DS1921Z

所属类别：传感器
产品名称：坚固的，自给自足的系统，测量温度，并记录结果
厂商：Maxim
生产批号：11+
封装：SSOP16
库存状态：有库存
库存量：4500
最低订购量：1
详细资料：

Product Introduction

DS1921Z Robust, self-contained system that measures temperature, and records results

Key features:

The digital thermometer measures the temperature in 0.5°C increments
Accuracy± 1°C from -30°C to +70°C (see electrical characteristics in the full datasheet for accuracy specifications)
Built-in real-time clock (RTC) and timer accuracy ± 2 minutes from 0°C to +45°C per month
Water or water resistance (water resistance exceeds 3 ATM requirements if placed inside the capsule of the DS9107 iButton)
Automatic wake-up and measure temperature at user-programmable intervals from 1 minute to 255 minutes
Log continuous temperature measurement data logging memory 2KB
A long-term temperature histogram is recorded at 2.0°C resolution
Programmable high temperature and low temperature alarm trigger point
Record up to 24 timestamps and durations when the trigger point of the temperature leaf is within the specified range
512 bytes of general-purpose battery-powered SRAM
Communication with a single digital signal host uses the 1-Wire protocol, at 15.4kbps or up to 125kbps
Common iButton features:
- Short exposure to digital identification and information
- Unique, factory-lith-etched and tested 64-digit registration number (8-digit family code + 48-digit serial number + 8-digit CRC checksum), guaranteed absolute traceability as no two parts are the same
- Multipoint controller for 1-Wire networks
- The chip-based data carrier stores information tightly
- Data can be accessed and pasted to objects
- The button is shaped to automatically align the cup probe
- The rugged stainless steel housing engraved with the registration number is built to withstand harsh environments
- The easy-to-apply adhesive backing is self-adhesive and its flange latches, or locked with a ring on the edge of the pressed edge
- When the reader first applies the voltage detection response
- Compliant with UL 913, Fifth Edition, Revised February 24, 1997, Absolute Safety Equipment: Approved for use in Class I, Group 1 A, B, C, and D locations under the Entity Concept

description

The DS1921G Thermochron®i button ® is a robust, self-contained system that measures temperature and records the results in a protected memory section. After the recording is completed, at a user-defined rate, either as a temperature value stored directly as well as in the form of a histogram. Store up to 2048 temperature values at intervals from 1 to 255min. The histogram provides 63 data boxes with a resolution of 2.0°C. If the temperature is left within a user-programmable range, it DS1921G also record how long the temperature remains outside the allowable range when this happens, if the temperature is too high or too low. An additional 512-byte battery-powered SRAM allows for the storage of information DS1921G associated objects. The 1-Wire® protocol for serial data transmission requires only one data cable and a return ground wire. Each DS1921G factory lithography is guaranteed to be unique, electrically readable, with a 64-digit registration number and absolutely traceable. Rugged stainless steel enclosure with high resistance to environmental hazards such as dust, moisture and impact. The accessories allow to be installed on almost any object, including containers, pallets, bags, DS1921G.

ICs related to DS1921Z include:

Model	Manufacturers	lot number	encapsulation	illustrate
DS1921Z-F5#	Maxim Integrated Products	17+	SMD	IBUTTON THERMOCHRON F5
DS1921Z	Maxim	11+	SSOP16	Robust, self-contained system that measures temperature, and records results
DS1921Z-F50	Dallas	05+	CAN	Brand new original

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