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The TT series temperature transmitters are designed for high-precision temperature measurement and control in advanced equipment. Compatible with thermistor temperature sensors, they feature an RS485 communication interface supporting the standard Modbus RTU protocol. The transmitter adopts an isolated design between the communication and measurement modules, ensuring strong anti-interference capability. Equipped with a 24-bit high-precision AD converter and low-drift reference components, it delivers excellent long-term stability. Parameters such as configuration, calibration, and sensor characteristics are user-programmable.
The TT series temperature transmitters are designed for high-precision temperature measurement and control in advanced equipment. Compatible with thermistor temperature sensors, they feature an RS485 communication interface supporting the standard Modbus RTU protocol. The transmitter adopts an isolated design between the communication and measurement modules, ensuring strong anti-interference capability. Equipped with a 24-bit high-precision AD converter and low-drift reference components, it delivers excellent long-term stability. Parameters such as configuration, calibration, and sensor characteristics are user-programmable.
Features:
Single platinum resistance sensor input
Optional output signals: Current, Voltage, RS485
4-wire connection eliminates lead resistance effects
Selectable measurement accuracy: Class A, 1/3 B Class, 1/10 B Class
Channel sampling rate: 1Hz
DC 24V power supply
RS485 interface supports Modbus RTU communication protocol
35mm standard DIN rail mounting
Technical Specifications:
|
Model |
TT11RA |
TT21RA |
TT31RA |
|
Temperature Range |
0~100°C (customizable) |
||
|
Accuracy (Transmitter+Sensor) |
±(0.15°C+0.002|t| ) |
±(0.10℃+0.0017|t| ) |
±(0.03℃+0.0005|t| ) |
|
Hardware Resolution |
0.01℃ |
0.001℃ |
0.001℃ |
|
Output Signal |
4~20mA |
||
|
Model |
TT11RV |
TT21RV |
TT31RV |
|
Temperature Range |
0~100°C (customizable) |
||
|
Accuracy (Transmitter+Sensor) |
±(0.15°C+0.002|t| ) |
±(0.10℃+0.0017|t| ) |
±(0.03℃+0.0005|t| ) |
|
Hardware Resolution |
0.01℃ |
0.001℃ |
0.001℃ |
|
Output Signal |
0~10V |
||
|
Model |
TT11ND |
TT21ND |
TT31ND |
|
Temperature Range |
0~100°C (customizable) |
||
|
Accuracy (Transmitter+Sensor) |
±(0.15°C+0.002|t| ) |
±(0.10℃+0.0017|t| ) |
±(0.03℃+0.0005|t| ) |
|
Hardware Resolution |
0.01℃ |
0.001℃ |
0.001℃ |
|
Output Signal |
RS485（Modbus RTU） |
||
|
Channels |
Single |
|
Sampling Frequency |
1Hz |
|
Excitation Current |
0.1 mA (PT1000), 1 mA (PT100) |
|
Run/Fault Indicator |
Yes |
|
Temperature Sensor Type |
PT100, PT1000 |
|
Wiring |
2-wire, 3-wire, 4-wire |
|
Sensor Interface |
Plug-in connector (PCB socket / 4-pin / 5mm spacing) |
|
Communication |
RS485 |
|
RS485 Port |
Plug-in connector (PCB socket / 4-pin / 5mm spacing) |
|
Power Supply |
DC 24V |
|
Power Consumption |
≤0.5W |
|
Dimensions |
94.1mm * 77.5mm * 25mm (L* W * H) |
Sensor Selection Table:
|
Accuracy |
Model |
|
Class A, ±(0.15°C + 0.002|t| ) |
AR22 / ARK22 (Armored) |
|
1/3 B Class, ±(0.10°C + 0.0017|t| ) |
AR23 / ARK23 (Armored) |
|
1/10 B Class, ±(0.03°C + 0.0005|t| ) |
AR24 / ARK24 (Armored) |
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