91性视频_爱抚娇乳h_乱爱性全过程免费视频_超级yin乱系统34

This water meter uses internationally-accepted PPO materials that meet the requirements of pure water, saving resources, healthy and environmentally-friendly pure water meters. It adopts anti-magnetic anti-jamming design to ensure correct metering and reliable operation. It is equipped with smart ic card, which is a convenient intelligent ic card type pure water meter.

一、Technical characteristics：

• Volumetric meter, measured in liters, with extremely high sensitivity;

• Prepaid function, using contact IC card, card recharge, data storage security

• Early warning function, the remaining water volume is insufficient to close the valve alarm, and the card is opened;

• The remaining water volume is zero, and the water is available after recharging the water;

• One-card function, support one card multi-table, realize water, electricity, gas meter card;

• Micro power consumption design, battery life is more than 6 years, battery low alarm indication;

• The watch valve is designed in one piece, beautiful and reliable.

• 本產品與自助式凈水機配套使用，實現自助式充值用水