Monnit Wireless Digital Temperature Sensor
The ALTA Wireless Digital Temperature Sensor produces and displays a thermistor-based temperature measurement and is available with multiple lead lengths.
Key Features
- Measurement Range: -40 to 125°C (-40 to 257°F)
- Resolution: 0.1°C (0.18°F)
- Accuracy: ± 1°C (± 1.8°F)
- 4-digit display with Power and Read buttons
- Configurable thresholds for critical condition monitoring
- Wireless range of 2,000+ feet through 18+ walls 1
- Frequency-Hopping Spread Spectrum (FHSS)
- Best-in-class interference immunity
- Best-in-class power management for longer battery life 2
- Encrypt-RF Security (Diffie-Hellman Key Exchange + Advanced Encryption Standard (AES)-128 Cipher Block Chaining (CBC) for sensor data messages)
- Sensor logs 2000 to 4000 readings if the gateway connection is lost (non-volatile flash, persists through power cycling):
- 10-minute Heartbeats = ~ 22 days - 2-hour Heartbeats = ~ 266 days - Automatic over-the-air updates to sensor firmware (future-proof)
- Free iMonnit Basic Online Wireless Sensor Monitoring and Notification System to configure sensors, view data, and send alerts via SMS text, email, and voice call
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The ALTA Wireless Digital Temperature Sensor produces and displays a thermistor-based temperature measurement and is available with multiple lead lengths.
Key Features
- Measurement Range: -40 to 125°C (-40 to 257°F)
- Resolution: 0.1°C (0.18°F)
- Accuracy: ± 1°C (± 1.8°F)
- 4-digit display with Power and Read buttons
- Configurable thresholds for critical condition monitoring
- Wireless range of 2,000+ feet through 18+ walls 1
- Frequency-Hopping Spread Spectrum (FHSS)
- Best-in-class interference immunity
- Best-in-class power management for longer battery life 2
- Encrypt-RF Security (Diffie-Hellman Key Exchange + Advanced Encryption Standard (AES)-128 Cipher Block Chaining (CBC) for sensor data messages)
- Sensor logs 2000 to 4000 readings if the gateway connection is lost (non-volatile flash, persists through power cycling):
- 10-minute Heartbeats = ~ 22 days - 2-hour Heartbeats = ~ 266 days - Automatic over-the-air updates to sensor firmware (future-proof)
- Free iMonnit Basic Online Wireless Sensor Monitoring and Notification System to configure sensors, view data, and send alerts via SMS text, email, and voice call
- Wireless Digital Temperature Sensor
- Mounting Hardware
- 2 x AA Batteries

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