Solinst Interface Meter
Specifications Sheet
ItemDailyWeeklyMonthly
100' cable $57.50 $157.50 $450
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200' cable  $57.50 $157.50 $450
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250' cable  $57.50 $157.50 $450
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300' cable $57.50 $157.50 $450
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750' cable $90  $210  $600 
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1000' cable $101.25 $236.25 $675
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Ideal for measuring the depth and thickness of hydrocarbon layers, the Solinst Model 122 Interface Meter uses a 5/8" probe attached to tape which is permanently marked each 1/100 ft. or millimeter, and mounted on a reel. It is powered by standard 9V batteries, which are located in easy-access drawers. The batteries give 120 hours of use and the probe has an automatic shut-off after 10 minutes.