{"id":1963,"date":"2025-07-03T14:29:25","date_gmt":"2025-07-03T12:29:25","guid":{"rendered":"https:\/\/infratestdigital.de\/idstempwireless\/"},"modified":"2025-07-03T17:25:16","modified_gmt":"2025-07-03T15:25:16","slug":"idstempwireless","status":"publish","type":"page","link":"https:\/\/infratestdigital.de\/en\/idstempwireless\/","title":{"rendered":"idsTempWireless"},"content":{"rendered":"

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idsTempWireless<\/strong><\/h1>\n

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The idsTempWireless sensor is a high- precision, energy-efficient temperature sensor for use in demanding environments such as road construction. It measures temperatures up to 175 \u00b0C with high accuracy, stores the data internally in flash memory and transmits it wirelessly via a robust sub-GHz radio module if required. Thanks to an intelligent power-saving architecture with RTC-based wake-up logic, the sensor is suitable for long-term applications with minimal maintenance requirements. The compact design, robust electronics and flexible configuration make the sensor the ideal solution for mobile temperature detection under extreme conditions.<\/p>\n

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Technical data<\/h2>\n

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Parameter<\/th>\nValue \/ Description<\/th>\n<\/tr>\n<\/thead>\n
Measurement principle<\/strong><\/td>\nDigital temperature measurement with SPI sensor (TI TMP126)<\/td>\n<\/tr>\n
Measurement range<\/strong><\/td>\n\u201340\u202f\u00b0C to +175\u202f\u00b0C<\/td>\n<\/tr>\n
Accuracy (25\u202f\u00b0C)<\/strong><\/td>\n\u00b10.2\u202f\u00b0C<\/td>\n<\/tr>\n
Long-term drift<\/strong><\/td>\n< 0.05\u202f\u00b0C\/year (typical)<\/td>\n<\/tr>\n
Internal resolution<\/strong><\/td>\n16 bit (approx. 0.0078\u202f\u00b0C)<\/td>\n<\/tr>\n
Recording interval<\/strong><\/td>\nConfigurable: 5\u202fmin \u2013 24\u202fh (RTC-controlled)<\/td>\n<\/tr>\n
Memory<\/strong><\/td>\n16 Mbit (2 MB) flash memory, approx. 100,000 data records<\/td>\n<\/tr>\n
Time base<\/strong><\/td>\nQuartz-stabilized real-time clock (RTC) with crystal<\/td>\n<\/tr>\n
Time precision<\/strong><\/td>\n\u00b12 ppm at 25\u202f\u00b0C (~1\u202fmin\/month)<\/td>\n<\/tr>\n
Radio module<\/strong><\/td>\nSub-GHz radio module (868\u202fMHz)<\/td>\n<\/tr>\n
Transmission power<\/strong><\/td>\nUp to +13\u202fdBm<\/td>\n<\/tr>\n
Sensitivity<\/strong><\/td>\n\u2013120\u202fdBm (typical)<\/td>\n<\/tr>\n
Transmission range<\/strong><\/td>\nUp to 8\u202fm line of sight (depending on antenna and installation conditions)<\/td>\n<\/tr>\n
Communication<\/strong><\/td>\nBidirectional<\/td>\n<\/tr>\n
Processor<\/strong><\/td>\n8-bit automotive MCU, 2\u202fMHz clock frequency<\/td>\n<\/tr>\n
Operating modes<\/strong><\/td>\nTest \/ Standby \/ Logging \/ Radio transmission \/ High temperature alert (for operation >70\u202f\u00b0C)<\/td>\n<\/tr>\n
Power supply<\/strong><\/td>\nPermanently installed battery<\/td>\n<\/tr>\n
Power consumption (typ.)<\/strong><\/td>\n<10\u202f\u00b5A in sleep, <100\u202f\u00b5A logging, ~25\u202fmA during transmission<\/td>\n<\/tr>\n
Operating temperature<\/strong><\/td>\n\u201330\u202f\u00b0C to +85\u202f\u00b0C (electronics), sensor measurement up to +175\u202f\u00b0C<\/td>\n<\/tr>\n
Installation suitability<\/strong><\/td>\nHeat-resistant materials, suitable for temporary installation in hot asphalt<\/td>\n<\/tr>\n
Dimensions (sensor)<\/strong><\/td>\n5\u202fcm diameter, 2\u202fcm height<\/td>\n<\/tr>\n
Protection class (electronics)<\/strong><\/td>\nIP67 \/ IP68 depending on housing option<\/td>\n<\/tr>\n
Mounting<\/strong><\/td>\nEncapsulation, potting or pressing in<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Special features<\/strong><\/h2>\n

<\/p>\n

    \n
  • Precise high temperature measurement with SPI digital output<\/li>\n
  • Extremely low power consumption for up to 2 years of operation at 1 measurement\/hour<\/li>\n
  • Robust data storage via SPI flash<\/li>\n
  • Integrated wireless handshake for data backup<\/li>\n
  • Developed for maximum robustness in use<\/li>\n<\/ul>\n

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    idsTempWirelessThe idsTempWireless sensor is a high- precision, energy-efficient temperature sensor for use in demanding environments such as road construction. 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