为国网定制的“变压器油面温度数字化远传表计”和为南网定制的“全天候测温装置”均提供10年“产品质量保证期”，承诺质保期内发生任何产品质量问题均由杭州科宏负责免费维护更新。变压器温度计40年全寿命周期成本就是4套科宏温度计的采购成本，除此以外不存在任何其他维护成本等费用。
The "Transformer Oil Surface Temperature Digital Remote Meter" customized for State Grid and the "all-weather temperature measuring device" customized for China Southern Power Grid both provide a 10-year "product quality guarantee period", promising that any product quality problems during the warranty period will be handled by the company. Hangzhou Kehong is responsible for free maintenance and updates. The 40-year life cycle cost of the transformer thermometer is the purchase cost of 4 sets of Kehong thermometers, and there are no other maintenance costs.
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