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      1.  

        Fiber Optic Temperature Sensors and Mesurement System for Switchgear Panel Hot Spot

        Original
        price: Negotiable
        minimum:
        Total supply:
        Delivery term: The date of payment from buyers deliver within days
        seat: Beijing
        Validity to: Long-term effective
        Last update: 2020-04-23 21:55
        Browse the number: 246
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        Company Profile
         
         
        Product details


        1.?Why it is important to monitor?

        Utility companies around the world are implementing fiber optic sensors for smart grid temperature monitoring of critical switchgear. These sensors provide real-time temperature data, enabling operators to maximize load efficiency and balance thermal stresses that can lead to catastrophic failures. Over time, switchgear contacts, bus bars, and critical connection points develop hot spots that slowly corrode causing increased electrical resistance. If left unchecked, even minor increases in resistance can quickly grow out of control as higher resistance creates hotter conductors, which, in turn, creates higher resistance. Transmission and Distribution companies therefore routinely specify the requirement for continuous switchgear temperature monitoring to optimize maintenance schedules and extend equipment lifetime.

        2.?Our solution for switchgear hot spot monitoring

        Herch Opto designed and developed cost wise & user-friendly fiber optic temperature sensors & monitoring system which are ideal for switchgear hot spot temperature measurement. These fiber optic temperature sensors are of robust design and are completely immune to electromagnetic interference and noise bursts caused by high-voltage switching, hence can be rigidly attached to hot-spot locations. With temperature monitor, the measurement date can be check on site and transferred through RS-485 Modbus RTU communication to SCADA system.

        3.?Our product

        Model Number

        HQ-12

        Temperature Range

        -20℃-150℃

        Temperature Accuracy

        ±1℃

        Temperature Resolution

        0.1℃

        Number of Channels

        Upto 12 channels

        Temperature Unit

        Display Mode

        Digital tube display

        Response Frequency

        1 second per channel (Depend on probes’ position)

        Temperature Frequency

        1Hz

        Optic Interface

        ST Optic Connector

        Power Supply

        AC 220V/50Hz(+20%)/DC: 24V(Customizable)

        Digital Interface

        Two RS-485

        Power Consumption

        ﹤6W

        Communication Protocol

        Modbus

        Fiber Optic Length

        Per requirement

        Probe Diameter

        ?2.3mm

        Staring Temperature

        -20℃-65℃

        Storage Temperature

        -40℃-65℃

        Storage Humidity

        20%-80%

        4.?Installation diagram

        6.?Field installation

        ?

        http://www.herchopto.com/

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