自营PFSK130日常维护事项范围优势如下ABB

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PFSK130型热膨胀传感器TD-2-35 Thermal expansion transmitter
It is mainly used to measure the expansion displacement of steam turbine cylinder, and it can complete remote indication, alarm, constant current output and other functions of thermal expansion displacement with XCW-R thermal expansion monitor. The field of vision of local indication is large, and the remote indication is digital display, which is clear and intuitive. The medium frequency differential transformer displacement sensor is used as the sensing element. It is a highly reliable LVDT displacement sensor with strong resistance, good linearity, simple structure, and is not easy to be damaged. It can be used continuously.

Technical indicators:
1. Range: 0 ～ 50mm (the range is determined by the user)

2. Accuracy: ± 1% (full scale)

3. Ambient temperature: - 20 ℃~+100 ℃

4. Relative humidity: ≤ 80%



Sensor structure diagram:





model



Linear range



Sending head extended

Length (L) mm



TD-2-25



twenty-five



ninety



TD-2-35



thirty-five



ninety-five



TD-2-50



fifty



one hundred and seven





Ordering Guide:



Model selection code: TD-2 - A □□

Model Selection Description:

Range A □□:

01 —— 0 ～ 25mm ；

02 —— 0 ～ 35 mm ；

03 —— 0 ～ 50 mm ；



If you have special requirements, please consult with our company.



TD-2-35 Thermal expansion transmitter



Vibration, vibration intensity, shaft vibration, axial displacement, intelligent speed, thermal expansion, differential expansion, hydraulic servo motor, oil level of oil tank, turbine monitor, monitor and protector;



Eddy current, vibration speed, Hall speed, magnetic resistance, thermal expansion, hydraulic motor, oil tank level sensor;



Axial displacement, vibration, integrated vibration, speed, thermal expansion, hydraulic servo motor, oil level transmitter of oil tank.









TD-2 Thermal Expansion Travel Transmitter

TD-2 type thermal expansion travel transmitter is equipped with various TD-2 type linear differential transformer sensors. The built-in excitation source and differential measurement circuit convert the thermal expansion on both sides of the casing into 4~20mA current output. The difference between the two represents the deformation of the casing. This deformation will cause huge stress between the casing and the foundation, resulting in misalignment. If the casing sliding pin system is jammed, serious consequences will be caused.



Technical indicators:



1. External power supply: 24V DC

2. Input signal: receive the signal of a LVDT linear differential transformer; Input impedance:>90K Ω

3. Range: 0 ～ 50 mm

4. Accuracy: ± 1% of full scale

5. Current output: 4 ～ 20 mA active; Output load: ≤ 500 Ω

6. Temperature range: - 25 ℃~+65 ℃ during operation; - 40 ℃~+85 ℃ during storage

7. Relative humidity: 90%, non solidification

8. Physical index: overall dimension 80 × sixty × 50mm ; Mounting screw hole size 50 × 50mm



Order guide



Thermal expansion travel transmitter must be equipped with TD-2 thermal expansion sensor forming system



Model selection code: TD-2 - A □

Model Selection Description:

Range A □: 1 -- 0 ～ 25 mm; 2＊——0～35 mm； 3——0～50 mmBT-50膨胀传感器

　　概述
　　BT-50**膨胀传感器是为汽轮机行业测量汽轮机组**膨胀位移所设计的传感器，它采用中频位移传感器（LVDT）作为传感元件，LVDT有一个探杆与机器相连。当机壳膨胀时，探杆在LVDT内移动，引用LVDT信号发生变化。信号经过解调后输出到监测器上，用于显示和报警。

　　BT-50**膨胀传感器由15-24VDC供电，输出直流电压信号，具有远传线性好，抗干扰性能力强，不易损坏，可靠性好，能连续使用的特点。
　　
　　用途
　　适用于汽轮机汽缸膨胀测量及保护。

　　技术参数
　　线性量程：0~50mm.
　　非线性度：不-20大于0.5%FS.
　　工作温度：-20℃~75℃
　　供电电源：15VDC~24VDC
　　输出信号：±5.8~±10V.
　　环境湿度：不大于95%（非冷凝）。
　　环境振动：不大于2.3g.
　　工作方式：连续
　　执行标准：参照JJG　644-2003　

BT-50膨胀传感器

TD-2 系列膨胀传感器是为汽轮机行业测量汽轮机组膨胀

位移所设计的传感器，它有就地和远传两种指示。就地指示视野大，它

采用中频位移传感器作为传感元件；远传指示线性好，抗干扰性强，结

构简单，不易损坏，可靠性好，能连续使用，输出为恒流。已被国

内大中型汽轮机制造厂选用，其它精密测量行程的位移场合也可采用。

产品出厂时可选配变送器或二次数字仪表，订货时说明。

运用:

适用于汽轮机汽缸膨胀测量及保护。

参数指标

▼ 线性量程：0～25mm；0～35mm；0～50mm；0～80mm 四档可选。

▼ 线性度： 不大于0.5% F·S。

▼ TD-2 系列应选用本厂生产的变送器，方可保证传感器精度。

▼ 变送器工作温度：-5゜C～＋45゜C。

▼ 传感器工作温度：≤100゜C。

▼ 环境湿度：≤95％ 。

▼ 环境振动：≤2.3g。

▼ 工作方式：连续。

订货指南

订货代号：TD-2-A□□-B□□

传感器行程选择：A□□

0 1：0～25mm *0 2：0～35mm

0 3：0～50mm 0 4：0～80mm

配套变送器选择：B□□

＊0 1:不配变送器

0 2：配变送器(注明订货代号，参见XCBSQ 系列订货指南)

综合举例：订货代号为“TD-2-03-01”的产品是指行程为0～50mm、不配置相应变送器的TD-2 系列膨胀传感器。BT-50 expansion sensor



summary

BT-50 * * expansion sensor is a sensor designed for the steam turbine industry to measure the expansion displacement of steam turbine units. It uses an intermediate frequency displacement sensor (LVDT) as the sensing element. The LVDT has a probe rod connected to the machine. When the casing expands, the feeler rod moves in the LVDT and the reference LVDT signal changes. After demodulation, the signal is output to the monitor for display and alarm.



The BT-50 * * expansion sensor is powered by 15-24VDC and outputs DC voltage signal. It has the characteristics of good remote transmission linearity, strong anti-interference ability, good reliability, and continuous use.



purpose

It is applicable to expansion measurement and protection of steam turbine cylinder.



technical parameter

Linear range: 0~50mm

Non linearity: no - 20 greater than 0.5% FS

Working temperature: - 20 ℃~75 ℃

Power supply: 15VDC~24VDC

Output signal: ± 5.8~± 10V

Ambient humidity: no more than 95% (non condensing).

Environmental vibration: no more than 2.3g

Working mode: continuous

Executive standard: refer to JJG 644-2003



BT-50 expansion sensor



TD-2 series expansion sensors are used to measure the expansion of steam turbine units for the steam turbine industry



The sensor designed for displacement has local and remote indication. The local indication has a large field of vision



The intermediate frequency displacement sensor is used as the sensing element; Good linearity of remote indication, strong anti-interference



Simple structure, not easy to damage, good reliability, can be used continuously, and the output is constant current. Already a victim



It is selected by large and medium-sized steam turbine manufacturers, and it can also be used in other displacement occasions for precise stroke measurement.



Transmitter or secondary digital instrument can be selected when the product leaves the factory, which shall be explained when ordering.



application:



It is applicable to expansion measurement and protection of steam turbine cylinder.



Parameter index



▼ Linear range: 0 ～ 25mm; 0～35mm； 0～50mm； 0~80mm four gears are optional.



▼ Linearity: no more than 0.5% F · S.



▼ TD-2 series should use the transmitter produced by our factory to ensure the accuracy of the sensor.



▼ Working temperature of transmitter: - 5 ° C ～ ＋ 45 ° C.



▼ Sensor working temperature: ≤ 100 ℃.



▼ Ambient humidity: ≤ 95%.



▼ Environmental vibration: ≤ 2.3g.



▼ Working mode: continuous.



Order guide



Ordering code: TD-2-A □□□ - B □□



Sensor travel selection: A □□



0 1：0～25mm *0 2：0～35mm



0 3：0～50mm 0 4：0～80mm



Matching transmitter selection: B □□



＊ 0 1: No transmitter



0 2: equipped with transmitter (indicate ordering code, see XCBSQ series ordering guide)



Comprehensive example: products with ordering code of "TD-2-03-01" refer to TD-2 series expansion sensors with a stroke of 0~50mm and without corresponding transmitters.

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