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Geosense MEMS DPI I, Instruction Manual

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Geosense MEMS DPI I Instruction Manual Download Page 37

V1.1 

MEMS Digital Portable Horizontal Inclinometer 

09/02/2022 

36 

 

30) 

Once you reach the top/access end with the probe, the survey needs to be 
repeated, with the probe rotated 180 degrees around the Z-Axis. 
 

 
 

 

 

 

First Survey  

Orientation – 1 ring end connected to reel 

Second Survey  

Orientation – 2 ring end connected to reel 

Figure 24: Probe rotated around Z-axis 180 degrees between 
surveys.

 

Summary of Contents for MEMS DPI I

Page 1: ...MEMS Digital Portable Horizontal Inclinometer I N S T R U C T I O N M A N U A L...

Page 2: ...oth ends are accessible 14 ii Installation where single end is accessible 14 7 OPERATION 16 7 1 SYSTEM COMPONENTS 16 7 2 SYSTEM COMPONENT DESCRIPTIONS 17 7 3 BATTERY CHARGING 19 7 4 INSTALLING THE INC...

Page 3: ...12 2 ASD READOUT 61 12 3 REEL AND CABLE 62 SPECIFICATIONS 63 13 SPARE PARTS 65 14 RETURN OF GOODS 66 14 1 RETURNS PROCEDURE 66 iii Chargeable Service or Repairs 66 iv Warranty Claim 66 14 2 PACKAGING...

Page 4: ...ION This manual is intended for all users of the Horizontal Portable Inclinometer Systems manufactured by Geosense and provides information on their operating principles conventions operation and main...

Page 5: ...d with the user in mind The Geosense Inclinometer sensors are based upon Micro Electro Mechanical Systems technology MEMS The MEMS accelerometer sensors in the Inclinometer Probe are configured to mea...

Page 6: ...ter surface The inclinometer casing is designed to move with the structure formation into which or onto which it is fixed if the structure changes The Portable Inclinometer System is used to detect an...

Page 7: ...e sketch The probe is attached to a highly robust and flexible support signal cable that is in turn connected to a portable cable reel The cable reel includes a Bluetooth communication module and a re...

Page 8: ...record them instruct the user to move to the next reading elevation and sense when this has been carried out Essentially the user has only to respond to a series of audible prompts thereby almost remo...

Page 9: ...Compatibility Directive 2014 30 EU Radio Equipment Directive 2014 53 EU Restriction on the use of certain Hazardous Substances RoHS2 2017 2102 EU Equipment description MEMS Digital Portable Inclined...

Page 10: ...ng Statutory Instruments Electrical Equipment Safety Regulations 2016 Electromagnetic Compatibility Regulations 2016 Radio Equipment Regulations 2017 Restriction on the use of certain Hazardous Substa...

Page 11: ...llowing information and each component carries a unique identification serial number that is included on the labels Product group MEMS Inclinometer system Product type MEMS Inclinometer system Model H...

Page 12: ...nd installation Once the shipment has been inspected see 5 3 it is recommended that equipment remains in its original packaging for storage or onward transportation 5 3 Inspection Functionality Check...

Page 13: ...be used to measure the profile of the casing in relation to a presumed fixed point If the system is being used to measure construction related movements in the heave or settlement process it is good p...

Page 14: ...ontal Inclinometer installation MUST always be outside of the Zone of Influence for the expected heave or settlement event Without a fixed end it would not be known in which way either end of the prof...

Page 15: ...m one end to the other to allow a second person to pull from the opposite end ii Installation where single end is accessible Figure 5 Inclinometer casing installation where only one end is accessible...

Page 16: ...t accessible Geosense are able to supply a dead end pully which allows for the rope to be looped back and to the operator Figure 6 Dead end pulley pipe fittings may vary dependent on casing used Figur...

Page 17: ...o installations will be the same and it is inevitable that some fine tuning of the following procedures will be required to suit specific site conditions 7 1 System Components The Geosense Horizontal...

Page 18: ...h the sensors and electronics are housed Two pairs of wheelsets provide stability and maintain alignment Each wheelset consists of one wheel which is fixed and the other is sprung to provide a tight f...

Page 19: ...PORTS For fitting into the top of all Geosense Inclinometer casing and the casing from most other manufactures these are used to position the probe at a repeatable location within the casing 6 CAPS Pr...

Page 20: ...1 Remove the ASD USB cable and charger from the hard case Connect to the Micro USB connector to the ASD and the Standard USB plug to the charger 2 The charger is supplied with various mains plug adapt...

Page 21: ...ap from the reel connector and fit the charger lead to the reel Figure 12 Charge Port Inclinometer Reel 6 Connect the charger to a mains electrical supply switch it on and allow the readout to charge...

Page 22: ...account 2 Once logged in search Google Play for the Geosense Inclinometer Application named IncloPRO I Tap on the icon to open the App details II Tap Install III Tap Accept download after reviewing th...

Page 23: ...nts of the Inclinometer Readout System are contained within the hard carry case Only the cable reel and its charger are housed within the soft case 5 Remove the probe from the hard case and remove the...

Page 24: ...ure step Taking note of the machined mating D alignment in the plug and socket and the alignment markers carefully connect the cable to the probe Place the probe in a position where it can t fall or b...

Page 25: ...Portable Horizontal Inclinometer 09 02 2022 24 8 Remove the Android ASD from the hard case and turn it on For detailed ASD specific instructions see Section 9 later in this manual Machined mating guid...

Page 26: ...By default it is set to turn on but if it is not go to the ASD settings and turn it on 11 Open the Geosense Inclinometer Application IncloPRO For detailed App operating instructions see Section 9 Tap...

Page 27: ...ration Figure 15 Paired Reels Screen 13 Tap the Connect icon to check the Bluetooth connection When connected the connection is confirmed by displaying the Reel battery condition and the Reel temperat...

Page 28: ...r If you are about to conduct a survey leave the reel connected for now 15 It is good practice to make sure the connection to the probe is good and the readings are relatively stable before the probe...

Page 29: ...ope from an installation as it may be very difficult or impossible to replace it Identify both ends of the pull rope that in installed within the inclinometer casing You will need a length of slack at...

Page 30: ...make sure the loose end of the rope does not enter the installation If you lose the end of the rope it may be difficult or impossible to recover 17 Identify the Primary axis keyways in the tube somet...

Page 31: ...V1 1 MEMS Digital Portable Horizontal Inclinometer 09 02 2022 30 18 Release the brake screw on the side of the Cable Reel...

Page 32: ...D and cannot fowl or become detached Loss of this attachment may render the installation INOPERABLE Do not leave a long tail on the knot as this can fowl probe 20 The dead end pulley assembly of the i...

Page 33: ...n the vertical keyways The fixed wheels must run at the base with the sprung wheels gently slotted into the start of the access casing by hand Single end access Double end access Figure 19 Tension app...

Page 34: ...ith tension applied to the tension end of the rope insert the Inclinometer probe into the casing with the wheels engaged into the keyways The sprung wheels will always be at the top with the fixed set...

Page 35: ...om the same position i e the depth marker of the cable must always be the same for an install at the start of a survey Tension must be kept on the inclinometer reel Do not allow either the pull rope o...

Page 36: ...The software will not allow a reading to be taken if the probe is not stable If this occurs slightly reduce the tension on the rope being mindful that there may be slight movement in the probe if the...

Page 37: ...op access end with the probe the survey needs to be repeated with the probe rotated 180 degrees around the Z Axis First Survey Orientation 1 ring end connected to reel Second Survey Orientation 2 ring...

Page 38: ...methodology may include steps already taken in the previous section If these have been completed already please skip to the following step 1 Open the IncloPRO Android application If not done so alread...

Page 39: ...e project that the Inclinometer survey is to be conducted on i Press the symbol to the right and below the Site List and add the name of your site or project ii Press the symbol to the right and below...

Page 40: ...tance from the access top of the installation in metres that the first reading will be taken from Interval The survey interval this will depend on the probe length Graphing Options The presumed fixed...

Page 41: ...V1 1 MEMS Digital Portable Horizontal Inclinometer 09 02 2022 40 4 When you are ready to begin the survey select the TAKE READINGS button Figure 27 Take readings...

Page 42: ...al Portable Horizontal Inclinometer 09 02 2022 41 5 With the probe inserted to the far end of the casing and at the first depth to be recorded wait for the probe temperature to stabilise Figure 28 Pro...

Page 43: ...Digital Portable Horizontal Inclinometer 09 02 2022 42 6 Once the probe has stabilised you will be notified and the survey can begin by pressing Begin Survey Figure 29 Begin survey once the probe has...

Page 44: ...furthest point from the access end as set in the borehole information in the app Make sure that the depth marked on the cable matches the depth shown in the app for each reading The probe will detect...

Page 45: ...once the app signifies it is safe to do so AUTO ACCEPT MODE can be entered by pressing the button on screen 3 When in AUTO ACCEPT MODE the probe will detect when it has been moved to the next increme...

Page 46: ...be activated but AUTO ACCEPT MODE must be cancelled first 6 Use the QUICK DATA CHECK button to view the readings stored in memory so far at any point in the survey perhaps to check the current positio...

Page 47: ...position by using the UP DOWN buttons 9 2 Viewing Data All completed surveys can be accessed from the VIEW DATA screen located within the Borehole selection screen All completed surveys for a selecte...

Page 48: ...enu to speed up this process Checksum A B Axis Graph On screen graph showing checksum for each axis Absolute One Face Graph Only available for one face surveys Absolute Position A B Axis Graph On scre...

Page 49: ...Base Data file Therefore IncloPRO can use one two or three sets of data to form the Base Data file to which subsequent readings are compared The App averages the readings at each depth so it is impor...

Page 50: ...ct data set s for use as the Base Data 1 tap the SET BASE SURVEYS at the top of the Surveys list 2 Select the suitable files and tap OK This selection is stored on the ASD Android Smart Device so that...

Page 51: ...or sent An email client must be configured on the phone to send the data via email A default email address can be entered into the settings menu to speed up this process First select the files to be t...

Page 52: ...based data handling via their Site Master Inclinometer Data Presentation Software package Data exported from the ASD can be simply and easily imported into Site Master for clear and effective computa...

Page 53: ...stages and automatically populated when the data is exported The Longitude and Latitude would be generated in the App on the ASD by an active GPS facility Table 3 Manually entered borehole information...

Page 54: ...f Angle of probe inclination for A B_POSITIVE_SINX Sine of Angle of probe inclination for B A_POSITIVE_MM Probe inclination in mm for A mm per probe length B_NEGATIVE_SINX Sine of Angle of probe incli...

Page 55: ...E F I and J Therefore the only visible columns will be the Header Data and column ID together with Depth and readings for A B A and B The 0 5m reading for the A direction should be in cell E13 Since i...

Page 56: ...A Reading A 2 Mean B Reading B Reading B 2 Checksum The checksums are a measure of the integrity of the data set They compare the and values at each depth and compute the difference The difference rep...

Page 57: ...ntal Displacement at any depth is calculated using the following equation where 0 5 is the selected depth Inc Disp 0 5m MDev 0 5 MDev Base 0 5 Cumulative Displacement These values are probably the mos...

Page 58: ...ss tube in a borehole or other subsurface structure there is usually little variation in temperature over the length of borehole so thermal effects will be small and corrections will not be necessary...

Page 59: ...However the wheel carriage spindles should be occasionally lubricated with a light machine oil to maintain free movement and reduce wear The cable connector includes a double O ring sealing system The...

Page 60: ...rmal calibration periods are specified at 12 month intervals for probes under light use For probes under heavy use or that are transported frequently it may be advisable to increase the frequency of c...

Page 61: ...e of dirt lack of lubrication Clean with fresh water and dry then lubricate with light machine oil If problem persists replace wheel sets Wheels do not turn freely Presence of dirt lack of lubrication...

Page 62: ...oPRO app to initiate the Bluetooth connection NOT the phone Bluetooth options Interference from other paired Bluetooth devices Restart reel and ASD and power off other Bluetooth items such as speakers...

Page 63: ...ed to the base of the hole or incurred any shocks if the wheel sets are replaced the probe should recalibrated 12 3 Reel and Cable Table 8 Reel and Cable Troubleshooting Fault Possible Cause Remedy Re...

Page 64: ...Jacket Polyurethane Depth markers Every 500mm Lengths 30 50 75 100 150m other available on request Connector Piston face seal with robust stainless steel alignment keyway 30 bar rated CABLE REEL CARRY...

Page 65: ...02 11 b g n 2 4 5GHz USB micro USB 2 0 USB OTG SIM Type Nano SIM dual and single SIM variants GPS GLONASS GPS aGPS Beidou variant dependent PROCESSOR Processor Type MTK P20 MT6757 Octacore 2 3GHz Plat...

Page 66: ...er Systems However the following items are available It is strongly recommended that replacement service components be fitted by Geosense or their qualified representatives 1 Wheel and Carriage sets i...

Page 67: ...e by the customer as are all inspection charges until a time as a warranty claim has been accepted at which point inspection charges will be credited iii Chargeable Service or Repairs Inspection Estim...

Page 68: ...low Geosense to select the correct type and range of MEMS Digital Inclinometer and other component parts The MEMS Digital Portable Inclinometer equipment shall be installed in accordance with the manu...

Page 69: ...tal Portable Horizontal Inclinometer 09 02 2022 68 The Purchaser assumes all risks and liability whatsoever in connection with the MEMS Digital Portable Inclinometer equipment from the time of deliver...

Page 70: ...er 09 02 2022 69 Nova House Rougham Industrial Estate Rougham Bury St Edmunds Suffolk IP30 9ND England Tel 44 0 1359 270457 Fax 44 0 1359 272860 email info geosense co uk www geosense co uk Support su...

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