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<br /> Use of Direct Read Cables Use of Wireline Suspension
<br /> When it is desired to get realtrme data and communicate with Leveloggers may also be suspended m the water on wireline.
<br /> Leveloggers without removal from the water, they can be This is a very inexpensive method of deployment,and if in a
<br /> deployed using direct read cables. well, allows them to be locked out of sight and u.naccessible
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<br /> The lower end of the direct read.cable has a. miniaturized to anyone p y
<br /> infra-red optical reader. The top cap of the Levelogger is Solinst has adapted the Enviro Capes',by putting a.vent hole
<br /> removed and the direct read cable attached in its place. In in the cap to allow' for.the equalization of barometric
<br /> turn the upper end of the cable is fitted with an infra-redpressure.'The well cap has a convenient eyelet from which
<br /> connector, and attaches, via.a'PC interface.cable, to the to suspend the Levelogger. It slips over the casing and is
<br /> pot•table computer. locked in place with the special key, as shown.
<br /> This allows' viewing.of the. data, downloading and/or The Enviro Caps are available sized for 2." and 4"wells,and
<br /> programming in the field. well caps for other sizes of well can also be used,
<br /> The full benefits of a sealed Levelogger with no vent tube or
<br /> electrical cable connection are also maintained. The logger is
<br /> still sealed from all electrical interference through a Faraday `F
<br /> cage effect and cable handling problems are minimized.
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<br /> LLevelogger The PC Interface Cable
<br /> 30'(9m)Direct Read Cable and PC Interface Cable connected to the Lockable Cap with Key,
<br /> 1"Well Cap and Cover 2"Wellcop and Cover: Direct Read Cable. Wir•c.line and Clamps.
<br /> Direct Read Cable S ecifications. Barometric Pressure
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<br /> Direct read cables are available for attachment to' any Leveloggers measure absolute pressure (water pressure +
<br /> Levelogger,.new or old, in standard lengths of:'. atmospheric pressure) expressed in feet or centimeters of
<br /> water column.
<br /> 50',.100',200',300.'500'and.15m,30m,60m,80m 10061 The most accurate method of obtaining changes in water
<br /> Custom cable lengths, to fit particular monitoring situations, level is to compensate.for atmospheric pressure using a .
<br /> are also available, as required: These cables have one Barologger. This avoids any time lag in the compensation
<br /> marking on the cable at the requested length., Extra cable figures and any errors introduced due to moisture buildup,
<br /> markings, each 5 £t. or one meter, may be requested, for kinking or damage fo vented cable.
<br /> situations where the direct read Leveloggers need to be used The Barometric Compensation Wizard in the Levelogger.
<br /> in a variety of locations.. Windows software simplifies the adjustment. of the level
<br /> The 1/10"dia.(2.54 mm)cable has an.HDPE outer jacket for rneasuremerits for barometric pressure changes,by using the
<br /> strength and durability. The stranded'stainless steel central synchronized data from all Leveloggers on site and the site
<br /> . conductor gives non-stretch accuracy. Barologger.
<br /> The overall results give more reliable, highly accurate level
<br /> The upper end' of the direct read.cable is fitted with a data than that obtained when using vented cable.
<br /> connector that can act as a well cap for a I" well. This
<br /> connector fits'within SoHnst Levelogger well caps designed
<br /> for 2" or 4" wells, and can easily be attached at surface in
<br /> I other situations. - -
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<br /> High Quality Groundwater Monitoring Instrumentation F }� 1 t 4
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