30-meter fiber optic temperature sensor

Fiber optic temperature sensors, such as the COMEM FOTEMP T30 series, can reliably measure temperatures over 30 meters with high accuracy and immunity to electromagnetic interference.OverviewFiber optic temperature sensors use optical fibers to detect temperature changes, offering high precision, immunity to EMI/RFI, and suitability for harsh environments such as high-voltage, magnetic, or microwave-exposed areas . They are ideal for industrial applications including power transformers, switchgear, generators, MRI environments, and semiconductor manufacturing .COMEM FOTEMP T30 SeriesThe FOTEMP T30 system supports fiber lengths up to 30 meters and multiple measurement channels (4–16 channels). Key features include:Temperature range: -40°C to 200°C (standard), with optional extended ranges up to 300°C Accuracy: ±1 K, with resolution of 0.1 KResponse time: 250 ms per channelFiber protection: PTFE sheath, optional spiral wrapCommunication: Modbus RTU/TCP, optional DNP3, IEC61850, IEC60870-104Immunity: Complete resistance to EMI, RFI, NMR, and microwave radiationData logging: Event logs and continuous temperature recording for long-term monitoringMounting: Compatible with SmartSpacer™ for transformer applications The system uses Gallium Arsenide (GaAs) temperature sensing elements, which provide stable, repeatable measurements without drift or recalibration .Other OptionsCOMEM FOTEMP probes (TS2P–TST): Customizable probes for general, medical, or transformer-specific applications, with lengths up to 30 meters using PVC or PTFE cables Opsens OTG and OTP series: High-accuracy GaAs or SCBG-based sensors for fast response and focal temperature monitoring, suitable for cryogenic to high-temperature applications up to 350°C Distributed sensing: Systems like Luna's high-definition distributed temperature sensing can provide continuous temperature profiles along fibers up to 100 meters, offering sub-millimeter spatial resolution Applications30-meter fiber optic sensors are particularly useful for:High-voltage and electromagnetic environments where traditional RTDs or thermocouples failTransformer hot-spot monitoring and switchgear temperature trackingIndustrial process control in harsh chemical or high-frequency environmentsRemote monitoring of large-scale facilities or equipment with long fiber runs SummaryFor a 30-meter fiber optic temperature sensor, the COMEM FOTEMP T30 series provides a robust, multi-channel solution with high accuracy, fast response, and full immunity to electromagnetic interference. Depending on your application, GaAs-based or distributed fiber optic systems can be selected to meet specific environmental and measurement requirements, ensuring reliable long-term temperature monitoring.

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30-meter fiber optic temperature sensor