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Edward Lowton
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Three-in-one probe
05 March 2015
Vaisala's moisture, hydrogen and temperature transmitter – MHT410 – continuously monitors changes in high-voltage transformer insulating oil.

The probe allows the device to provide accurate real-time measurements and trend data which facilitates decision-making.
The MHT410 swiftly recognises transformer fault conditions allowing customers to resolve potential problems before further damage is done. Having real-time data also allows for predictive maintenance planning which helps customers minimise service shutdowns and outages.
The MHT410 transmitter measures moisture, hydrogen and temperature directly in the transformer oil. Easy to install, the probe is ready to use within minutes. Adjustable probe installation depth fits in a variety of transformer valves to ensure optimal measurement.
The unit is maintenance-free, with no calibration or adjustment required after installation.
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