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Yuba quality appraisal

Yuba quality appraisal-Electronics & Electrical Appliances-CAS Testing Technical Services (Hong Kong) Company Limited

Appraisal Background

In places where there is no heating, bathroom heaters are the preferred heating device for many families when bathing. It combines multiple functions such as heating and ventilation in the bathroom. Bath heaters can be divided into four types according to their heating principles: bulb series bath heaters, PTC air-heated bath heaters, double warm flow series bath heaters, and far-infrared heat wave bath heaters. Since the bathroom heater works in a humid environment, if the quality of the bathroom heater is not up to par, it can easily endanger the personal safety of consumers.
bathroom heater quality appraisal requires testing of indicators related to quality and safety: protection against contact with live parts, input power and current, leakage current and electrical strength at operating temperature, moisture resistance, leakage current and electrical strength, stability and mechanical hazards, power connection and external soft wires, grounding measures, power terminal disturbance voltage, etc.
Zhongke Testing provides electronic and electrical quality appraisal services. It can carry out appraisal work on whether there are problems with cement-related quality, issue professional and reliable inspection reports, and assist courts and enterprises in resolving product quality disputes.

Basis for appraisal

GB/T 22769-2008 Bathroom electric heating appliance (bath heater)

Authentication case

A leakage accident occurred in a bathroom heater in a community. The victim had a newly installed bathroom heater in his home and had been using it for less than a month. His wife fell due to electric shock while taking a bath, causing cerebral hemorrhage. She was sent to the hospital and died after rescue efforts failed. The victim took the bathroom heater manufacturer to court. Under the entrustment of the court, our company investigated the cause of the leakage of the bathroom heater involved.
Through on-site investigation, the expert team found that there was a gap in the waterproof seal of the bathroom heater involved. Although the bathroom heater bulb was waterproof, the metal accessories were conductive. There is no exhaust system installed in the bathroom, and excessive water vapor can easily cause a short circuit in the power supply, causing leakage.
The bathroom heater's workmanship had certain safety precautions and was a substandard product, which was the main reason for the accident.

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