 communication protocol, enabling users to easily configure parameters, perform diagnostics, and monitor variables remotely using standard HART handheld communicators or PC software.
Q3: What hazardous area certifications does this transmitter hold? A: The TTS28 provides strict safety protection with multiple certifications, including intrinsic safety (Ex ia IIC T4/T6 Ga) and flameproof enclosure ratings (Ex db IIC T6 Gb) suitable for explosive gas and dust atmospheres.
Q4: Is a local digital display available for this model? A: Yes. The transmitter can be ordered with an optional integrated LED/LCD display head for clear on-site process value visualization.
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