Featuring internal, 3.6 V lithium battery with surge protection, TruBlue™ 255 Level stores up to 550,000 level and temperature measurements in standard 8 MB memory (3.7 million with optional 56 MB memory). Battery lasts 10 years, based on one reading every 5 min, and auxiliary battery option doubles lifespan. Linear, linear averaging, and event sampling modes with programmable rates up to 8 Hz are available. Available FS water level ranges vary from 0–16 M H2O up to 0–188 M H2O.
This story is related to the following:Data Loggers & Data Logging Equipment