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Mikroskoplar ve mikroimag
MICROSCOPE VE MICROIMAGING SİSTEM
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| MANYETİK DUYARLILIK TERAZİSİ |
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Tarih |
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05.06.2008 |
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Açıklama |
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MANYETİK DUYARLILIK TERAZİSİ
(MAGNETIC SUSCEPTIBILITY METER)
For innovation in magnetic measuring instruments
MS2
Magnetic Susceptibility System
Specification - MS2 Meter
Measuring range - volume specific 1-9999 x 10-5 SI (10-6 CGS)
- mass specific 1-9999 x 10-8 SI (10-6 CGS)
Resolution - volume specific 2 x 10-6 SI (2 x 10-7 CGS) on x0.1 range. The resolution achieved will depend
on temperature drift and environmental noise.
Internal battery 0.6 Ah sealed Ni-Cad give 8 hours continuous use before
recharge is required.
Enclosure material high impact ABS
Operating temperature -100C to 400C
Weight 1.2kg
Dimensions 260 x 158 x 50mm
Sensor cable 50 ohm TNC to TNC, 1m length (alternative lengths to 100m on
request)
Battery charger inlet 2.1mm socket, 6-18Vd.c., 100mA maximum, polarity protected
RS232 interface 1200/9600 baud selected on rear panel
Interface connector 4-way rear panel Fischer socket
The MS2 magnetic susceptibility system comprises a meter with a wide range of sensors for measuring the
magnetic susceptibility of soils and rocks, in both the field and laboratory, with a resolution to 2 x 10-6 SI units.
Equipment is available for the measurement of susceptibility over the temperature range -200ºC to +850ºC.
Applications include geological and soil surveys, palaeomagnetics, archaeological prospecting, palaeoclimatic studies,
hydrology, sedimentology, core logging/correlation and magnetic fabric analysis. In archaeology, this system can be
used to detect the enhancement of magnetic susceptibility in soils produced by human habitation, mainly due to
burning.
The measurements are non-destructive, and the low frequency used ensures that the results are largely unaffected by
sample conductivity. The probes are temperature compensated to minimise drift during measurements.
With a unique range of sensors the Bartington MS2 system is well established as the world standard for field and
laboratory use.
MS2
Magnetic Susceptibility Meter
The MS2 meter can be connected to a wide range of individually calibrated sensors. When sample material is placed
within the influence of the low frequency, low intensity, alternating magnetic field produced by the sensor, a change in
frequency results. This is converted to a value of magnetic susceptibility, which is displayed digitally in SI or CGS units,
as selected.
Diamagnetic (negative) values can be measured.
The instrument is powered from internal batteries, rechargeable from the mains or a vehicle dashboard, with indicators
for battery status and charging. Push buttons or a toggle switch are used for zeroing or taking measurements. A serial
interface provides computer control and data transfer. A range switch adds one place of decimal to the resolution with
an increased measurement time. All sockets and switches are environmentally sealed.
The MS2 meter is portable and is supplied with a carrying bag for field use, an instrument stand for laboratory use, a
universal mains adaptor, vehicle dashboard connector, RS232 cable and a booklet on Environmental Magnetic
Susceptibility measurements.
MS2
Magnetic Susceptibility System
Specification - MS2B Sensor
Calibration accuracy 1% (10ml calibration sample provided)
Measurement period: x 1 range 1.5s SI (1.2s CGS)
x 0.1range 15s SI (12s CGS)
Operating frequencies: LF 0.465kHz ±1%
HF 4.65kHz ±1%
Amplitude of applied field 250μT peak ±10% (LF & HF)
Maximum resolution 2 x 10-6 SI (vol) (2 x10-7 CGS) (LF & HF)
HF/LF cross calibration 0.1% worst case (can be adjusted using calibration sample)
Temperature induced drift:
sample to sensor differential ±0.05 x 10-5 SI/ºC/minute (LF& HF)
(±0.05 x 10-6 CGS/ºC/minute)
Enclosure material high impact ABS
Weight 0.7kg
Dimensions 210 x 145 x 110mm
MS2B
Dual Frequency Sensor
This sensor is used for mass or volume specific susceptibility measurements of standard palaeomagnetic samples in
studies of rock and mineral magnetism. It is also used in conjunction with the AMSWIN-BAR software and sample
adaptor for measurements of the anisotropy of susceptibility.
The unique dual frequency facility permits identification of ferrimagnetic grains close to the superparamagnetic/stable
single domain transition. This information is critical to many aspects of interpretation, for example in studies of
weathering and soil formation, fossil soil identification and characterisation, and sediment or dust source investigations.
The sensor accepts 10ml and 20ml cylindrical bottles, 25.4mm and 23mm cubic boxes, 35mm pots and 25.4mm
cylindrical cores. A manually operated platen allows the sample to be inserted and positioned centrally within the
sample cavity. A calibration sample with low temperature and frequency dependency is supplied with the sensor. Dual
frequency cross calibration is quickly accomplished with the use of the calibration sample and adjuster tool.
Specification - MS2C Sensor
Loop internal diameter 36, 40, 45, 60, 72, 80, 90, 100, 125, 130, 135, 140, 145, 150, 160 or 162mm
Intermediate sizes can be provided at an additional charge
Calibration accuracy 5% (calibration sample provided)
Measurement period - x 1 range 1.1s SI (0.9s CGS)
- x 0.1range 11s SI (9s CGS)
Operating frequency 0.565kHz
Drift at room temperature <2 x 10-5 SI (vol) (<2 x 10-6 CGS) in 10 minutes after 5 minutes operation
MS2C
Core Logging Sensor
A series of loop sensors, ranging from 36 to 162mm in diameter is available for high resolution volume susceptibility
measurements on whole cores. They are suitable for measuring any type of peat, lake, or marine sediment core,
provided it is not metal clad.
These rugged sensors, with a very low temperature induced drift, are designed for laboratory, field or shipboard use.
They can be used with manual or automated core analysis systems - details on request.
The MS2C sensors are used in prospection, core correlation and the identification of palaeoclimatic sequences.
Optimum measurement accuracy is achieved with 5-10mm core clearance. Calibration graphs are provided for varying
core to sensor diameter.
This loop probe is designed for rapid assessment of the concentration of ferrimagnetic materials in the top 100mm of
the land surface. It is used in studies of slope processes, and in archaeological prospecting. The probe can only be
operated in conjunction with the MS2 probe handle.
MS2E
Sensor
This sensor is designed to perform high resolution measurements on the surface of split drill or soft sediment cores.
The sensitive area of the probe, as defined by 50% maximum response, is in the form of a rectangle of 3.8mm x
10.5mm allowing very fine resolution surface measurements. The position of the long axis is identified by marks on
the circumference of the sensor. The sensor is supplied in a protective case.
MS2D
Probe
Specification - MS2E Sensor
Area of response 3.8mm x 10.5mm at the end of the ceramic cylinder
Depth of response 50% at 1mm, 10% at 3.5mm
Measurement period - x 1 range 1.5s SI (1.2s CGS)
- x 0.1 range 15s SI (12s CGS)
Operating frequency 2kHz
Drift at room temperature <5 x 10-5 SI (vol) (<5 x 10-6 CGS) in 5 minutes after 5 minutes operation
Enclosure material diecast aluminium and ceramic
Weight 0.22kg
Dimensions 150 x 50 x 25mm
Specification - MS2D Probe
Depth of response 50% at 15mm, 10% at 60mm
Measurement period - x 1 range 0.6s SI (0.5s CGS)
- x 0.1 range 6s SI (5s CGS)
Operating frequency 0.958kHz
Drift at room temperature <10 x 10-5 SI (vol) (<10 x 10-6 CGS) in 20 minutes after 20 minutes operation
Enclosure material reinforced epoxy
Weight 0.5kg
Dimensions mean diameter 185mm, overall height 90mm
MS2F
Probe
This miniature probe is ideal for the stratigraphic study of exposed geological and archaeological sections. It is also
used where difficult surface conditions prevent good contact with the MS2D loop. The probe can only be operated in
conjunction with the MS2 probe handle.
Specification - MS2F Probe
Area of response end face and cylinder wall up to the shoulder
Depth of response 10% at 6mm from end face and 4.5mm from outer diameter of end cap
Measurement period - x 1 range 1.1s SI (0.9s CGS)
- x 0.1 range 11s SI (9s CGS)
Operating frequency 0.58kHz
Drift at room temperature <10 x 10-5 SI (vol) (10 x 10-6 CGS) in 20 minutes after 20 minutes operation
Enclosure material Nylon 66
Weight 0.05kg
Dimensions - sensitive volume 15mm diameter x 20mm
- overall 35mm diameter x 85mm
Specification - MS2G Sensor
Calibration accuracy 2% (1ml calibration check sample provided)
Measurement period - x 1 range 0.9s SI (0.7s CGS)
- x 0.1 range 9s SI (7s CGS)
Operating frequency 1.3kHz
Drift at room temperature <2x10-5 SI (vol) (<2x10-6 CGS) in 5 minutes after 5 minutes operation
Enclosure aluminium and ceramic
Sample cavity dimensions 8.5mm diameter x 28mm in height
Sensitive region 5mm height at centre of cavity
Weight 670g
Dimensions (mm) 185 x 93 x 69mm
Sample vial - 1ml volume Kartell part number 730
MS2G
Sensor
This sensor is designed for magnetic susceptibility measurements of 1ml liquid or powder samples. Scaling correction
values are given for volumes down to 0.2ml. The sensor operates at a low frequency and has excellent temperature
stability.
It is used for susceptibility measurements where only very small samples of homogeneous fine-grained material are
available. Examples are airborne particulates collected in filter papers or particles in colloidal suspension.
The sensor accepts commercially available polythene vials with a diameter of 8mm and a length of 30mm. The
sample holder is compatible with other rock measuring equipment allowing for a comprehensive range of
measurements to be taken without the need for re-packing the sample. The sample cavity is situated at the tip of a
boom mounted on the aluminium electronics enclosure.
Specification - MS2K Sensor
Area of response 25.4mm diameter full-width-half-maximum
Depth of response 50% at 3mm, 10% at 8mm
Measurement period - x 1 range 1.2s SI (1s CGS)
- x 0.1 range 12s SI (10s CGS)
Drift at room temperature <2 x 10-5 SI (vol) (<2 x 10-6 CGS) in 5 minutes after 5 minutes operation
Operating frequency 930Hz
Weight 0.32kg, (1.20kg with carrying case)
Dimensions 165 x 145 x 50mm
Environmental May be used under wet conditions - not suitable for immersion
MS2K
Sensor
This sensor is designed to provide highly repeatable measurements of the volume magnetic susceptibility of
moderately smooth surfaces. Applications include description of magnetic stratigraphy and identification of horizons. It
can also be used for characterisation of outcrops and logging split cores, with the exception of metal-clad cores. The
sensor has applications in materials testing where the relatively low operating frequency permits measurement on
some of the less electrically conductive metal alloys, for example stainless steel, without magnetisation.
MS2H
Sensor
The MS2H is a down-hole sensor for profiling the magnetic susceptibility of strata in 25mm nominal diameter auger
holes. The detachable probe is fitted to the lower end of a push-tube to give an assembled length of 1 metre.
Waterproof screw couplings allow further 1 metre extension tubes to be added to achieve any practical length. The
probe assembly is hand-guided within the hole during logging and graduations ensure depth control to a resolution of
1cm. The probe connects to the MS2 meter via a 5mm diameter cable which may be extended to any practical
length.
The region of magnetic investigation radiates uniformly around the end of the probe resulting in tolerance to
inhomogeneities. Strata as narrow as 12.5mm in thickness can be discriminated. Measurements to a precision of 1 x
10-5 SI (volume) are obtained in less than one second. A low operating frequency of 1.3 kHz ensures immunity to
electrical conductivity effects. Multisus software can be used to log data during surveys.
Suitable augers can be supplied - information on request.
Applications include cultural stratigraphy in archaeology, geomorphology, landslide characterisation, paleosol
identification, pedology, erosion studies and stratigraphic correlation.
Specification - MS2H Sensor
Spatial resolution (vertical FWHM) 12.5mm full width half maximum
Depth of horizontal penetration 50%/2mm, 10%/5.5mm, 1%/13mm
Pattern of investigating field Isotropic radial
Operating frequency 1.3kHz
Precision 1 x 10-5 SI (1 x 10-6 CGS)
Calibration accuracy _5% in ø22mm sample
Measurement period (x1 range) 0.95s (on SI range)
Thermal drift (typical) 2 x 10-5 SI/ºC (below 20ºC)
-1 x 10-5 SI/ºC (above 20ºC)
Thermal setting time (typical) 30s/ºC (step change)
Markings for plane of sensitivity Lowest graduation
‘O’ Ring seal
1cm graduations
Lowest
graduation
Lower push-tube and probe showing
region of investigation
Product code &
serial No.
Probe
Diameter 21.5mm
Length 153mm
Weight 0.13kg
Connector type TNC
Down-hole measurements at the
Canning Archaelogical Site (USA)
recording multiple paleosols (2Ab,
3Ab) and buried occupation layer
(4Ab, 4Bw)
Push tubes
Construction Anodised aluminium alloy with BS015
`O` ring seal and stainless
steel threaded couplings
Lengths including union Upper - 101.5cm (extension)
Lower - 91.5cm
Weight 0.35kg each
Connecting Cable
Construction 10m length, 5mm diameter co-axial
(may be extended to 100m max)
Weight 0.4kg / 10m
Carrying case
Dimensions 1380 x 380 x 140mm
Weight (full) 10kg
120cm
100cm
80cm
60cm
40cm
20cm
0cm
0.00E+000 4.00E+004
Soil profile
from a
nearby
excavation
Volume Susceptibility (SI)
Specification - Equipment carrying case
Weight 8-10kg including equipment
Dimensions 550 x 480 x 280mm
This handle is required for connection of the sensors type MS2D and MS2F to the MS2 meter. The handle is
submersible to the depth of the electronics unit (0.6m).
MS2
Equipment carrying case
This is a tough lockable case with cut-outs to provide maximum protection for the equipment.
MS2
Probe Handle
Specification - MS2 Probe Handle
Weight 0.6kg
Dimensions - upper section 430mm length
- lower section 360mm length
Multisus Software
AMSWIN-BAR Software
This package is used with the MS2 meter and MS2B sensor to measure the anisotropy of magnetic susceptibility for
magnetic fabric analysis. A sample adaptor, designed for 25mm diameter palaeomagnetic samples, is supplied with
the software.
The software operates under Windows® 2000/XP. A demonstration version can be downloaded from the Bartington
web site.
Multisus is used in conjunction with the MS2 meter and sensors type MS2B, MS2C, MS2E or MS2G. It can also be
used with the down-hole probe type MS2H. It includes a facility for drift correction of measurements, performs
corrections for the MS2C sensor core/coil diameter ratio, and for the MS2B sensor can convert readings to mass
specific susceptibility and calculate the coefficient of frequency dependence of susceptibility.
The software operates under Windows® 95/98/2000/NT/XP. It can be downloaded free of charge from the Bartington
web site.
Specification - MS2W Sensor
Measurement sensitivity 1 x 10-5 SI (vol) (1 x 10-6 CGS) for 10ml sample, reduced by a factor of 4 for
2.5ml sample
Calibration accuracy 1% (calibrated for 10ml sample)
Measurement period - on x 1 range 2.4s SI (1.9s CGS)
- on x 0.1 range 24s SI (19s CGS)
Operating frequency 0.696kHz
Drift during measurement <2 x 10-5 SI (vol) (<2 x 10-6 CGS)/30 minutes with 2l/minute water flow
through sensor
Weight 0.85kg
Dimensions - probe internal ø 30mm
- overall 255 x 100 x 65mm
This system is used in the investigation of magnetic mineralogy and grain size and for the determination of Curie
transition temperatures. It permits magnetic susceptibility measurements to be made on 15mm diameter (2.5ml)
samples over the temperature range –200oC to +850oC.
The system comprises the MS2 meter, MS2W sensor, MS2WF furnace, MS2WFP power supply unit and a selfcontained
water coolant supply, fully interlocked to prevent MS2WF furnace operation without coolant flow. The
Geolabsoft software package (running under Windows) collects data and displays the results during the measurement
sequence.
MS2W
Sensor
This water-jacketed sensor has a 30mm diameter sample cavity. The temperature stability of the sensor is excellent
and drift during the measurement sequence is exceptionally low as the water jacket thermally isolates the electronics
from the sample cavity. The sensor can be used without the furnace or power supply, in conjunction with the MS2
meter and a non-magnetic type T thermocouple (Cu/Cu-Ni), for measurements on 10ml cylindrical samples over the
temperature range -200oC to room temperature. The sample is cooled in liquid nitrogen and allowed to warm slowly to
room temperature whilst measurements are taken.
For high temperature measurements the MS2WF furnace and MS2WFP power supply unit are required.
MS2
Susceptibility/Temperature System
Specification - MS2WF Furnance
Weight 2kg
Dimensions - Overall 350 x 235 x 135mm
- Heating cavity 17mm ID 25mm usable height
- Ceramic crucible cavity 13mm ID 20mm usable height
MS2WF
Furnace
This furnace is installed inside the cavity of the water-jacketed sensor for heating samples from room temperature to
+850OC. The non-inductively wound platinum heating element on a quartz cylinder ensures uniform heating of the
sample whilst insulation reduces the maximum external temperature to around 100OC.
The sample temperature is displayed on a digital panel meter to a resolution of 0.1OC when connected to a type S
(Pt/Pt-Rh) or type T (Cu/Cu-Ni) thermocouple. The sample temperature is also available as an analog voltage.
The sample diameter is restricted to 15mm maximum or circa 2.5ml volume. A ceramic crucible, specially designed to
fit onto the thermocouple, is provided for granular or powder samples.
Specification - MS2WFP Power Supply Unit
Weight 7kg
Dimensions 317 x 210 x 165 mm
MS2WFP
Power Supply Unit
This unit supplies power to the MS2WF furnace to heat the sample. The sample temperature can be increased or
decreased with a pre-selected linear rate or maintained at a pre-set level using manual controls.
Geolabsoft software
This software, for the Magnetic Susceptibility/Temperature System, runs under Windows 95/98/2000/NT/XP. Data is
collected via a single RS232 serial interface and plotted in real time. Drift correction is applied at the end of the
measurement sequence.
Specifications of the products described in this brochure are subject to change without prior notice.
Windows® is a registered trademark of Microsoft Corporation.
TURKEY DISTRUBUTORS: AND BİLİMSEL ANALİTİK TIBBİ CİHAZLAR LTD STİ
HASDEMIR VILLAGES NUMBER 22 SUADIYE TURKEY: 00 90 262 352 24 25
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