Manual - SISGEO North America
Contents
1. Threaded bars for the anchor Tiltmeter_EN_02_14 Page 6 of 15 Tilt meters Preliminary Before the installation check the instrument connecting it to a readout see Taking checks measurements Verify the correspondence of the signal according to the following drawings Letters A and B refers to channels sensors Mono and biaxial tilt meters A B Oma ame gore NY om Waterproof clinometer B im LN 4mA N A ZN 20mA 20mA SISGEO S r l Tiltmeter_EN_02_14 Page 7 of 15 Tilt meters Mono axial tilt meters A A A Tilt meter plate to be fixed A ama PNO L tilt meter plate Useful tools not supplied depending on the model e SW3 and SW5 allen key e Spanner n 13 n 10 e Drill drill bit 6mm 10mm 12mm 14mm SISGEO S r l Tiltmeter_EN_02_14 Page 8 of 15 Tilt meters Installation Sisgeo has a wide range of plates and supports The following are the general installation phases Mark holes position according to the expected movement The holes must be drilled in whole material with suitable drill and drill bit Clean the hole Fix the tilt meter or the plate If needed cement the threaded bars Adjust the tilt meter in order to obtain a value close to the zero value on the Calibration Certificate using a level or a readout e Tighten the screws to block For each model we recommend e Handle with care e Protect the tilt meter from direct sunbeam2. as the displacement in mm between the threaded bar fixing points mm Sina x P P distance between fixng points nominal 1000mm 2000mm 3000mm Temperature reading SISGEO readout displays the temperature directly in C If the thermistor resistance value is taken please use the conversion formula in Appendix 1 SISGEO S r l Tiltmeter_EN_0O2_14 Page 13 of 15 Troubleshooting Maintenance SISGEO S r l Tilt meters Current loop signal tilt meters Problem Possible cause Unstable Tilt meter is not fixed Fix the tilt meter measure Incorrect wiring Make proper wiring OmA measure Cable cut or ee Repair the cable Seadmed Tbe splicing kit available at SISGEO Over range Tilt meter out of range Bring back the tilt meter measure within its measuring range Voltage signal clinometer rein Possible cause en Tilt meter is not fixed Fix the tilt meter measure Cable cut or inane Repair the cable eee ee abe splicing kit available at SISGEO Tilt meter out of range Bring back the tilt meter measure within its measuring range Incorrect wiring Make proper wiring OV measure After sales assistance for calibrations maintenance and repairs is performed by SISGEO service department The authorization of shipment shall be activated by RMA Return Manufacturer Authorization Please create your account and then fill in the RMA module clicking on http www sisgeo com repairs html Send back the
3. instrument equipment with the complete accessories using suitable packaging or even better the original ones The shipping costs shall be covered by the sender Please return to the following address with suitable delivery document SISGEO S r l Via F Serpero 4 F1 20060 MASATE MI On the delivery document is mandatory to indicate the RMA code received Technical assistance e mail assistance sisgeo com Tiltmeter_EN_02_14 Page 14 of 15 Tilt meters Appendix 1 THERMISTOR TEMPERATURE CONVERSION Resistance to temperature equation 30732 me B LnR C LnR Where T temperature in C LnR natural Log of the thermistor resistance A 1 4051x10 coefficents calculated over the 50 to 70 C span B 2 369x10 C 1 019x10 SISGEO S r l Tiltmeter_EN_02_14 Page 15 of 15
4. llowing formulas allow to convert the electric measurements into engineer alues processing ui Linear factor Ling Lere S sina Polynomial factor Ling Leie X A Leie x B Leie x C D sina Ling engineering reading Lee electric reading S sensitivity factor A B C D polynomial conversion factors S A B C D are stated on calibration report SISGEO S r l Tiltmeter_EN_02_14 Page 12 of 15 Tilt meters Exercise readings refer to the initial reading zero reading AT fina Li Lo Lo zero reading Li exercise reading Zero reading shall be taken carefully once the installation is performed and the instrument is in operating conditions Example Mono axial clinometer measuring range 10 mA readings S 46 29078 mA sina A 1 483E 06 B 5 232E 05 C 2 108E 02 D 2 789E 01 Lo 12 965mA L 17 006MA Using Linear factor Li Lo S 17 006 12 965 46 29078 0 0873 sina Polynomial factor Li x A Li2x B Ly x C D bLo x A Lo x B Lo x C D 0 08742 0 0000352 0 08746 sina The result value is the inclination variation or tilt in the clinometer installation point The tilt azimuthal direction of the biaxial tiltmeters can be found comparing the following drawing and table A sina sin gt o gt o 180 8 gt 0 lt 0 360 6 As far as the mono axial tilt beams are concerned it can be useful to consider the result
5. pid N y ya SISGI gt gt TILT METERS User Manual Tilt meters INDEX Introduction Pag 4 Description Pag 5 Preliminary checks Pag 6 Installation Pag 8 Taking measurements Pag 11 Data management Pag 11 Troubleshooting Pag 13 Maintenance Pag 13 Appendix Pag 14 Information contained herein are property of SISGEO S r l This document is subject to change without notification and is subject to be returned upon request No part of this User s Manual may be reproduced in any form without SISGEO s S r l written permission SISGEO S r l Tiltmeter_EN_02_ 14 Page 2 of 15 Notes on the use of product Symbols Identification SISGEO S r l Tilt meters For a safe and efficient use of the instrument please read carefully the following instructions before starting any operation Any use of the instrument other then the one described in this manual shall be considered at user s full responsibility The same applies for any unauthorized modifications In addition to the hereby listed standards the user must comply with the provisions of the current legislation on the matter of personal safety and health of persons in the workplace SISGEO is not responsible for any trouble breakdowns accidents etc due to the lack of knowledge and or confidence or non compliance with with the requirements contained in this manual Check that the instrument has not been damaged during the transpor
6. s e Protect the cables end from water e Protect the cable from damage Following are the most common types hole 12mm hole 8mm horizontal adjustement slotted hole horizontal adjustement slotted hole hole 14mm For horizontal movement spanner n 13 For vertical movement allen key n 6 SISGEO S r l Tiltmeter_EN_02_14 Page 9 of 15 SISGEO S r l Tilt meters Existing hole Drill the second hole 6mm according to application Spanner n 10 hole 12mm M6 nut Positioning examples a 12mm Tiltmeter_EN_02_14 Page 10 of 15 Tilt meters hole 8mm minimum Tilt beam with L bracket detail Tilt beams junction example Threaded bar Hollow e AN AN Teflon washer 2 SISGEO S r l Tiltmeter_EN_02_14 Page 11 of 15 Tilt meters Taking Manual measurements are carried out connecting the cable wires to the readout measurements according to the following scheme Red Loop Mono axial sensor Current loop signal 4 20 mA Red __ Loop A Biaxial sensor Current loop signal 4 20 mA Red Vdc Servo accelerometer sensors Blue Out B Green if biaxial GND measure Red Vdc Note to obtain reliable measures with mA instruments we recommend a warm up time not less than 5 10 seconds For automatic measure connect the instrument to a Data Acquisition System i e SISGEO OMNIAIlog Data The fo
7. t Verify that the package includes all items as well as any requested optional accessories if anything is missing please promptly contact the manufacturer The user must strictly follow all the operations described in this manual Maintenance or repair of the instrument is allowed only to authorized operators These operators must be physically and intellectually suitable For information about instrument or order spare parts request please always specify data written on the identification label When replacing parts always use ORIGINAL SPARE PARTS The manufacturer reserves the right to make changes without prior notice for any technical or commercial requests We ll try anyway to keep the manuals updated in order to reflect product s revisions updates This symbol will be used used to catch reader s attention on the manual Pay special attention to the following instruction Instruments can be identified From a production lot number written on the Compliance Certificate From a serial number s n engraved indelibly on the instrument From a label on the instrument From a label on the cable Tiltmeter_EN_02_14 Page 3 of 15 Introduction SISGEO S r l Tilt meters Tilt meters and tilt beams are used to measure structures inclination changes They are employed on several structures towers bell towers monuments decks bridges and viaducts masts superficial foundations retaining walls cls dams Moreo
8. ver they can be used to measure blocks or unstable rocky terrain tilt The sensor could be servo accelerometer or with MEMS technology both can be mono or biaxial Biaxial sensor measures the inclination on 2 perpendicular planes Tilt beams can be connected to form a chain so they can monitor outline variations Different support plates are available for every need Tiltmeter_EN_02_14 Page 4 of 15 Description SISGEO S r l Tilt meters The tilt meter consists in 1 2 3 4 5 A box with an internal sensor and a circuit board In some models there is also the temperature sensor A double adjustable support plate Positioning screws Fixing screws and plugs Electric cable for the connection to the readout 0 MEMS tilt meter Servo acelerometer tilt meter Tiltmeter_EN_O2_14 Page 5 of 15 SISGEO S r l Tilt meters Waterproof clinometer IP68 1 0MPa consists in 1 a cylindrical body with an internal sensor and electronic board some models includes a thermistor 2 3 4 s a double adjustable support plate screws for a precise positioning screws and plugs for the fixing electric cable for the readout connection The tilt beam consists in ee a ae An aluminium bar 1 2 3 meters long A box with the sensor the electronic board and temperature sensor Cable for the connection to datalogger A level for the positioning An optical target Fixing plates
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