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TESTWELL WATER LEVEL METERS Yes... You have finally found THE WORLDS ONLY small diameter (7/16 OD) Interface Meter for your 1/2" ID or 12 mm ID wells to detect floating or sinking hydrocarbons down to 1/2 mm or 1/200 of a foot. 5/8 diameter probe is also available. WATER SENSITIVITY CONTROL Infra-red refraction is used to detect liquids and conductivity is used to detect the water. For heavy viscous oils, detect water sensitivity quickly by increasing the external sensitivity control. For high conductivity water (brine) decreasing the sensitivity control prevents bridging so a moist probe is not detected as being in water. While all water level meters have a water sensitivity adjustment, there isn't another interface meter on the market with this feature except the INT Interface Meter. FLUID SENSOR CONTROL State of the art electronics will also correct for a severely damaged optical sensor* BEST RESOLUTION & ACCURACY 1/100 ft or 1mm & 5x more accurate than white tapes with a Kynar or Polyethylene jacket Measure LNAPLs & DNAPLs with pressure proof stainless steel probe. HOOK & CABLE PROTECTOR Protects tape from casing Lets unit hang from casing 10 YEAR WARRANTY ON COMPONENTS Lifetime warranty on the reel FIELD-TESTED & AWARD-WINNING Based on our popular SST-Series Rugged Reel and tape with the #1 Ranking for accuracy, durability and ease of use. Tapes meet or exceed federal specification US GGG-T-106E (U.S.A.) or EEC CLASS II (Europe) for a guaranteed accuracy of .008%. Also available with a 5/8 diameter stainless steel probe which has all of the features of the smaller 7/16 diameter probe. Both units have an automatic shut off after 10 minutes. PROVEN & RUGGED OPTICAL SENSOR Two separate sensitivity controls for the water sensing and fluid sensing circuits allow the user complete control over the performance of the instrument. Operating Principle: Water Sensing Conductivity Hydrocarbon Sensing Infra-red refraction For pricing please contact us. There are no products to list in this category.