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DS1921H
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Category:sensor
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Product Name:Robust, self-sufficient system that measures temperature and records results
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Manufacturers:Maxim
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Production Batch Number:11+
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Encapsulation:SSOP16
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Stock Status:There is stock
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Stock Quantity:4500
- Minimum order quantity: 1
- Details:
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DS1921H Robust, self-sufficient system that measures temperature and records results
Key features
- 数字温度计测量温度在0.5°C为增量
- 精度±1°C从-30℃至+70°C（见精度规范完整的数据表中的Electrical characteristics）
- 内置实时时钟（RTC）和定时器精度±2分钟每月从0°C至+45°C间
- 抗水或防水（超过防水3 ATM需求如果放在内部DS9107 iButton的胶囊）
- 自动唤醒和措施，在用户可编程的时间间隔从1分钟到255分钟的温度
- 日志连续的温度测量数据记录存储器2KB
- 2.0°C分辨率记录一个长期的温度直方图
- 可编程温度高，温度低报警触发点
- 记录多达24个时间戳和持续时间，当温度叶的触发点指定的范围内
- 512字节的通用电池供电的SRAM
- Communication with a single digital signal host uses the 1-Wire protocol, at 15.4kbps or up to 125kbps
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常见的iButton的特点
- Short exposure to digital identification and information
- 独特，由工厂光刻和测试的64位登记号码（8位家族码+ 48位序列号+ 8位CRC校验码），保证绝对可溯，因为没有两个部件都是一样的
- 1-Wire网络的多点控制器
- Chip-based data carriers store information tightly
- Data can be accessed while attached to objects
- The shape of the button is to automatically align the cup probe
- 刻有登记号码的坚固的不锈钢外壳可承受恶劣环境
- 容易贴的背胶自粘及其法兰锁存，或用压它的边缘上的环形锁定
- When the reader first applies the voltage detection response
- 符合UL 913，第五版，1997年2月24日修订版，绝对安全设备：实体概念下的核准使用在I级，1组A，B，C和D的地点
description
DS1921G的Thermochron®i按钮®是一种坚固的，自给自足的系统，测量温度，并记录结果，在受保护的内存部分。 完成录音后，在用户定义的速率，无论是作为一个温度值直接存储以及直方图的形式。 最多可存储2048个温度值等间隔从1到255min。 直方图提供63数据箱与分辨率2.0°C。 如果温度留下一个用户可编程的范围内，也DS1921G记录这种情况发生时，温度超出允许的范围内保持多久，如果温度过高或过低。 一个额外的512字节电池供电的SRAM允许存储的有关资料DS1921G是相关联的对象。 数据串行传送的1-Wire®协议，只需要一根数据线和返回地线。 每DS1921G工厂光刻保证独特，电可读，64位注册号，绝对可溯。 坚固耐用的不锈钢封装，具有很高的耐环境的危害，如灰尘，潮湿和冲击。 配件允许被安装在几乎任何对象，包括集装箱，货盘，袋的DS1921G。
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