3000W Ceramic Water Heater Element for Water Purifier

Test Item

Test environment

Standard

Test conditions and methods

Resistance

tem.23℃±2℃

11-12.5Ω

After heater in23℃±2℃room 0.5H.

Power-on

Power on in water,Outlet water temperature 40±5℃

Heater no damage

Power on in the water @AC220V 1 minute

Power

Power on in water,Outlet water temperature 40±5℃

2800-3100W

Power on in water@AC220V

Dielectric Strength

Tem.23℃±3℃

Heater no breakdown and the leakage current does not exceed 2mA.

AC2000V; The heating zone completely immersed in water for 1 second.

leakage current

tem.23℃±3℃

humidity 65%±10%

≤0.5mA

Test the leakage current under the condition of applying 1.06 times the rated voltage.

Insulation Resistance

tem.23℃±3℃humidity 65%±10%

>100MΩ

DC500V; The heating zone completely immersed in water.

Durability

Power on in water,Outlet water temperature 40±5℃

NO damage

1. Continuously power-on for 5000 hours in water,

2. In water, power on 10S, power off 10S, and cycle 100,000 times.