WarmMark Duo TTI
WarmMark Duo indicates the duration of temperature exposure at two different activation temperature levels. If the windows in the WarmMark Duo indicator stay white, there is no problem. But if the temperature climbs beyond two specific thresholds, a red color moves through the windows of the indicator with the passage of time. If the temperature returns to below the threshold, the color stops moving. In this way, handlers and shippers can know how long the product was exposed above the threshold temperature.
| Type of Sensor: | Chemical / Time Temperature |
| Temperature Sensing Range: | 10°C & 34°C |
| Temperature Accuracy: | +/- 2°F (+/- 1°C) typical |
| Temperature Scale: | °F and °C |
| Dimensions: | 0.75 in × 3.88 in × 0.06 in |
| Weight: | .005 |
| Calibration Available: | Certificate of Conformance ( $ Extra ) |
| Adhesive: | Yes |
| Storage Conditions: | stored in an environment with temperature below the response temperature |
| Number of Events: | 2 |
| Color Change: | Permanent |
| Shelf Life: | 1 Year from Date of Sale |
| Adhesive Type: | 3M |
1. *All WarmMark breach window(s) should be white prior to arming the device.
2. Before arming, the WarmMark Duo indicator should be placed in an environment at least 5°C (9°F) below the WarmMark's activation threshold temperature for a minimum of 30 minutes.
To arm the WarmMark indicator, fold up and pull out the indicator’s activation tab until the tab and barrier film have been completely removed.
If using a WarmMark indicator with an activation threshold temperature below the ambient temperature, immediately place the indicator in the environment to be monitored to avoid activation.
Remove the adhesive liner from the WarmMark and adhere the indicator to a clean, dry surface.
The WarmMark should be located where it will be visible to the receiver of the monitored shipment.
The WarmMark can be adhered directly to the product being monitored or located inside the packaging.