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Temperature Sensor

The temperature sensor used in Logmore data logger models One & Two is the Silicon Labs Si7055.

For Logmore Three temperature sensor data, refer to

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Sensor specifications

Temperature: –40.0 °C to +125.0 °C, Typical ±0.4°C

Measurement range

-40.0 °C ... +125.0 °C

Operating temperature

Operating temperature range with default config -30.0 °C ... +80 °C

Display updates in ambient temperatures between 2.0 °C ... 49.0 °C

Max -40.0 °C to +80 °C

Absolute accuracy

Typical ±0.4 °C, maximum ±0.5 °C

Calibration

Calibrated ±0.5 °C at full range (–40.0 °C to +125.0 °C).

Individual certificate available for each tag at the Logmore web service.

Resolution

Sensor resolution is configurable between 0.1 °C ... 20 °C.

Default resolution is variable: -30.0 °C ... -15.0 °C: resolution 1.0 °C -15.0 °C ... -2.0 °C: resolution 0.5 °C -2.0 °C ... +27.0 °C: resolution 0.2 °C +27.0 °C ... +43.0 °C: resolution 0.5 °C +43.0 °C ... +80.0 °C: resolution 1.0 °C

Temperature sensor location

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To ensure these verifications are met, every individual sensor has been factory calibrated to these standards as stated on page two. Each data logger unit has been tested to correctly communicate with the temperature sensor as well as the cloud system. All data moved to the cloud service is encrypted with highly secure encryption algorithms. By all these means, and other additional security measures, we can ensure the validity and accuracy of the data system wide.

Logmore calibrates Logmore QR data loggers according to the NIST and ISO17025 standards. The calibration guarantees a maximum of 0.5°C inaccuracy in measurements.

Sensors: