Overview : 
Wireless temperature data logger (PT1000).
Stainless steel sensor tip at housing standard version (433.92 MHz)

Applications : 
Phamaceutical and food industries, meteorology, environmental engineering, museums/glass cabinets, monitoring of storerooms, mechanical engineering, chemical industry, research and development

Features :

  • PT1000 integrated temperature probe
  • Accuracy: ± 0.1 °C at 0 °C
  • Radio frequency: 433.92 MHz for best penetration through brickwork and walls
  • The use of the frequency 433.92 MHz is not permitted in the USA
  • High storage capacity: up to 500,000 measured values with serial number, time and date
  • Flash memory for data security in the case of power failures
  • Long-term recording up to 6 years without battery replacement possible
  • Transmission distance with USB/LAN wireless adapter: up to 100 m (free field)
  • Data security: PIN (for activation and data access)
  • Temperature application range: -40 to + 85 °C
  • Plastic housing, white, IP69 (submersible)

Source : http://www.rotronic.sg/humidity-measurement-feuchtemessung-temperaturmessung/temperature/log-pt1000-rc.html