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LIMITmarker® Heat Indicators

Gloved hands holding a syringe package with LIMITmarker on it

Simplify Monitoring of Heat-Sensitive Products

Zebra’s LIMITmarker® heat indicator, manufactured by Temptime®, is a single-use indicator that can be applied directly to heat-sensitive products. LIMITmarker provides an easy-to-read, irreversible visual signal within the specified response time that heat exposure at or above the response temperature has occurred. It is adhesive-backed and can be applied directly to product surfaces or packaging. The indicating “window” on the label changes color when the response temperature has been exceeded.

  • Provide Assurance to Your Customers

    Zebra’s LIMITmarker indicators give customers critical information about their heat-sensitive products. Meet your customer's needs and increase their satisfaction by providing them with easy-to-understand and clearly visible indications of heat exposure.

  • Quickly Identify Time-Temperature Endpoints

    Quickly identify time-temperature endpoints with clear visual indications. LIMITmarker F indicators change color from white to pink or red within the specified response time to indicate it has reached endpoint. When LIMITmarker I indicators reach their endpoints, their center circle will match or will be darker than the outer circle.

  • Response Times to Match Your Product's Profile

    Response times are critical for ensuring your product has not been exposed to excessive temperatures. Select the right response time for your product. LIMITmarker F is a delayed response indicator with a response time between 15 minutes and 2 hours, while LIMITmarker I is a quick response indicator with a response time within seconds to 15 minutes.

Learn More About Temperature Monitoring and Sensing Products

LIMITmarker F on Package in Box

LIMITmarker F

Delayed Indication of up to 2 hours

LIMITmarker F is a delayed-indication threshold heat indicator that monitors temperature. The indicator will reach its endpoint within 2 hours when exposed to temperatures above or beyond the threshold temperature.

TransTracker D Indicator

LIMITmarker I-C and I-P

Immediate Indication Within Seconds

LIMITmarker I-C and I-P are immediate-indication high-heat threshold indicators that monitors temperature. The indicator will reach its endpoint within seconds when exposed to temperatures above or beyond the threshold temperature.

TransTracker D Indicator

LIMITmarker I-K

Quick Indication Up To 15 Minutes

LIMITmarker I-K is a quick-indication high-heat threshold indicator that monitors temperature. The indicator will reach its endpoint within 15 minutes when exposed to temperatures above or beyond the threshold temperature.

TransTracker With LIMITmarker

Shipment Heat Indicator Cards

TransTracker with LIMITmarker heat indicators are single-use devices that can be placed in shipment packaging to monitor heat exposures during shipping. They can be customized with branding and messaging from the shipper or supplier.

Learn More About Temperature Monitoring and Sensing Products

More Temperature Monitoring and Sensing Solutions

HEATmarker®

HEATmarker® is a self-adhesive time-temperature integrator applied to temperature sensitive products for monitoring heat exposure over time.

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Electronic Temperature Sensors

Use Zebra's wireless, Bluetooth-enabled electronic temperature sensors to monitor the exposure of drugs, biologics, vaccines and medical devices to environmental conditions.

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Shipment Temperature Indicators

Zebra's TransTracker® indicators monitor heat, freeze or dual heat-freeze exposures of temperature-sensitive products during shipping or storage.

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