Guralp-systems CMG-5T Compact Manual do Utilizador

CMG-5T CompactCompact Triaxial AccelerometerOperator's guidePart No. MAN-050-0004Designed and manufactured byGüralp Systems Limited3 Midas House,

CMG-5T Compact3. Adjust the vertical screw until the output voltage reads zero.4. Repeat steps 2 and 3 for the N/S and E/W channels, (with the meter

Operator's GuideThe current offset values will display. Once the process has completed the Scream! status window will display (in green):CENTERIN

CMG-5T Compact• To monitor the high-gain outputs, switch the dial to V, N/S or E/W HIGH VEL.• The V, N/S or E/W MASS POS settings are not applicable t

Operator's Guide3 CalibrationThe 5T Compact is supplied with a comprehensive calibration document and it should not normally be nece

CMG-5T Compactsignal into the sensor. This can be either a sine wave, a step function or broad-band noise, depending on your requirements. As well a

Operator's GuideCalibration Line for all three components. Other choices will not have a useful effect.3. Make any other choices you require a

CMG-5T CompactNote that if you have used the Scale... option described above, you will need to take the scale factor into account to produce the corre

Operator's Guidecalibration by tilting the sensor by 90° and varying the calibration signal until it precisely compensates for

CMG-5T Compactsignal received from the instrument by a recording system with a differential input will be twice the tr

Operator's Guide3.4.3 Obtaining copies of the calibration packWe keep a copy of all calibration data that we send out. In the event that the cal

CMG-5T CompactTable of Contents1 Introduction...

CMG-5T Compact4 Inside the 5T CompactThe 5T Compact unit is constructed of hard-anodised aluminium with “O” rings throughout, ensuring a completely w

Operator's Guidesensitive detector. The accelerometer feedback loop is completed with a phase compensator and a feedback force trans

CMG-5T CompactThe normalising constant A is calculated at a normalising frequency value fm = 1 Hz, with s = j fm, where j = √–1. • H(s)

Operator's GuideFor distances up to 10 m, you can connect the sensor outputs using balanced screened twin lines terminated with a

CMG-5T Compact5 Connector pinoutThe connector is a standard 26-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A

Operator's GuideWiring details for the compatible socket, ***-16-26S, as seen from the cable end.May 2011 25

CMG-5T Compact6 SpecificationsOutputs and responseLow gain output options 4g, 2g, 1g, 0.5g, 0.1gCorresponding high gain outputs0.4g, 0.2g, 0.1g, 0.05

Operator's Guide7 Revision history2011-02-15 E Revised Offset removal section, updated connector pin out section.2009-11-24 D Updated block

Operator's Guide1 IntroductionThe CMG-5T Compact is a three-axis, strong-motion, force-feedback accelerometer in a sealed

CMG-5T Compactsingle-ended output for 1 g (≈ 9.81 m/s2) input acceleration. The standard frequency pass band is flat to accelerati

Operator's Guide2 Installation2.1 Unpacking and packingThe CMG-5T Compact accelerometer is delivered in a single cardboard box with foam rubbe

CMG-5T Compactwhich is also provided on the calibration sheet.2.2 Initial testingTo test the 5T Compact before installation, you will need a power so

Operator's Guide2.3 Installing the sensorYou will need a hard, clean surface such as a concrete floor, to install the 5T Compact. If you are i

CMG-5T Compactinsulation slabs) with the joints between them sealed. A hole should be drilled for the connector. You can then

Operator's Guideinstrument makes it suitable for use in hazardous environments where electrical discharges due to the build up of static charge c