This surprising data logger looks exactly like a small battery, but has the features of a larger datalogger. The price is on level with disposable chart recorders, however the Thermochron ® iButton has an expected life time of up to 8 years. It is water resistant and accurate to ±1 °C. To run the system you need a Thermochron ® interface, any number of Thermochrons ® and software.
This data logger has all the features of a larger temperature datalogger, but is the size of a small coin cell battery. These dataloggers are inexpensive, with a lifetime of 5-7 years. iButton dataloggers are water resistant and accurate to ±1 °C between -30 to + 70 °C.
Temperature Technology has expanded the T-TEC datalogger software to also operate the iButtons. A starter kit, complete with software, iButtonspecific serial interface or USB adaptor and one Thermochron data logger, is available.
|Model number||Temperature Range||Memory|
|DS1921G||-30 + 70 °C||2,048|
|DS1921H||+15 + 46 °C||2,048|
|DS1921Z||-5 + 26 °C||2,048|
|DS1922E||+15 +140 C||4,096 or 8,192*|
|DS1922L||-30 +70 C||4,096 or 8,192*|
|DS1922T||0 + 125 C||4,096 or 8,192*|
|DS1923||-20 +85 C, 0 - 100%RH||2,048 or 4,096*|
*Depending on resolution
Thermochron and iButton are registered trademarks of Maxim Integrated Products.