Description
H201Ti single gas detector controller monitoring module

In the complex and crucial domain of power systems, the H201Ti emerges as a highly innovative and reliable device. This remarkable piece of equipment is specifically engineered as a continuous monitor for dissolved gas analysis (DGA) in transformer oil, playing a pivotal role in safeguarding the stable operation of transformers. Its core purpose is to provide early warnings of potential transformer failures, thereby minimizing the occurrence of unplanned outages that could disrupt power supply and lead to significant losses in various industries.
The H201Ti is designed to be permanently installed on transformers, acting as a vigilant sentinel. By constantly monitoring the dissolved gases in the transformer oil, it offers workers a single, accurate ppm reading of various faulty gas complex values. This data is invaluable as it can effectively alert them to any latent problems within the transformer, allowing for timely intervention. In the context of industrial control systems, especially those related to power distribution, the H201Ti fits seamlessly, ensuring that the integrity of the power infrastructure is maintained.
Label
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Specification
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Model Number
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H201Ti
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Brand
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GE (assuming from related references)
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Type
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Dissolved Gas Analysis Monitor for Transformers
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Power Supply
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110 – 240 V AC, 50/60 Hz (single – phase, as per some references)
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Communication
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Modbus RTU, RS – 485; also supports serial port communication for remote gas reading and trend viewing
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Measurement Range
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Capable of detecting hydrogen (general fault gas), sensitive to carbon monoxide (overheated paper), with ppm – based readings
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Accuracy
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± 0.5% (as per some sources)
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Display
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Local LCD display for real – time dissolved gas ppm value
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Outputs
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Analogue output (4 – 20mA) of the dissolved gas ppm value; 3 dry contact relays (2 for fault gas alarms and 1 for service alarm); digital output of registers using Modbus or Hydran protocols over isolated RS – 485
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Mounting
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Permanently mounts on a single transformer oil valve; no extra piping or pump required
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Self – Test Feature
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Automatic self – test every 15 days, triggers service alarm if it detects a fault, including power failure, oil valve closed, sensor or battery needing replacement
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Data Logging
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Up to a year of local data and significant event logging
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The H201Ti boasts several distinct functional strengths and design advantages. Its 100% responsive composite gas sensor is highly sensitive, not only to hydrogen, which is a common indicator of general faults in transformers, but also to carbon dioxide, which can signify overheated paper within the transformer. This high – sensitivity sensor ensures that even the slightest abnormal gas presence is detected promptly.
The device’s local LCD display offers real – time visibility of the dissolved gas ppm value, allowing operators to quickly assess the transformer’s condition at a glance. With its standard RS – 485 connection and support for Modbus or Hydran protocols, the H201Ti enables seamless and reliable communication, both locally and remotely. This communication capability is further enhanced by its ability to set local and remote alerts at predefined levels or rates of change, ensuring that relevant personnel are informed immediately when an issue arises.
The build quality of the H201Ti is top – notch, designed to withstand the harsh environmental conditions often associated with transformer installations. Its all – around self – test and self – diagnosis features add an extra layer of reliability, as any potential issues can be identified and addressed proactively.
The
H201Ti finds extensive applications in various industrial scenarios, particularly in power utilities. For less – critical transformers, it provides a simple yet highly effective solution. By continuously monitoring the condition of these transformers, it helps power utilities to better focus and prioritize their asset replacement strategies. In industrial plants, the
H201Ti is equally vital. It significantly reduces the risk of process interruption due to power failures caused by transformer issues. By minimizing costly production downtime, it ultimately contributes to increased productivity and cost – savings in industrial operations.

In a power distribution substation, for example, the H201Ti can be installed on transformers to constantly monitor gas levels. If there is an increase in hydrogen gas, which could indicate an incipient fault like arcing or overheating within the transformer, the H201Ti will detect this change. It can then trigger an alarm, either locally or remotely, notifying the maintenance team. The team can then take appropriate action, such as scheduling an inspection or carrying out necessary repairs, before the problem escalates and causes a power outage.
When it comes to compatible and related models, the [Model 1] might offer enhanced data analytics capabilities, allowing for more in – depth analysis of the gas data collected by the H201Ti. The [Model 2] could be a more compact version, suitable for transformers with limited space for additional monitoring equipment. The [Model 3] might have advanced communication features, enabling better integration with more complex power system monitoring networks. The [Model 4] could offer a higher level of sensor accuracy, while the [Model 5] might be designed for use in extreme environmental conditions where the standard H201Ti might face challenges.
Installing the
H201Ti is a relatively straightforward process. It is designed to be mounted directly on a single transformer oil valve, eliminating the need for extra piping or pumps. However, it is crucial to ensure that the connection to the power supply is proper and that the communication cables are securely and correctly attached. During the installation, it is also important to follow any local safety and electrical codes.

For long – term operation, regular maintenance of the
H201Ti is essential. Periodically, the device should be visually inspected for any signs of physical damage. The communication connections should be checked to ensure that data is being transmitted accurately. The sensor’s performance should also be monitored, and if necessary, calibration (although it is noted as not requiring on – site calibration in some references) or replacement should be carried out. Additionally, the device’s firmware should be updated as new versions become available to benefit from any performance improvements or new features.

The manufacturer of the
H201Ti stands firmly behind the product’s quality and reliability. With a comprehensive warranty, customers can have peace of mind knowing that they are investing in a durable and dependable product. In case of any issues, a global support network is available to provide assistance. Technical experts are on – hand to offer advice, troubleshoot problems, and ensure that the
H201Ti continues to function optimally. Extensive documentation, including user manuals, installation guides, and troubleshooting tips, is also provided to help users make the most of this advanced transformer monitoring device. With such robust support, industries can rely on the
H201Ti to provide long – term, reliable monitoring of their transformers, ensuring the stability and efficiency of their power systems.
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