IC卡預(yù)付費(fèi)水表
- 產(chǎn)品特點(diǎn)
- 超長(zhǎng)待機(jī)壽命:鋰電池供電,設(shè)計(jì)使用壽命≥10年;
- 超低功耗:靜態(tài)功耗≤10uA,年均功耗≤120mA;
- 低壓關(guān)閥:當(dāng)電流≤2.7v時(shí),水表自動(dòng)關(guān)閥;
- 防磁攻擊:當(dāng)磁性物體靠近時(shí),水表自動(dòng)關(guān)閥;
- *防護(hù)等級(jí):防護(hù)等級(jí)達(dá)到并優(yōu)于IP68;
- 保密性強(qiáng):邏輯加密,一表一卡,不可破解復(fù)制;
- 斷電關(guān)閥:當(dāng)水表線路受到強(qiáng)力攻擊切斷線路時(shí),水表由內(nèi)置電容瞬時(shí)釋放大量電流立刻關(guān)閥。
Ultra long standby life: Powered by lithium batteries, designed for a service life of ≥ 10 years;
Ultra low power consumption: static power consumption ≤ 10uA, annual power consumption ≤ 120mA;
Low pressure valve closing: When the current is ≤ 2.7v, the water meter automatically closes the valve;
Anti magnetic attack: When a magnetic object approaches, the water meter automatically closes the valve;
Maximum protection level: The protection level reaches and is superior to IP68;
Strong confidentiality: logical encryption, one table, one card, non cracked and non replicable;
Power off and valve closing: When the water meter circuit is cut off by a strong attack, the water meter will instantly release a large amount of current from the built-in capacitor and immediately close the valve.
產(chǎn)品參數(shù)(中文) Product parameters(English) |
參數(shù)值(中文) Parameter values(English) |
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顯示內(nèi)容
Show contents |
剩余金額、已購(gòu)水量、已用金額、電壓、版本號(hào)等內(nèi)容 |
工作環(huán)境
Work environment |
-10°C~55°C,≤100%RH |
氣候和機(jī)械環(huán)境條件等級(jí) Climate and mechanical environmental
condition levels |
B級(jí) |
電磁兼容性等級(jí)
Electromagnetic compatibility level |
E1 |
供電電源 Power supply |
DC2.8V~3.6V |
壓力損失
pressure loss |
≤0.063Mpa |
防護(hù)等級(jí)
Protection level |
IP68 |
靜態(tài)電流
Static current
|
10uA |
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