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Probe and Sensor Installation Diagrams Probe and Sensor Installation <br /> 14" min. dia. <br /> manhole <br /> Cord grip <br /> o <br /> d4e;Q qaA Q� dp0-SG <br /> Seal-off <br /> Sensor well cap ---► 1/2" rigid conduit (to Console) <br /> w/locking handle <br /> Weatherproof junction box with <br /> 1/2-inch N.P.T. threads (16 cubic <br /> Extra sensor length inch volume minimum) <br /> should not exceed <br /> 2-feet <br /> Perforated PVC <br /> monitoring well <br /> Sensor - - housing <br /> Water float <br /> r <br /> Suspend water float 2%4" above bottom of well. <br /> NOTE: Water float must be submerged or console <br /> will indicate WATER OUT alarm. sensors\gwsinst.eps <br /> Item N.-Typical Groundwater Sensor Installation <br /> Figure 5. TLS-350 Probe and Sensor Installation Diagrams-concluded <br /> 24 <br />