RTR-501 Temperature Logger

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The compact RTR-501 logger has a single internal temperature sensor and works with any of the data collectors in the RTR-500 series. It is water resistant and dustproof, making it ideal for use in harsh environments, such as frozen or refrigerated storage.



  • Allows Real-Time monitoring of goods during transport when used with the RTR-500GSM base station
  • Wireless communication range up to 150 meters (500 ft) if unobstructed
  • Large data storage capacity and 15 selectable recording intervals from 1 second to 1 hour
  • High speed wireless connection for quick downloads - about two minutes at full capacity
  • Water resistant, immersion proof
  • Exceptional battery life of up to one year
  • Calibration adjustment function



  • Range: -40°F to 176°F (-40°C to 80°C)
  • Accuracy: ±0.9°F (±0.5°C)
  • Resolution: 0.1°
  • Capacity: 16,000 readings
  • Wireless Frequency: 902 to 928 MHz
  • Power:
    • Standard version: LS14250 Lithium battery - 10 months avg. life (battery included)
    • Large version: LS26500 Lithium battery - 4 years avg. life (battery not included)
  • Dimensions: 2.44" x 1.85" x 0.75"
  • Weight: 54 g
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