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MEMS Tilt Beam Instruction Manual 

RST Instruments 

 

2  MATERIALS 

2.1  R

EQUIRED 

T

OOLS

/C

OMPONENTS

 

Before beginning the installation of the Horizontal or Vertical MEMS Tilt Beam, 
ensure that all of the components and tools required for installation are present. See 
the list below for tools and equipment required for a typical installation: 

 

 MEMS Tilt Beam(s) 

 (1) Readout (IC6800-V,  or FlexDaq 1000/800 Datalogger) 

 (1) Level 

 (1) Phillips screw driver 

 (1) Anchor kit (consisting of (2) 10mm SS anchors, (4) belleville washers, (4) nylon 

washers, (2) nylon bushing, (4) 10mm SS nuts  

 (2) 16mm wrench 

 
 

3  INSTALLATION 

Determine the MEMS Tilt Beam installation location. The location must allow for 
access inside the beam to connect the sensors after the unit has been mounted. The 
mounting angles should be securely attached with the supplied hardware to a rigid 
structure that is free of vibration. Care should be taken to avoid areas of rapid or 
extreme changes in temperature such as direct sunlight or near heating or cooling 
equipment. For exposed units, a sun shade and or external insulation is 
recommended.  

 

The output of the MEMS sensor(s) is in Volts, which can be read with an RST IC6800-
V Readout or a FlexDaq 1000/800 Datalogger.  The MEMS sensors have excellent 
zero and full scale stability. As a result, precision sensor zeroing is not necessary. 
This is in contrast to electrolytic sensors which have high coefficients of thermal 
sensitivity, necessitating precise leveling on the structure. 

 

3.1  A

NCHOR 

I

NSTALLATION

 

It is important to install the anchors at a distance equal to the MEMS Tilt Beam 
mounting angles pattern (using a level, ensure the anchors are installed inline 
horizontally or vertically) (see figure 3). 

 

The anchors should: 

1.  Protruding horizontally, in all planes, from the structure (not necessarily 

perpendicular to the structure) 

Содержание MEMS Tilt Beam

Страница 1: ...Instruction Manual Copyright 2012 RST Instruments Ltd All Rights Reserved RST Instruments Ltd 11545 Kingston St Maple Ridge B C Canada V2X 0Z5 Tel 604 540 1100 Fax 604 540 1005 Email info rstinstruments com Website www rstinstruments com ...

Страница 2: ...e been made to ensure the accuracy and completeness of the information contained in this document RST Instruments Inc reserves the right to change the information at any time and assumes no liability for its accuracy Product MEMS Tilt Beam Instruction Manual Document number ICM0065B Revision B Date May 10 2010 ...

Страница 3: ...YZING THE DATA 9 5 SPECIFICATIONS 12 5 1 ENVIRONMENTAL 12 5 2 ELECTRICAL 12 LIST OF FIGURES Figure 1 MEMS Tilt Beam 1 Figure 2 MEMS Tilt Beam Details 1 Figure 3 Horizontal Vertical Tilt Beam Concrete Anchor Orientation 3 Figure 4 MEMSTilt Beam Meter General Arrangement 4 Figure 5 Single Beam Mounting Details 5 Figure 6 Multiple Beam Configurations 7 Figure 7 Electrical Connections 8 Figure 8 Tilt ...

Страница 4: ... Beam is capable of uniaxial as well as biaxial MEMS sensors optional Because of the excellent zero and range stability no separate sensor leveling is required i e the enclosure should be mounted as close to level as possible but no secondary level adjustment is required Figure 1 MEMS Tilt Beam COVER PLATE SCREWS MEMS TILT BEAM SERIAL LABEL PIVOT REFERENCE LEFT MOST ANCHOR CABLE INPUT JACKET STRIP...

Страница 5: ...hardware to a rigid structure that is free of vibration Care should be taken to avoid areas of rapid or extreme changes in temperature such as direct sunlight or near heating or cooling equipment For exposed units a sun shade and or external insulation is recommended The output of the MEMS sensor s is in Volts which can be read with an RST IC6800 V Readout or a FlexDaq 1000 800 Datalogger The MEMS...

Страница 6: ...oth anchors 3 Allow anchors to set FRONT VIEW 10mm CONCRETE ANCHOR HOLES TILT BEAM LENGTH REQURED SPAN ACCORDING TO TOP VIEW 10mm CONCRETE ANCHOR SIDE VIEW FRONT VIEW 10mm CONCRETE ANCHOR HOLES TILT BEAM LENGTH REQURED SPAN ACCORDING TO SIDE VIEW Figure 3 Horizontal Vertical Tilt Beam Concrete Anchor Orientation ...

Страница 7: ...MEMS Tilt Beam Instruction Manual RST Instruments 4 Figure 4 MEMSTilt Beam Meter General Arrangement ...

Страница 8: ... the MEMS Tilt Beam onto the Nylon Bushings 6 Place a Nylon Washer over each anchor 7 Place a Belleville washer over each anchor see Figure 5 8 Thread a 10mm nut onto each anchor finger tight and ensure that the Beam is horizontal or vertical 9 For a single beam installation where 2 Belleville washers are used per anchor turn the nut 2 3 wrench flats 120 180 see Figure 5 10 For a double beam insta...

Страница 9: ...e MEMS Tilt Beam onto the Nylon Bushings 6 Place a Nylon Washer over the 1st and 2nd anchors 7 Place a Belleville washer over the 1st and 2nd anchors see Figure 5 or 6 8 Thread a 10mm nut onto the 1st anchor finger tight and ensure that the Beam is horizontal or vertical 9 Tighten the nut 2 3 wrench flats 120 180 10 Thread a 10mm nut onto the 3rd anchor position nut so that the next beam when inst...

Страница 10: ...s shown in Figure 6 MOUNTING BRACKET SCALE 1 2 DETAIL A 10mm NUT 10mm NYLON WASHER MOUNTING BRACKET 10mm NYLON WASHER 10mm BELLEVILLE WASHER 10mm NUT 10mm CONCRETE ANCHOR 10mm BELLEVILLE WASHER 10mm BELLEVILLE WASHER 10mm NYLON WASHER 10mm NYLON WASHER MEMS TILT BEAM MEMS TILT BEAM 10mm BELLEVILLE WASHER A Figure 6 Multiple Beam Configurations ...

Страница 11: ...nd Vertical Tilt Beam system measure the A axis Green White Vertical Tile Beam system is capable of measuring the B axis optional Orange Blue Information regarding your sensor configuration and cable type is listed below and on your Calibration Certificate Figure 7 Electrical Connections Tiltmeter Wire Color Terminal Datalogger 12V Red 1 12V Gnd Black 2 Gnd A Green 3 xH A White 4 xL B Orange 5 yH ...

Страница 12: ...n Constant The sensing principle of the MEMS Tilt Beam is that of an accelerometer with the sensitive axis is oriented horizontally The measured phenomenon is then the component of gravity transverse to the sensitive axis i e a g sine Commonly MEMS Tilt Beam data are interpreted as linear motion i e rotation about a presumed radius gives an equivalent motion In many cases where the ultimate variab...

Страница 13: ...Interpretation In cases where the actual angle is sought the arcsine function or a polynomial equivalent may be used arcsine a g It should be noted that measuring dynamic tilt may be a concept error the lateral dynamic accelerations may exceed the tilt accelerations x r a g ...

Страница 14: ...MEMS Tilt Beam Instruction Manual RST Instruments 11 Figure 9 MEMS Tiltbeam Directional Reading ...

Страница 15: ... 1 ENVIRONMENTAL Operating temperature 40 C to 80 C 5 2 ELECTRICAL Sensor 0ne Two MEMS Tilt Sensor s Range 15 Degree Standard Resolution 0 0013 Degree Null Repeatability 0 004 Degree Signal Cable 22 Gauge Shielded Twisted Datalogger Analog Readout FlexDaq 1000 800 IC6800 V ...

Страница 16: ...MEMS Tilt Beam Instruction Manual RST Instruments 13 Figure 10 Calibration Certificate ...

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