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GMW BARTINGTON MAG-03, Руководство по эксплуатации

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OM1004  ISSUE 20  PAGE 26 OF 30

Figure 11 

Mag

-03MC CABLE DR0748(2)

Figure 12 

Mag

-03MCES CABLE DR0756(2)

Содержание BARTINGTON MAG-03

Страница 1: ... THREE AXIS MAGNETIC FIELD SENSORS OPERATION MANUAL Distributed by GMW Associates 955 Industrial Road San Carlos CA 94070 Tel 650 802 8292 Fax 650 802 8298 Email sales gmw com Web Site http www gmw com Manufactured by Bartington Instruments Ltd 10 Thorney Leys Business Park Witney Oxford OX8 7GE England Tel 011 44 1993 706565 Fax 011 44 1993 774813 Email sales bartington com Web Site http www bart...

Страница 2: ...ves the right to change any part of the design of these products without prior notice These products are not qualified for use in explosive atmospheres or life support systems Consult Bartington Instruments for advice The copyright of this document is the property of Bartington Instruments Ltd The document is supplied on the condition that it is to be treated commercially confidential and it may n...

Страница 3: ...SITION MODULE 4 3 Mag 03SCU SIGNAL CONDITIONING UNIT 4 4 Mag 03MC CU CALIBRATION UNIT 4 5 Mag 03MS CU CALIBRATION UNIT 4 6 CABLES 4 7 Mag 03MC BR MOUNTING BRACKET 4 8 MATING CONNECTORS 5 MOUNTING 5 1 Mag 03MC Mag 03IE 5 2 Mag 03MS 5 3 Mag 03MSS 5 4 OTHER TYPES 6 OPERATION 6 1 CONNECTOR PIN ALLOCATION 6 2 INTERFACE 6 3 POWER SUPPLIES 6 4 SIGNAL POWER GROUND 6 5 CABLING 6 6 CONNECTING POWER 6 7 RESP...

Страница 4: ...ARE AND MAINTENANCE 10 MAGNETIC UNITS AND MEASUREMENTS 10 1 CONVENTIONS 10 2 MEASUREMENT UNITS 10 3 CONVERSION TABLE 10 4 VECTOR MEASUREMENTS 11 TECHNICAL SPECIFICATIONS 11 1 SENSORS 11 2 CABLES 12 FIGURES 13 CALIBRATION CERTIFICATES ...

Страница 5: ...NG CONNECTOR FIGURE 7 Mag 03IE SENSOR OUTLINE WITH MATING CONNECTOR FIGURE 8 Mag 03IE VERSION2 SENSOR OUTLINE FIGURE 9 Mag 03MCTP SENSOR OUTLINE WITH MATING CONNECTOR FIGURE 10 Mag 03MCUP SENSOR OUTLINE FIGURE 11 Mag 03MC CABLE FIGURE 12 Mag 03MCES CABLE FIGURE 13 Mag 03MS CABLE FIGURE 14 Mag 03MSES CABLE FIGURE 15 Mag 03MSS CABLE FIGURE 16 Mag 03MC BR MOUNTING BRACKET FIGURE 17 Mag 03 INTERFACE S...

Страница 6: ...nt requirements the Mag 03SCU signal conditioning unit may be appropriate The sensors are available in a variety of enclosures as detailed below with five measuring ranges A low noise version can be supplied in all packages with a measuring range of 70μT or 100μT TYPE ENCLOSURE MEASURING RANGE μT ORTHOGONALITY ERROR 70 100 250 500 1000 0 1 0 5 Mag 03MC Cylindrical Mag 03MCES Cylindrical environmen...

Страница 7: ...range of 100μT the output voltage for each axis is 0 1V μT of the field in the direction of that axis The relationship between the magnetic field and the analog output is extremely linear and the frequency response is maximally flat from d c to 1kHz with a bandwidth of 3kHz The low output impedance of the sensor ensures it can be operated over long cables and permits it to be interfaced to low imp...

Страница 8: ...are section enclosure is designed for marine use and is submersible to depths of 100 metres The pressure housing is manufactured from polyacetal for minimum water absorption The connector is a seven way marine type and the mating connector is supplied moulded to a seven way polyurethane jacketed marine cable The cable is supplied to customer requirement up to a length of 600 metres 3 7 Mag 03IE Fi...

Страница 9: ...UISITION MODULE This is a 24 bit resolution low speed six channel data acquisition module which runs under software control from the user s PC Data from one or two triaxial sensors is stored to disk and may be imported to a suitable spreadsheet for plotting The module is mains or battery powered Full details of the Mag 03DAM are provided in the Mag 03 brochure DS0013 and in the operation manual OM...

Страница 10: ...ection to a power supply or data acquisition module is purchased The Mag 03MSS mating connector must be purchased separately 5 MOUNTING The method of mounting will depend on the application and the enclosure For details of the mounting arrangements refer to the relevant outline drawing The use of magnetic materials in the mounting arrangement must be avoided All mounting components should be check...

Страница 11: ...ven to them NO PROTECTION IS PROVIDED AGAINST REVERSED POLARITY SUPPLIES OR SHORT CIRCUITS BETWEEN THE ANALOG OUTPUTS AND THE SUPPLIES OTHER THAN THESE FUSES The analog outputs for the X Y and Z axes are buffered to give a low output impedance enabling the unit to be operated over long cables and interfaced to low impedance data acquisition systems 6 3 POWER SUPPLIES The Mag 03PSU Mag 03SCU and Ma...

Страница 12: ...arate from the power return line must be connected between the Mag 03 magnetic field sensor and any measurement or data acquisition system b If the signal ground line is to constitute a system ground point then a fully floating power supply must be employed e g a pair of batteries or a fully isolated power supply A number of commercially available dc to dc converters fulfil the voltage isolation r...

Страница 13: ...mage Apply the positive and negative supplies simultaneously and avoid leaving the sensor connected to one polarity only 6 7 RESPONSE The analog output V for any channel is proportional to the axial component b of the total field F If θ is the angle subtended between the direction of F and sensing axis of the fluxgate element then b F cosθ and V F cosθ 6 8 ELECTROMAGNETIC COMPATIBILITY The Mag 03 ...

Страница 14: ...ve rise to a few nT shift in offset measured at zero field 8 SIGNAL PROCESSING For different applications it may be necessary to process the signal from the sensor in different ways a In order to increase the sensitivity of the recording system it may be necessary to back off the earth s field and amplify only the changes in the field from the current value This requires a high pass filter which c...

Страница 15: ...tington Instruments for repair or re calibration For the diagnosis of faults within the unit special equipment is required including a zero gauss shielded chamber a calibrated test coil with traceable calibration and a c and d c calibrated constant current sources Much of this equipment is beyond the scope of normal service facilities Any field tests are therefore limited to those which can detect...

Страница 16: ...wn in the left hand column below SI CGS B Wbm 2 Weber per metre2 104 G Gauss or T Tesla H Am 1 Amperes per metre 4π x 10 3 Oe It will be seen that the term 4π occurs in the CGS units The SI units however are rationalised indirectly by incorporating this term in μo Thus in the SI system μo 4π x 10 7 Hm 1 Henries per metre Example For free space If H 80 Am 1 Then B 4π x 10 7 x 80 1 x 10 4 T Tesla is...

Страница 17: ...ere will be a small error in the result of the calculation of the total field due to the small error in the orthogonality between the sensing elements This will be particularly noticeable when the total field is computed from the values measured with several orientations of the sensor The sensor is extremely sensitive in the measurement of small variations in the total field provided that the orie...

Страница 18: ... reinforced epoxy reinforced epoxy Dimensions mm square section 32 x 32 x 152 length square section 32 x 32 x 166 length Mounting 2 x M5 fixing holes 3 x M4 clearance holes Connector ITT Cannon DEM 9P NMB Amphenol 62GB 12E10 7P Mating connector ITT Cannon DEM 9S NMB Amphenol 62GB 16J10 7S Operating temperature 40 C to 70 C 40 C to 70 C Weight 160g 160g Environmental none splashproof Mag 03IE Mag 0...

Страница 19: ...out 3 Z out 3 signal power ground C Z out 4 signal power ground 4 signal power ground D signal power ground 5 signal power ground 5 Z out E signal power ground 6 12V supply 6 X out F 12V supply 7 12V supply 7 NC G 12V supply 8 9 10 NC 8 Y out 9 NC For Mag 03IE Version 2 see Figure 8 Mag 03MCFL and Mag 03MCUP Colour Function Brown X out Red Y out Orange Z out Yellow signal power ground Green signal...

Страница 20: ...n low noise version 35mA 6mA 1 4mA per 100μT for each axis 26mA 6mA 1 4mA per 100μT for each axis Scaling dependent parameters Measuring range 70 100 250 500 1000 μT Scaling 143 100 40 20 10 mV μT Offset error 5 5 12 25 50 nT Scaling temperature coefficient 15 20 50 100 200 ppm o C Offset temperature coefficient 0 1 0 1 0 2 0 33 0 6 nT o C 11 2 CABLES Mag 03MC Mag 03MS Mag 03MCES Mag 03MSES and Ma...

Страница 21: ...Mag 03MS Mag 03MCES Mag 03MSES Mag 03MSS 1 6 A 1 X out 1 2 8 B 2 Y out 2 3 5 C 3 Z out 3 4 4 D 4 Signal Power ground 4 5 3 E 5 Signal Power ground 5 6 1 F 6 12V supply 6 7 2 G 7 12V supply 7 8 9 10 7 9 8 9 10 NC 8 9 10 For details of cable colours see the figure showing the relevant cable ...

Страница 22: ...OM1004 ISSUE 20 PAGE 21 OF 30 Figure 1 Mag 03MC SENSOR OUTLINE WITH MATING CONNECTOR DR0657 2 Figure 2 Mag 03MCES SENSOR OUTLINE WITH MATING CONNECTOR DR0656 2 ...

Страница 23: ...GROUND 4 SIGNAL POWER GROUND 5 Z OUT 6 X OUT 7 N C 8 Y OUT 9 N C POSITION OF SENSING ELEMENTS 2mm MAGNETIC AXES PASS THROUGH CENTRELINES FIXING CENTRES M5 0 8 6H TO ACCEPT NON MAGNETIC SCREWS ABSOLUTE MAXIMUM LENGTH 16mm MATING CONNECTOR D TYPE ITT CANNON DEM 9S NMB PLASTIC BODY WITH NON MAGNETIC 4 40UNC LOCKING SCREWS 25 D TYPE ITT CANNON DEM 9P NMB 1 5 9 6 40 25 10 146 THIS EDGE UNDERSIDE FACES ...

Страница 24: ...H SHROUD PIN No FUNCTION A X OUTPUT B Y OUTPUT C Z OUTPUT D SIGNAL POWER GROUND E SIGNAL POWER GROUND F 12V SUPPLY G 12V SUPPLY AMPHENOL FIXED PLUG 62GB 12E10 7P D G F E B C A 40 X 25 10 Y Z 5 152 6 THIS EDGE TWO UNDERSIDE FACES ARE DATUMS 167 208 POSITION OF SENSING ELEMENTS 2mm MAGNETIC AXES PASS THROUGH CENTRELINES 3 X 4 MOUNTING HOLES 23 5 4 PIN No FUNCTION 1 X OUT 2 Y OUT 3 Z OUT 4 SIGNAL POW...

Страница 25: ...OUT 12V 12v GND SIG PWR GND SHIELD 9 WAY 1 2 3 4 5 6 7 8 9 25 WAY 5 6 7 11 13 17 18 19 12 CABLE COLOURS BLUE YELLOW WHITE RED BLACK GREEN GREY 750 5000 IEbv1 9 WAY D TYPE IEbv2 25 WAY D TYPE 25 115 CYLINDRICAL ELECTRONICS ENCLOSURE RM15TPD10S HIROSE SOCKET WITH SHROUD FITTED 10 PIN No FUNCTION 1 X OUT 2 Y OUT 3 Z OUT 4 SIGNAL POWER GROUND 5 SIGNAL POWER GROUND 6 12V SUPPLY 7 12V SUPPLY 8 9 10 N C ...

Страница 26: ...OM1004 ISSUE 20 PAGE 25 OF 30 Figure 9 Mag 03MCTP VERSION SENSOR OUTLINE WITH MATING CONNECTOR DR0757 3 Figure 10 Mag 03MCUP VERSION SENSOR OUTLINE DR0758 2 ...

Страница 27: ...OM1004 ISSUE 20 PAGE 26 OF 30 Figure 11 Mag 03MC CABLE DR0748 2 Figure 12 Mag 03MCES CABLE DR0756 2 ...

Страница 28: ...OM1004 ISSUE 20 PAGE 27 OF 30 Figure 13 Mag 03MS CABLE DR0996 2 Figure 14 Mag 03MSES CABLE DR1257 2 ...

Страница 29: ...OM1004 ISSUE 20 PAGE 28 OF 30 Figure 15 Mag 03MSS CABLE DR1017 2 Figure 16 Mag 03MC BR MOUNTING BRACKET DR0746 2 ...

Страница 30: ...TIC DR1006 3 Figure 18 Mag 03 TYPICAL FREQUENCY DEPENDENT AMPLITUDE PHASE RESPONSE DR1007 2 47µF 20V I 0 1µF 270mA Vx Vy Vz 47µF 20V I 0 1µF OUTPUT 270mA 12V SUPPLY SIGNAL POWER GROUND SIGNAL POWER GROUND 12V SUPPLY Zo 1Ω X OUT Y OUT Z OUT 62mA 62mA 62mA CONNECTOR ...

Страница 31: ...OM1004 ISSUE 20 PAGE 30 OF 30 Figure 19 DR1008 2 Figure 20 DR1009 2 ...

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