iTemp

iTemp is a software application for Palm OS handhelds that allows you to read and store temperature data from a Dallas Semiconductor Thermochron iButton module. iTemp allows you to: Choose the time to begin temperature taking Set a sampling rate Set high and low alarm thresholds Set when to stop logging This method of data storage records when a critical thermal exposure occurred and helps you assign accountability for any resulting loss of product quality.

Once the data has been sampled, iTemp allows you to: View a chronological log of the temperature data View a graph of the temperature data View a histogram of the data View the High and Low alarms, and the duration that the temperature was in an alarm state. Save the data to a database (Enterprise edition only) Export the temperature data to a comma-separated value file (Enterprise edition only) A Thermochron is a time/temperature recorder housed in a rugged stainless steel can about the size of 5 dimes stacked one on top of another. The Thermochron is small, rugged, and easily attaches anywhere--for example, on industrial hardware, boxes, crates, pallets, air cargo containers, refrigerators, semi trailers, railroad freight cars, and archival storage rooms.

You can order a Thermochron Starter Kit (DS1921K) from Dallas Semiconductor. It costs $25 USD and includes: Thermochron iButton (DS1921) iButton Keyring Fob Attachment (DS9093F) 9-pin Universal 1-Wire COM Port Adapter (DS907U-009) Blue Dot Receptor with RJ-11 Connector (DS1402D-DR8 ) Instruction Sheet Update Description
12/29/02 - iTemp v3.5
New in V3.5: Sony CLIE handhelds and Handspring Visor handhelds are now supported. Histogram now supports color. Only non-zero bins are displayed in histrogram. New "Fit to" on graph allows you to view entire mission on one screen. Can read/write extra information to thermochron (for example, for shipping information). Data is written when mission is started, and read and saved to card. Addition of "Back" arrow on Histogram plot and log plot for quick access to raw data. Only ask about demo first time that no hardware is found. Allow tap anywhere on plot view to display values. This makes taps or sliding your stylus seem more sensitive. Addition of Menu Bar icon shortcuts. Added support of high resolution thermochrons models DS1921H and DS1921Z. 05/19/02 - iTemp v3.0
New in V3.0: iTemp now supports overdrive mode so the complete Thermochron data can be uploaded in ~2 seconds with no additional hardware. Provides color support for graphing and logging data, so you can easily see temperatures that are above range, below range, or in range. Provides VFS (Virtual File System) support for saving your Mission data to an external memory card in .csv format for easy import into Excel. Provides a "You pick the end date" on the Mission Menu to help you best set the sample rate for your Mission. Provides a display to show you how long your Mission will last based on the chosen sample rate. Provides complete built-in Demo Mode. This will allow you to try ALL the features of iTemp without hardware by using simulated data. 11/13/01 - iTemp v1.5
New in V1.5: Celsius temperatures now supported Larger range of temperature values for the High Alarm and Low Alarm setting.