First, product overview

Fiber Bragg grating intelligent demodulator

Fiber Bragg grating intelligent demodulator: XH-FBG fiber Bragg grating temperature sensing product is a sensing detection system based on (Bragg) grating technology. It can accurately measure the temperature of the measured position, has the characteristics of high temperature measurement accuracy, short response time, anti electromagnetic interference, electrical insulation, and local safety, etc., so it can be directly used in the field of high explosion-proof requirements in petroleum chemical industry and so on. It is.

Fiber Bragg grating intelligent demodulator

The XH-FBG fiber Bragg grating sensing system is composed of a fiber Bragg grating temperature measuring host, a grating sensor and a transmission cable. The system is used in series-parallel connection.

Two, product function

1. It can monitor temperature, strain, pressure, displacement, acceleration and inclination, and has a wide range of temperature measurement accuracy.

2. 24 hours real-time on-line monitoring, overshoot alarm, truly unattended;

3. The alarm threshold, alarm operation and other software can be set, easy to operate;

4. Built-in international common Modbus and other protocols, which can facilitate data transmission and system integration with third-party systems.

Three. Work system diagram

Product index parameters of demodulator

project                                         XH-FBG-100               XH-FBG-200              XH-FBG-300               XH-FBG-800               Remarks

Number of channels                                 1~128                           1~32                           1~16                         1~16                   Customizable

Channel measurement point number        1~25                            1~25                           1~25                          1~25               

Wavelength range                                 1528~1568                 1528~1568                   1528~1568                 1528~1568

Typical value                                              1Pm                            1Pm                             1Pm                           1Pm

Scanning frequency                                    1Hz                            100Hz                          1000Hz                  8KHZ – 32KHz

transmission distance                                40KM                           40KM                           40KM                         40KM

ambient temperature                           -40 C ~60 C                -40 C ~60 C                   -40 C ~60 C                -40 C ~60 C

communication interface           LAN, RS485/232, relay      LAN, RS485/232 relay     LAN, RS485/232 relay    LAN, RS485/232 relay

Communication protocol                    Modbus TCP                   Modbus TCP                  Modbus TCP               Modbus TCP

Input power supply                         AC220V or DC24V        AC220V or DC24V            AC220V or DC24V       AC220V or DC24V

power                                                     < 40W                          < 40W                             < 40W                           < 40W

weight                                                        9Kg                               9Kg                              9Kg                               9Kg

Shape size                                        430*380*88mm              430*380*88mm                430*380*88mm               430*380*88mm     Customizable  

Working humidity                                  < 95%RH                      < 95%RH                        < 95%RH                       < 95%RH

Five, product characteristics

The 1. XH–FBG fiber Bragg grating demodulator adopts the operation chip of self-designed self design, and uses PowerPC and embedded operating system. The operation speed is fast, the reliability is high, the power consumption is small, and the volume is small.

2. grating sensor has the characteristics of electrical insulation, intrinsic safety and electromagnetic interference. It can be used directly in petrochemical and other explosion-proof applications.

3. lightning often destroys a large number of electrical sensors, and lightning has a serious impact on highway tunnels. The grating sensor is completely electrically insulated and can withstand high voltage and high current impact.

4. the layout density of grating sensor can be set flexibly to meet the monitoring needs of various discrete hot spots.

Six. The field of product application

Monitoring of power high voltage switchgear, transformer, generator, circuit breaker, cable connector and so on.

On-line monitoring of oil tank temperature

On-line monitoring of traffic tunnel temperature

On-line monitoring of bridge structure health

Health on-line monitoring of large steel structure

On-line monitoring of uneven settlement of buildings

Early warning and monitoring of landslides

Application of teaching experimental instruments

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Contact : Eily

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