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Pinktail BX™ Tool

Run Time Estimator

Estimate how long a Pinktail BX™ indicator will remain active at any temperature. Each signal temperature uses a standard formula — contact us if you need a custom formula for your specific application.

Configure Your Estimate

Model: t(T) = C × exp(ST × T) — where T is temperature in °C, ST depends on the signal temperature, and C is solved from your target condition.

Model details & settings
0 °C: ST = −0.1290 −18 °C: ST = −0.1241 −37 °C: ST = −0.1385 −67 °C: ST = −0.0929

These are the standard formulas for each signal temperature. C is solved from your target: C = tref / exp(ST × Tref). Custom formulas may be available for specific customer applications — contact us to learn more.

Temperature (°C) Temperature (°F) Status Estimated Run Time
This estimator uses an exponential decay model calibrated against lab data. Rows below the signal temperature show No change because the indicator is frozen. Always validate estimates with bench tests before relying on them for critical applications.

Need a Custom Formula?

The standard formulas work well for most applications, but we can develop custom run-time profiles tailored to your specific storage conditions, temperature ranges, or compliance requirements. Reach out to discuss your needs.

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