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燃氣表用計數器

2017-11-10

燃氣表用計數器主要技術參數:

1. 驅動脈沖額定電壓:3.3V

2. 驅動脈沖電壓范圍:2.5V--5.5V

3. 直流阻抗:450歐

4. 驅動脈沖寬度:40ms

5. 顯示位數:7位、8位

6. 工作溫度范圍:-40度----+70度

7. 防磁性能:抗外部恒定磁場干擾能力大于260mT

8. 數比:100:1   200:1   400:1

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