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DS9093A Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS9093A Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 55 page  Hygrochron Temperature/Humidity Logger iButton with 8KB Data-Log Memory ________________________________________________________________ Maxim Integrated Products 1 19-4991; Rev 4; 4/11 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. General Description The DS1923 temperature/humidity logger iButton® is a rugged, self-sufficient system that measures temperature and/or humidity and records the result in a protected memory section. The recording is done at a user-defined rate. A total of 8192 8-bit readings or 4096 16-bit readings, taken at equidistant intervals ranging from 1s to 273hr, can be stored. Additionally, 512 bytes of SRAM store applica- tion-specific information and 64 bytes store calibration data. A mission to collect data can be programmed to begin immediately, after a user-defined delay, or after a temperature alarm. Access to the memory and control functions can be password protected. The DS1923 is con- figured and communicates with a host-computing device through the serial 1-Wire® protocol, which requires only a single data lead and a ground return. Every DS1923 is factory lasered with a guaranteed unique 64-bit registra- tion number that allows for absolute traceability. The durable stainless-steel package is highly resistant to envi- ronmental hazards such as dirt, moisture, and shock. Accessories permit the DS1923 to be mounted on almost any object, including containers, pallets, and bags. Applications Temperature and Humidity Logging in Food Preparation and Processing Transportation of Temperature-Sensitive and Humidity-Sensitive Goods, Industrial Production Warehouse Monitoring Environmental Studies/Monitoring Features ♦ Digital Hygrometer Measures Humidity with 8-Bit (0.6%RH) or 12-Bit (0.04%RH) Resolution ♦ Operating Range: -20°C to +85°C; 0 to 100%RH (see Safe Operating Range Graph) ♦ Automatically Wakes Up, Measures Temperature and/or Humidity, and Stores Values in 8KB of Data-Log Memory in 8-Bit or 16-Bit Format ♦ Digital Thermometer Measures Temperature with 8-Bit (0.5°C) or 11-Bit (0.0625°C) Resolution ♦ Temperature Accuracy Better Than ±0.5°C from -10°C to +65°C with Software Correction ♦ Built-In Capacitive Polymer Humidity Sensor for Humidity Logging ♦ Hydrophobic Filter Protects Sensor Against Dust, Dirt, Contaminants, and Water Droplets/Condensation ♦ Sampling Rate from 1s Up to 273hr ♦ Programmable Recording Start Delay After Elapsed Time or Upon a Temperature Alarm Trip Point ♦ Programmable High and Low Trip Points for Temperature and Humidity Alarms ♦ Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function ♦ 512 Bytes of General-Purpose Memory Plus 64 Bytes of Calibration Memory ♦ Two-Level Password Protection of All Memory and Configuration Registers ♦ Communicates to Host with a Single Digital Signal at Up to 15.4kbps at Standard Speed or Up to 125kbps in Overdrive Mode Using 1-Wire Protocol ♦ Individually Calibrated in an NIST-Traceable Chamber ♦ Calibration Coefficients for Temperature and Humidity Factory Programmed Into Nonvolatile (NV) Memory Common iButton Features ♦ Digital Identification and Information by Momentary Contact ♦ Unique Factory-Lasered 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts Are Alike ♦ Built-In Multidrop Controller for 1-Wire Net ♦ Chip-Based Data Carrier Compactly Stores Information ♦ Data Can Be Accessed While Affixed to Object ♦ Button Shape is Self-Aligning with Cup-Shaped Probes ♦ Durable Stainless-Steel Case Engraved with Registration Number Withstands Harsh Environments ♦ Easily Affixed with Self-Stick Adhesive Backing, Latched by Its Flange, or Locked with a Ring Pressed Onto Its Rim ♦ Presence Detector Acknowledges When Reader First Applies Voltage ♦ Meets UL 913, 5th Ed., Rev. 1997-02-24; Intrinsically Safe Apparatus: Approved Under Entity Concept for Use in Class I, Division 1, Group A, B, C, and D Locations Ordering Information Pin Configuration appears at end of data sheet. #Denotes a RoHS-compliant device that may include lead(Pb) that is exempt under the RoHS requirements. Examples of Accessories iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc. PART ACCESSORY DS9096P Self-Stick Adhesive Pad DS9101 Multipurpose Clip DS9093RA Mounting Lock Ring DS9093A Snap-In FOB DS9092 iButton Probe PART TEMP RANGE PIN-PACKAGE DS1923-F5# -20°C to +85°C F5 iButton |
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Similar Description - DS9093A |
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