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A complete IPI system includes inclinometer <br />casing, IPI sensors, signal cable, suspension kit, <br />suspension cable, data logger, and software. <br />Inclinometer Casing: Choose 85 mm or 70 mm <br />(3.34" or 2.75) diameter inclinometer casing. <br />Standard or Multiplexed Sensors: Standard <br />sensors have independent signal cables. This <br />offers the greatest flexibility for placement but <br />limits the number of sensors that can be installed <br />in one casing. Multiplexed sensors share a sig- <br />nal cable, but must be placed within 3 meters of <br />each other. <br />Uniaxial or Biaxial Sensors: Uniaxial sensors <br />measure tilt in the plane of the wheels. Biaxial <br />sensors have a second sensor that measures tilt <br />in the plane perpendicular to that of the wheels. <br />Wheels: Order wheels for each sensor. Choose <br />wheels to fit 85 or 70 mm casing. <br />Tubing for Gauge Lengths: Order gauge tub- <br />ing for each sensor. Tubing is sized to make exact <br />gauge lengths of 1, 2, or 3 meters. Three meters <br />is the maximum recommended gauge length. <br />Signal Cable: Order signal cable for each stan- <br />dard sensor. Cable runs from the location of the <br />sensor to the location of the data logger. <br />For multiplexed systems, order a jumper cable <br />connector and signal cable to run from the top <br />sensor to the location of the data logger. <br />Suspension Kit: Order one suspension kit for <br />each installation. The kit includes a top wheel <br />assembly, clamps and thimbles, a chain for fine <br />adjustments, and an S hook. Cable not included. <br />In-Line Suspension Kit: The in-line suspension <br />kit is used when it is necessary to monitor two or <br />more zones in the borehole. It allows sensors at <br />deeper zones to be suspended from sensors <br />above. The kit includes a top wheel assembly for <br />the sensor below, clamps and thimbles, and a <br />hanger that threads onto the sensor above. <br />Cable not included. <br />Data Loggers: Slope Indicator recommends <br />using Campbell Scientific CR1OX data loggers. <br />Two biaxial sensors or three uniaxial sensors can <br />be connected directly to the CR10 or up to 16 <br />uniaxial or biaxial sensors can be connected to <br />an AM 16/32 multiplexer. With multiplexed sen- <br />sors, up to six string of five sensors each can be <br />connected. No multiplexer is required. <br />Software: Communication software is required <br />to retrieve data from the data logger. Data reduc- <br />tion software, such as Argus, is used to process <br />and plot the data. <br />Slope Indicator Head Office 12123 Harbour Reach Drive, Mukilteo, WA, 98275 USA SLOPE INDICATOR <br />Tel: 425-493-6200 Tel: 866-916-0541 Fax: 425-493-6250 Email: solutions®slope.com , WW W. SLOPE I N D I C A T O R. C O M <br />Durim. (,eo Enterprises Noduas mid specdirations are %b;e,i to ev,ew eie"r- n <br />Wheels for 85mm Casing ..... <br />Wheels for 70 mm Casing .... <br />Tubing for 1 m Gauge Length. . <br />Tubing for 2 m Gauge Length. . <br />Tubing for 3 m Gauge Length. . <br />lhiio Kial IPI Sensor with Mux . <br />Boxial IPI Sensor with Mux . . <br />Tubing for 1 m gauge length <br />Tubing for 2 m gauge length <br />Tubing for 3 m gauge length <br />Jumper Cable Connector .. . <br />Signal Cable ............. <br />Suspension Kit, 85mm Casing ... 56804312 <br />Suspension Kit, 70 mm Casing ... 56804310 <br />3/16" Stainless Steel Cable ..... 56804300 <br />In-Line Suspension Kit, 85mm <br />In-Line Suspension Kit, 70mm <br />3/16" Stainless Steel Cable . . <br />Sensor Type: Electrolytic tilt sensor for tilt mea- <br />surements, thermistor for temperature measure- <br />ments. Built-in signal conditioner accepts power <br />input of 5.5 to 15 Vdc and outputs t2.5 volt dif- <br />ferential signal. Biaxial version contains two tilt <br />sensors. Multiplexed version operates from a <br />single signal cable. <br />Calibrated Range: -10 degrees. <br />Resolution: 9 arc seconds or 0.04 mm/m using <br />the CR10 data logger. <br />Repeatability: ±22 arc seconds or t0.1 mm/m. <br />Calibration: 11 point calibration taken at three <br />temperatures from 4 to 20 °C. Optional extended <br />calibration temperatures are -15 to +40 °C. <br />Max Gauge Length: 3 meters. <br />Required Casing: Fits 85 or 70 mm (3.34 or <br />2.75 inch) diameter casing. <br />Housing: Stainless steel. 38mm (1.5") diameter. <br />Signal Cable: Signal cable, ordered separately, <br />has seven 22-gauge tinned-copper conductors, <br />shield, and polyurethane jacket.