Heatwatch TR-1

Heat monitors by Switched On I & T Services provide a cost effective heat monitoring system to measure the climate of the transportation environment.

The Heatwatch TR-1 is a new concept in temperature and spoilage monitoring. The added value of the TR-1 is its ability to track and calculate spoilage based upon a user-defined spoilage profile. In effect, this allows the user to program the TR-1 to behave and react exactly as the good being monitored. At any time, the user may poll the TR-1 to determine the condition and remaining shelf-life of the good being monitored, which is determined by the history of the environment it has been stored in and the specific spoilage characteristics of the good.

Packaging

The TR-1 is available in three (3) basic configurations; label, clip, and standalone.

The label configuration is normally for application of the TR-1 to packages. The form factor of the label makes it clearly visible to everyone handling the particular package. This configuration emphasizes awareness that the package is being monitored, thus promoting attention and special care.

The clip configuration is typically for placement where a small form factor is required. The clip configuration provides a 2.54cm diameter circular footprint that allows placement in confined areas.

The stand alone configuration provides the smallest form factor. Standalone devices can simply be "thrown in" with bulk shipments.

Software

The TR-1 utilizes a patent pending software package for programming and data retrieval. TR-1 software is very user friendly and utilizes a minimal number of screen to provide the required functionality. The primary screens are Settings, Database, and Spoilage Profile.

The Settings screen is used to program a TR-1 and launch a recording mission. Specific information such as the spoilage profile to be referenced, the sample rate, alarm set points, mission name, and the quantity if TR-1 devices to be used are selected and programmed from this screen.

The Spoilage Profile screen is used to construct the specific spoilage profile that will be referenced for spoilage calculations. The user is allowed to enter up to 40 data points that describe the time/temperature relationship for the product being monitored. The user may also select and construct a "High Quality" profile that is based on the spoilage profile but provides a margin to ensure the quality of the good.

The Database screen displays previously downloaded missions. When a specific mission is accessed various graphs can be reviewed that depicted different aspects of the mission. Sample graphs on shown on the following page.

Temperature Graph

Shows the mission temperature history as a function of time.

Spoilage Graph

Shows the original shelf life and high quality shelf life as well as the current remaining shelf life and high quality shelf life.

 

 Histogram

 TR-1 Features

• Digital thermometer measures temperature from as low as -20°C to +85°C in 0.5°C increments
• Temperature conversion accuracy ±=1°C from as low as -20°C to +70°C
• Real-time clock/calendar in BCD format counts seconds, minutes, hours, date, month, day of the week, and year with leap year compensation; Y2K compliant
• Real-time clock accuracy ±=2 minutes per month from 0°C to 45°C
• Programmable temperature-high and temperature-low alarm trip points
• Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes
• Logs up to 2048 consecutive temperature measurements in read-only nonvolatile memory
• Records a long-term temperature histogram with 2°C resolution (63 bins)
• Records time stamp and duration when temperature leaves the range specified by the trip points.
• 4096 bits of general-purpose read/write non-volatile memory
• 256-bit scratchpad ensures integrity of data transfer
• Overdrive mode boosts communication speed to 142k bits per second
• Memory partitioned into 256-bit pages for packetizing data
• On-chip 16-bit CRC generator to safeguard data read operations
• Digital identification and information by momentary contact
• Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike
• Chip-based data carrier compactly stores information
• Data can be accessed while affixed to object
• Economically communicates to host with a single digital signal at 16.3 kbits per second
• Standard 16 mm diameter
• Expected service life: 10 years @ 25°C
• Durable, hermetically sealed stainless steel case engraved with registration number withstands harsh environments
• Meets UL#913 - Intrinsically safe apparatus (United States)
• FDA approved mounting adhesive in clip configuration (pending) (United States)
• Presence detector acknowledges when reader first applies voltage

Additionally Switched On distributes state of the art technologies for validation, anti-counterfeiting, anti-diversion and identification.

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