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1 - _ ---- b MODESTO ATC - <br /> PAGE 02 <br /> Uinst Lev TM <br /> elogger <br /> Mode!3001 Data Sheet <br /> (`I <br /> Lffifflioa <br /> r TM Advantages <br /> a. <br /> om 3001 `� <br /> momr <br /> O Only 7/87'(22 mm)diameter <br /> The Leveloggerr" is a new approach to the automatic O Maintenance-free,water tight probe <br /> recording of water levels in uregs, boreholes, lakes, rivers, O Quick Installation and retrieval <br /> tanks,harbours,etc. Each Levelogger consists of sensor(s), O Easily transported: lightweight,small sized and no <br /> battery and data logger housed within a small diameter, hazardous materials forms required <br /> factory-sealed staintess steel housing. Infra-Siad Data Transfer <br /> The Levelogger uses infrareddata transfer. This allows the O No vented electrical cable required <br /> use of inexpensive stainless steel wireline,rather than more <br /> expensive vented electrical cable. This isolates the trans- ! No damage or errors from electrical interference - <br /> ducer from electrical Interference and makes it easier to O Avoids vandalism,as the loggers are hilly hidden <br /> conceal the logger from vandals. Very Easy-to-Use Software <br /> L.eveloggers have a battery lite of 8-10 years,are available in i Easy data export to spreadsheets and databases <br /> a variety of ranges,in the two models described below. O Automatic temperature compensation(LT) <br /> The fully automatic,easily programmed Levelogger allows O Barometric compensation wizard in Windows95 <br /> measurements at chosen time intervals as small as 0.5 • Logarithmic,event based or linear sampling(LT} <br /> seconds_ <br /> The LTLevy loaaermeasures pressureandThe L Level oaaer is a lower Cost logger that <br /> temperahe it dsplays lempantim oonrparssind measures pressure. It does not measure temperature <br /> level and temperature readings. Sampling therefore it is recommended for situations where <br /> may be linear, logaritftrntc or event-based only minimal temperature change is anticipated, <br /> with a maximum of 2 x 24,000 readings stored. It has a (i.e. most groundwater applications). Sampling is linear <br /> resolution of 1/5000th and an accuracy of 0.1% of the only,witha resolution of 1/1004)thand an accuracy of 0.2% <br /> stated range, between-10°C and 40°C, of the stated range. <br /> High QuaUo Groundwater Monitoring Instruments rofin fit° <br /> UV`jgifJ <br />