BGMD-FBG Fiber grating temperature measurement system
Overview
This system provides a simple and reliable safety monitoring scheme conductive to improve the enterprise safety management automation level for the petrochemical industry and electric power industry.
System advantages
Intrinsic safety, anti-thunder and anti-explosion, resistance to severe electromagnetic interference and complete electric insulation.
High sensitivity and high measurement accuracy.
Stable and reliable system, long service life and simple construction.
Large monitoring capacity and synchronous scanning of all channels.
Multi-level alarm mode: constant temperature alarm, differential temperature alarm and fiber cut alarm.
Real-time and all-weather monitoring in humid and severe environment.
Real-time self-inspection and real-time calibration to ensure system reliability and correctness.
View real-time temperature at each point of each switch cabinet and query the historical temperature record, temperature curve and alarm record at each point.
Accurately position the alarm and position the alarm to each sensor.
System applications
High-voltage power cable temperature monitoring
Cable joint temperature monitoring
Spherical tank and horizontal tank temperature monitoring
Pipe and pipeline temperature monitoring
Temperature monitoring of cable bridge, cable tunnel and duct cable in power transmission lines
Temperature monitoring in hazardous and important areas
Cable tunnel temperature monitoring and fire alarm of power plants and metallurgical enterprises
Temperature monitoring in traffic field
Dam and river levee leakage monitoring
Technical parameters
Parameter name | Meaning |
Model | BGMD-FBG-04 |
Number of optical channels | 4 (extendable) |
Number of points in each channel | 25 |
Collection frequency | 25Hz (0-100 adjustable) |
Wavelength range | 1525-1565nm |
FBG width | 0.5nm |
Dynamic range | ≥50dB |
Wavelength resolution | 0.1pm |
Wavelength repeatability | 0.5pm |
Wavelength accuracy | 1pm |
Working temperature | -10-60℃ |
Storage temperature | -40-80℃ |
Monitoring ability | 50KM |
Power consumption | 20w |
Optical interface | FC/APC |
Computer connector | RJ45 (10/100M Ethernet) |
Boundary dimensions | Standard 19-inch (height 1U/2U/3U) |
Weight | 5KG |
Item | Unit | Parameter value |
Range | ℃ | -55-200 (customizable high temperature) |
Resolution | ℃ | 0.01 |
Temperature measurement accuracy | ℃ | 0.5℃ |
Central wavelength nm | nm | 1525-1565 |
Grating reflectivity | - | ≥90 |
Encapsulation mode | - | Refractory ceramics |
Sensor lead length | - | 2.5m Teflon casing |
Sensor connection type | - | 1*3 optical dividers in parallel |
Number of single-core fibers in parallel | pcs | 12 |
Anti-pollution flashover power frequency withstand voltage | KV | 220 |
Item | Unit | Parameter value |
Range | ℃ | -55-200 (customizable high temperature) |
Resolution | ℃ | 0.01 |
Temperature measurement accuracy | ℃ | 0.5℃ |
Central wavelength nm | nm | 1525-1565 |
Grating reflectivity | - | ≥90 |
Encapsulation mode | - | Refractory ceramics |
Sensor lead length | - | 2.5m Kevlar casing |
Sensor connection type | - | 1*3 optical dividers in parallel |
Number of single-core fibers in parallel | pcs | 12 |
Anti-pollution flashover power frequency withstand voltage | KV | 35 |
Structure features
Specification model
● Fiber grating temperature sensor Model
1) Fiber grating temperature sensor BGMD-SR-TE01.
2) Fiber grating temperature sensor BGMD-SR-TE02