V1.0 September 2017
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MEMS Digital
Vertical In-Place Inclinometer
Page 1: ...V1 0 September 2017 I N S T R U C T I O N M A N U A L MEMS Digital Vertical In Place Inclinometer...
Page 2: ...extension rod 13 5 3 Installation with extension rods 14 5 4 System components wire rope 23 5 5 Installation with wire rope 24 5 6 Wiring 31 5 6 1 Colour coding 31 5 6 2 RS 485 to RS 232 Interface 31...
Page 3: ...onitoring Stability of retaining walls Dam monitoring Horizontal pile testing Slope stability monitoring Particular features of Geosense IPI s are Reliable long term performance Ruggedness suitable fo...
Page 4: ...applications they are installed in strings where each IPI is connected to its neighbour by a Universal joint Each IPI comprises the following elements Continued from page 3 1 Top hanger used to suspen...
Page 5: ...the inclinometer casing and are employed where continuous or frequent monitoring is required The completed installation is in effect a string of interconnected inclinometer probes separated by rods or...
Page 6: ...ing is established from the readings of individual IPI sensors Changes to the verticality of a vertical or inclined inclinometer casing changes in the horizontal plane are detected by the sensor and t...
Page 7: ...ibility Directive 2014 30 EU Restriction on the use of certain Hazardous Substances RoHS2 2011 65 EU Equipment description MEMS Digital IPI Make Brand Geosense Model Numbers IPI V 1 IPI V 2 IPI I 1 IP...
Page 8: ...ormation Manufacturers telephone number website address Product group MEMS Inclinometer system Product type MEMS In place inclinometer system Model IPI V 1 IPI V 2 IPI I 1 IPI I 2 IPI H 1 IPI H 2 Rang...
Page 9: ...follow the steps detailed in Section 6 of this manual Continued on page 10 4 0 DELIVERY This section should be read by all users of IPI s manufactured by Geosense 4 2 Handling Whilst they are a robust...
Page 10: ...areas should be free from rodents as they have been known to damage connecting cables No other special requirements are needed for medium or long term storage although temperature limits should be co...
Page 11: ...al to establish and confirm details of the installation to be carried out Some of the main considerations are listed below 1 Intended elevation and length of each IPI element An IPI comprises a series...
Page 12: ...acing of markings can vary according to specific site requirements As a guide 5m to 10m is commonly applied but closer spacing nearer the ends 4 Tools Obtain any tools necessary to carry out the insta...
Page 13: ...ble on request 4 IN PLACE INCLINOMETER PROBE IPI Instrument fitted with one Uniaxial or two Biaxial MEMS sensors It is mounted within a watertight stainless steel tube fitted with two wheel sets that...
Page 14: ...STEP 1 Assemble the component parts required for a the installation STEP 2 Remove the BLACK end cap from the end of one of the rods STEP 3 Remove the RED plug from the end of an IPI sensor Continued...
Page 15: ...s of the joint together until the threads meet STEP 6 Rotate the threaded locking ring until the locking spring clip snaps into place It is not necessary to tighten further Continued from page 14 Note...
Page 16: ...onnect a length of rope to the bottom wheel assembly using the loop provided Shown here is the rope passing through the plastic cable clip for neatness but this is not essential Continued from page 15...
Page 17: ...check the pin socket alignment and tighten the connector until the locking clip snaps into place Carefully lift the assembly up to vertical and position it over the inclinometer casing ready for insta...
Page 18: ...ometer casing taking care to orientate the wheels correctly STEP 10 As the assembly is lowered insert the installation fork into the slots located at the uppermost end of the extension rod under the I...
Page 19: ...ove the top BLACK dust cap from the previously installed IPI sensor and carefully align the next extension rod with the sensor STEP 14 Tighten the connector and engage the snap clip STEP 15 Raise the...
Page 20: ...e top hanger The top wire bond is available in pre assembled lengths 1 2 3 4 etc or can be provided so it can be adjusted on site STEP 18 Connect the other end of the top wire bond to the top fly lead...
Page 21: ...emove the spport tool STEP 22 Loosen the safety rope and lower the assemblies into the inclinometer casing ensuring that the wheels are aligned in the correct grooves Continued from page 20 Continued...
Page 22: ...sts on the top the inclinometer casing It is good practice to mark the position of the top hanger on the inclinometer casing so it can re located if removal is Continued from page 21 A PROTECTIVE COVE...
Page 23: ...I sensor together 4 IPI WR TOP PROBE Instrument fitted with one Uniaxial or two Biaxial MEMS sensors It is mounted within a watertight stainless steel tube fitted with two wheel sets that run in the i...
Page 24: ...installation STEP 2 Identify which sensor is to be located at the base of the installation and remove the RED plug STEP 3 Remove the BLACK cap from the end of the bottom wheel termination assembly No...
Page 25: ...halves of the joint together until the threads meet STEP 6 Once the connections are pushed together rotate the threaded locking ring until the locking spring clip snaps into place It is not necessary...
Page 26: ...tom wheel assembly and the IPI sensor into the inclinometer casing Ensure that the installation fork is available to be used Consequently the sprung wheel should be located in the keyway in the inclin...
Page 27: ...installation fork into the slots on the top of the connector to support the assembly ready for the next part of the installation STEP 11 identify the next IPI sensor to be installed and remove the RE...
Page 28: ...tors together as in STEP 6 STEP 14 connect the Rapid Link on one end of an intermediate wire rope support onto the top of the IPI sensor STEP 15 lift to remove the installation fork and lower the asse...
Page 29: ...into the casing REPEAT FOR ALL SENSORS STEP 17 identify the top IPI sensor and connect one end of the top support wire rope using the Rapid Link STEP 18 attach the other end of the top support wire t...
Page 30: ...he top collar hanger rests on the top of the casing secure the support rope to its final location A PROTECTIVE COVER SHOULD BE USED TO PREVENT UNAUTHORISED ACCESS IPI ASSEMBLIES SHOULD ALWAYS BE SUSPE...
Page 31: ...r datalogger e g Campbell Scientific being used with the Geosense IPI an RS 485 to RS 232 Interface module may be required see below Various types of screened cables are available and the Interface ha...
Page 32: ...The Geosense In Place Inclinometer IPI is fully compatible with the WI SOS 480 Digital Node and is wired as shown below Please refer to the WI SOS 480 manual for further details on configuration IPI...
Page 33: ...ace Inclinometer IPI can be read directly with a Windows Tablet such as the Linx shown below The accessories that will be needed in addition are RS 485 to RS 232 Interface USB A to B also known as a p...
Page 34: ...s important to establish the initial reading for each of the IPI s Depending upon the reading method adopted the initial readings may in either degrees or sine of degrees The function of an instrument...
Page 35: ...anager or similar See Right F Click on the COM Port tab and select the correct communication port G Select the preferred units of Tilt Rotation from the drop down list Sine of the Angle or Degrees Con...
Page 36: ...elvin J Enter the Serial number of the sensor to be interrogated and press the Connect to Sensor button K Once connected the LIVE data will be displayed in the window in the units selected These are a...
Page 37: ...bus cable Each sensor has a unique identification or address The interrogat ing logger or readout requests a reading from a particular address The value returned from the processor is a value in sin 1...
Page 38: ...le Y 0 08716 Sin 1 0 17365 Sin 1 Y 5 000 10 000 5 000 Sine of angle to mm m Y Base reading Sin 1 Current reading Sin 1 Example Y 0 08716 Sin 1 0 17365 Sin 1 Y 5 000 10 000 5 000 Sin 5 000 0 08715 0 08...
Page 39: ...39 V1 0 September 2017 6 3 Calibration certificate...
Page 40: ...cessary depending upon the range of the change Thermal influences on an IPI readings can be complex The effect of temperature changes on the MEMS are insignificant but this relates purely to the senso...
Page 41: ...g assistance from the Digital Interface manual Typically any failure or error in communication is due to the RS485 sensor being read and not the RS485 RS232 USB interface However the interface can be...
Page 42: ...reen a value in M s is acceptable None of the individual conductors should be shorted to the screen or drain wire showing Zero resistance and none should be shorted together showing Zero re sistance A...
Page 43: ...tput unit Sine of angle Sensor type MEMS PHYSICAL Probe diameter 32mm Probe gauge length 500mm Probe weight 1 3kg Compatible casing sizes 70 to 85mm Extension rods 0 5 1 0 1 5 2 0 2 5m x 25mm Enclosur...
Page 44: ...pair being carried out A set charge for inspecting the equipment and providing an estimate is also chargeable 11 1 2 Warranty Claim See Limited Warranty Conditions This covers defects which arise as a...
Page 45: ...determined to be defective upon inspection at the factory Shipment of defective part or parts to the factory shall be at the expense of the Purchaser Return shipment of repaired replaced part or part...
Page 46: ...46 V1 0 September 2017...
