Infiltration measurements are time consuming especially for slowly permeable soils, and are usually automated.  We have developed an apparatus for measuring ponded infiltration by using an Odyssey water level logger.  We put the sensor into a large (180 cm tall x 15 cm dia) Marriott to measure the water level and thus the infiltration.  We used single ring infiltrometers (30 cm dia) and a 5 cm head.  We have measured the infiltration process (dry to steady rate) at a 70 acre field site.  The the data were fit to the two parameter Philip's equation with good success.  The infiltrometer and Marriott were easy to install and could produce data for 6 to 12 hours between fill-ups, depending on flux rate.  The data were logger every 1 minute, but this can be user defined.  The cost for the water level loggers was under $200 USD.