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  5. Transmisores de temperatura inteligentes
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  9. Transmisor HART de Doble Canal NCS-TT305H
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305
Transmisor de Temperatura NCS TT305

Transmisor HART de Doble Canal NCS-TT305H

NCS TT305

Descripción general del producto

The NCS-TT305 series HART temperature transmitter is a TÜV-certified high-precision, low-temperature-drift, and high-reliability product, serving as an important field device in process control. This device integrates a rich set of functional modules, enabling both general detection functions and complex control strategies.

The NCS-TT305 series temperature transmitter supports 4–20 mA + HART protocol y LCD display, and can be widely used in industries such as petroleum, chemical, power, and metallurgy.

NCS-TT305 Certification
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Casos de aplicación
Señal de salida 4–20mA + HART, Burst Mode Supported
Versión del protocolo HART 7
Voltaje de alimentación Non-Ex: (13~45)VDC; Ex d: (13~45)VDC; Ex ia: (13~30)VDC
Cableado del sensor conexión de 2 hilos, 3 hilos o 4 hilos
Tipos de Señal de Entrada Resistance (Ω): 0~500Ω, 0~2000Ω, 0~4000Ω, 0~40000Ω;
RTD: Cu50, Cu50_GOST, Cu100, Cu100_GOST, Pt50_GOST, Callendar-Van Dusen (Pt100), Pt100, Pt100_GOST, Pt200, Pt500, Pt1000, Ni50, Ni100, Ni120, Ni1000;
Voltage (mV): -100mV~100mV;
Thermocouple (TC): B, E, J, K, N, R, S, T, L_GOST, A (W5ReW20Re), C (W5ReW26Re), D (W3ReW25Re), NiCrAuFe, CuAuFe
Número de canales Doble canal
Precisión actual Current accuracy: 0.05%; Current temperature drift: 0.005%/°C
Aislamiento eléctrico 2kVAC (test) / 50VAC (working)
Efecto del voltaje ±0,0051 TP3T/V
Tiempo de respuesta 1.0~1.65s, depending on sensor type and wiring
Tiempo de arranque Menos de 10 segundos
Constante de tiempo de amortiguación 0~32s
EMC IEC 61326
Protección contra explosiones IECEx: Ex ia IIC T6…T4 Ga;
ATEX: II2G Ex db IIC T6…T4 Gb, II2D Ex tb IIIC T85°C…T110°C Db
Pantalla LCD Compatible
Operación del teclado Supported (local button configuration)
Temperatura de funcionamiento -40~85°C; optional -55~85°C
Rango de humedad 5~95%RH
Temperatura de almacenamiento -50~85°C
Señales de Alarma Saturation Low: [3.75–4.0)mA, default 3.8mA;
Saturation High: (20–20.8]mA, default 20.5mA;
Alarm Low: [3.5–3.7]mA, default 3.6mA;
Alarm High: [21.0–23.0]mA, default 21.75mA
Vibration Specification 2–25Hz: ±1.6mm; 25–100Hz: ±4g
Dimensiones 139.7 × 111.9 × 112.0mm
Materiales de construcción Aluminum, Polycarbonate
Peso Approx. 1.67kg
  • Converts RTD, thermocouple, linear resistance, and millivolt (mV) input signals into a 4–20 mA output with HART 7 communication. Burst mode is supported.
  • Dual-channel sensor input supports sensor hot backup and cross-channel temperature drift monitoring between Sensor 1 and Sensor 2.
  • Hot backup automatically switches the loop output to the healthy sensor when the active channel fails due to an open or short circuit, ensuring uninterrupted process measurement without manual intervention.
  • Supports corrosion detection for 4-wire RTDs and 2-wire thermocouples by monitoring wiring resistance against configurable thresholds (RTD: 5–250 Ω, default 50 Ω; thermocouple: 5–10,000 Ω, default 5,000 Ω).
  • Supports multi-point linearization to improve measurement accuracy beyond standard factory calibration.
  • Advanced device diagnostics comply with the NE107 four-status model (Failure, Function Check, Out of Specification, and Maintenance Required), with independent alarm-level settings for Standard and SIL operating modes.
  • Integrated LCD display and push-button interface enable complete local configuration and diagnostics without requiring a HART modem.
  • Assessed in accordance with IEC 61508-2/-3 and IEC 61511 field-data requirements. Supports SIL 2 safety functions in single-channel (HFT = 0) architecture and SIL 3 in redundant (HFT = 1) architecture.
  • Available with intrinsically safe and flameproof explosion protection, including IECEx Ex ia IIC T6…T4 Ga and ATEX II2G Ex db IIC T6…T4 Gb / II2D Ex tb IIIC T85°C…T110°C Db certifications.
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