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  9. NCS-TT105H Field-Mounted Dual-Channel HART...
NCS-TT105H HART Temperature Transmitter
NCS-TT105H
NCS-TT105H
NCS-TT105H Dimensional Diagram
NCS-TT105H HART Temperature Transmitter
NCS-TT105H
NCS-TT105H
NCS-TT105H Dimensional Diagram

NCS-TT105H Field-Mounted Dual-Channel HART Temperature Transmitter

NCS-TT105H

Product Overview

NCS-TT105H Smart Temperature Transmitter is a dual-channel, field-mounted temperature transmitter featuring an LCD display and button-based parameter configuration. It offers high reliability, long-term stability, measurement accuracy, and low temperature drift. Equipped with advanced diagnostics and sensor redundancy with hot-swap capabilities, it meets the measurement requirements of critical process stages, making it an indispensable field temperature measurement device for process control. It is suitable for measuring various types of resistance temperature detectors (RTD), thermocouples (TC), resistors (Ω), and voltage (mV) sensors, and supports 4-20mA + HART communication protocol. The product has obtained multiple international certifications, including Intrinsic Safety, Flameproof, IP, PAC, EAC, and FCG, and is widely used in process industries such as petroleum, chemical, power, and metallurgy.

NCS-TT105H
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Application Cases
Output Signal 4~20mA + HART
Protocol Version HART 7
Supply Voltage Non-IS: (11.5~45)VDC;
IS: (11.5~30)VDC;
Flameproof: (11.5~45)VDC
Sensor Wiring 2-Wire, 3-Wire, or 4-Wire Connection
Input Signal Types Resistance (Ω): 0-500Ω, 0-4000Ω;

RTD: Cu50, Cu100, Pt100, Pt200, Pt500, Pt1000;

Voltage (mV): -100mV~100mV;

Thermocouple (TC): B, E, J, K, N, R, S, T
Channel Count Dual Channel
Accuracy Class Refer to User Manual
Current Accuracy Current Accuracy: 0.03%;
Current Temp Drift: 0.003%/℃
Electrical Isolation 1KVAC
Voltage Effect ±0.005%/V
Response Time 0.8~1.3s Depending on Sensor Type and Wiring
Startup Time ≤7s
Damping Time Constant (0~32)s
EMC IEC 61326 (GB/T 18268)
Explosion Protection Ex db IIC T5/T6 Gb / Ex ia [ia Ga] IIC T4/T6 Ga
LCD Display Supported
Keypad Operation Supported
Operating Temperature (-40~85)℃;
(-55~85)℃ (Optional)
Humidity Range (5~95)%RH
Storage Temperature (-50~85)℃
Alarm Signals 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 Spec 2-25Hz: ±1.6mm;
25-100Hz: ±4g
Protection Rating IP67
Weight 1.0kg
  • Converts various input signals into 4–20 mA output signals and HART communication signals.
  • Supports measurement of various resistance temperature detectors (RTDs), thermocouples, resistance, and voltage signals.
  • Dual-channel input with a 6-terminal sensor design that supports flexible dual-input combinations.
  • High measurement accuracy with Pt100 accuracy up to ±0.1°C, low temperature drift of ±0.003°C/°C, and analog output accuracy of 0.03% of full scale.
  • Supports open-circuit and short-circuit detection to help identify sensor faults.
  • Complies with intrinsically safe and flameproof explosion-protection requirements for safe operation in hazardous areas.
  • FCG certified.
  • Provides EDD and DTM device description files compatible with various DCS systems.
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