GlossaryEN1 min readUpdated: Jun 18, 2026

Threshold-Based Alerts

A reefer unit reads 6 °C when the cargo requires a maximum of 2 °C – that is precisely when a threshold-based alert fires.

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Last updated: 18 June 2026Published: 19 June 2025

Source: https://learn.microsoft.com/en-us/azure/azure-monitor/alerts/alerts-overview#threshold-based-alerts

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Definition & Explanation

A reefer unit reads 6 °C when the cargo requires a maximum of 2 °C – that is precisely when a threshold-based alert fires. The system continuously compares live sensor or performance data against predefined limit values and triggers a notification the moment a parameter breaches its set point, either upward or downward. In freight and logistics, common applications include cold chain temperature monitoring, transit time control, inventory level thresholds, and vehicle dwell times. Alerts are routed via TMS, WMS, or dedicated tracking platforms to dispatchers, supply chain managers, consignees, or insurers, enabling corrective action before a deviation becomes a loss. Unlike event-based alerts, which respond to discrete occurrences, threshold-based alerts are driven purely by numerical measurements crossing a boundary.

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Threshold-Based Alerts

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