The Temperature Recorder checks operating temperatures of the cooling system, engine oil system, hydraulic system, and brake system by providing a clear visual temperature indication. The recorder includes six silver-colored temperature-sensitive indicator windows that react when specific temperature levels are reached. Each window permanently changes to black once the assigned temperature threshold is exceeded, allowing easy identification of overheating events.Attributes:• Monitors operating temperature levels across multiple fluid-based systems.• Records temperature exposure through permanent color change indicators.• Supports detection of overheating conditions during operation.• Square block turns black when exposed to the indicator window.• Temperature range lies between 127 degree Celsius to 154 degree Celsius.Applications: The Temperature Recorder is used in systems where temperature levels must be visually monitored during operation and provides a permanent indication when cooling, engine oil, hydraulic, or brake system temperatures exceed defined limits.