Digital thermometer measures temperature 1/8°C increments with ±1°C accuracy Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°to 45°C Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes Logs up to 2048 consecutive temperature measurements in protected nonvolatile (NV) random access memory Records a long-term temperature histogram with 1/2°C resolution Programmable temperature-high and temperature-low alarm trip points Records up to 24 time stamps and durations when temperature leaves the range specified by the trip points 512 bytes of general-purpose read/write NV random access memory Communicates to host with a single digital signal at 15.4kbits or 125kbits per second using 1-Wire ® protocol Fixed range: H: +15°C to +46°C; Z: -5°C to +26°C
Common iButton features:Digital identification and information by momentary contact Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike 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 (4th Edit.). Intrinsically Safe Apparatus: approved under Entity Concept for use in Class I, Division 1, Group A, B, C, and D Locations (application pending) |