Lutron Electronics MG-3OO2 Manual de usuario

G ( Gauss) mT ( milli Tesla ) USB/R5232

AC IDC

MAGNETIC METER

Model : MG-3OO2

Your purchase of this

AC/DC MAGNETIC METER

marks a step forward for

you into the field of

precision measurement.

Although this METER is a

complex and delicate

instrument, its durable

structure will allow many

years of use if proper

operating techniques are

developed. Please read the

following instru ctions

carefully and always keep

this manual within easy

reach"

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Wide range, general purpose magnetic measurement.

for industrial, mechanical, material, electrical, laboratory

field usage.

Unit : G ( Gauss ), mT ( milliTesla ).

DC and AC magnetic field measurement

DC Range : 300.00 mT/3000.0 mT.

AC Range : 150.00 mT/1500.0 mT.

Resolution : 0.0U0.1 mT, 0.1/1 G"

N pole/S pole indicator,

Use Hall sensor with automatic Temp. compensation.

Zero button for DC magnetic function.

Separate probe, easy operation and convenient

for remote measurement.

Data hold function for freezing the desired value

on display.

Records Maximum and Minimum readings with Recall"

RS232/USB com puter interface,

Microprocessor circuit assures maximum possible

accuracy, provides special functions and features.

Heavy duty & compact housing with hard carrying case,

designed for easy carry out & operation.

Auto shut off is available to save battery life.

Power supply from batteries or DC 9V adapter in.

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 52 mm x 38 mm

dual function LCD disPlaY.

Measurement

Unit mT milli Tesla

GSauss

Measurement

Range, DC mT Ranqe 1300.00 mT x 0.01 mT

Ranob 23.000.0 mT x 0.1 mT

GRanqe 13.000.0Gx0.1 G

Ranqe 230.000Gx1G

Measurement

Range, AC mT Ranoe 1150.00 mT x 0.01 mT

Ranqe 21,500.0 mT x 0.1 mT

GRanqe 11.500.0Gx0.1 G

Ranqe 215,000Gx1G

Accuracy DC I ( 5 o/o rdq. + 10 diqit )

AC * ( 5 o/o rdo. + 20 diqit )

Frequency

Resoonse AC measurement :

50 Hz I 60Hz

Sensor Hall sensor.

remp.

Compensation

for hall sensor

Probe head build the TemP. sensor

for using the ATC ( automatic TemP.

compensation ).

Field Direction Uniaxial.

Data Hold Freeze the displav readinq.

Memory Recall Maximum & Minimum value.

Display

Samplinq Time Approx. 1 second.

Power off Manual off by push button or

Auto shut off to save battery life.

Operating

Temoerature 0to50t.

Operating

Humiditv iLess than B5o/o R.H.

Data Output RS 232IUSB PC serial inteface.

* Connect the optional R5232 cable

UPCB-0Z willget the R5232 plug.

* Conned the optional USB cable

USB-01 willset the USB plus.

Power Supply l06P DC 9V battery

I Alkaline or Heaw duW Wpe ).

DC 9V adapter input"

* AC/DC power adapter is optional.

Power Current Aporox. DC 20.5 mA .

Weight Approx. 270 g/0.60 LB.

I include battery & probe )

Dimension Main instrument :

195x68x30mm

( 7.6 x 2.6 x L.2 inch )

Probe :

198 x25x19mm

( 7.8 x 1.0 x 0.7 inch ).

Accessories

Included lnstruction manual..... ..1 PC

Vlagnetic Probe.....,,. ....1 PC

3arryinq case, CA-06.................... 1 PC

Optional

Accessories R5232 cable, UPCB-02

JSB cable, USB-01

Data Acouisition software. SW-U801-WIN

* Above specification tests under the environment RF Field Strength less than 3

V/M &. frequency lex than 30 MHz only.

[.,,

4-7 AC/DC magnetic freld measurement

L)Power ON the meter by pressing the " Power

Button " (3-2, Fig. I ) once.

2)Pressthe " Mode Button " ( 3-6, Fig. 1) once,

the Display will show the following screen in sequence :

mT unit Under G unit

Note:

al screen is ready for DC 0.1 mT resolution measurement.

bl screen is ready for DC 0.01 mT resolution measurement.

cl. screen is ready for AC 0.1 mT resolution measurement"

dl screen is ready for AC 0.01 resolution measurement.

a2 screen is ready for DC I G resolution measurement.

b2 screen is ready for DC 0.1 G resolution measurement.

c2 screen is ready for AC 1 G resolution measurement.

d2 screen is ready for AC 0..1 G resolution measurement"

3-16

3-15

3-12

3-13

3-14

3-{8

3-',|.7

Fig. 1

3-i. Display

3-2 Power Button

3-3 Hold Button

3-4 REC Button ( Enter Button )

3-5 ZERO Button

3-6 Mode Button ( DC, AC Button ), Sm

3-7 Input socket

3-8 Probe Handle

3-9 Probe Sensing Head

3-10 Probe Plug

3-11 Probe Head Cover

3-12 RS-232 Output Terminal

3-13 Reset button....

3-14 DC 9V Power Adapter Input Socket

3-1.5 Stand

3-16 Tripod Fix Nut

3-17 Battery Compaftment/Cover

3-18 Battery Cover Screw

a2a1

Button

3) Display indicator

DC maqnetic field measurement

x The Display will show " N " or " S " indicator.

* North pole : Display will show " N " indicator

* South pole : Display will show " S " indicator

field measurement

* Display will show " AC " indicator.

* Display will not show " N (S ) indicator.

4) unit selection :

How to select the unit ( mG, uT ), the procedures please

refer to chapter 5-1 " Change the unit ( mT, G ) ", page

S)Contact and close the testing material to the probe

head ( refer to Fig. 3 ) , the Display will show the

magnetic field value along with the unit ( mG, uT ).

)

6)Zero adjustment :

When power ON the meter, due to the environment

interference, the display may show certain values ( not

zero value), it is normal.

" * Before the measurement, fix the probe at the exact

position, press the " ZERO Button " ( 3-5, Fig. 1 )

continuously at least two seconds until the display

show " 0 " value, in the same time the Display will

show the " 0 " indicator then release the finger from

the button.

* Press the " ZERO Button " ( 3-5, Fig. 1 )

continuously at least two seconds again, the " O "

indicator will be disappeared and the Display will

return to the " no zero " value ( show the

environment magnetic field value ).

4-2 Data Hold

During the measurement, press the " Hold Button " ( 3-3,

Fig. 1 ) once will hold the measured value & the LCD will

display a " HOLD " symbol.

* Press the " Hold Button " once again will release the data

hold function.

4-3 Data Record ( Max., Min, reading )

* The data record function records the maximum and

minimum readings. Press the " REC Button " ( 3-4, Fig.

L ) once to staft the Data Record function and there

will be a " REC " symbol on the display.

* With the " REC " symbol on the display :

a)Pressthe " REC Button " ( 3-4, Fig. 1) once, the "

REC. MAX " symbol along with the maximum value

will appear on the display.

If intend to delete the maximum value, just press

the " Hold Button " ( 3-3, Fig. 1 ) once, then the

display will show the " REC. " symbol only & execute

the memory function continuously.

HALL SENSOR _T T_ TEMP COMPENSATION

( Magnetic senshg area ) \ ?// UNIT

Contact side ( measuring face )

b)Press the " REC Button " (3-4, Fig. 1 ) again, the

" REC. MIN " symbol along with the minimum value

will appear on the display.

If intend to delete the minimum value, just press

the " Hold Button " ( 3-3, Fig. 1 ) once, then

the display will show the " REC. " symbol only &

execute the memory function continuously.

c) To exit the memory record function, just press the

" REC Button " for 2 seconds at least. The display will

reveft to the current reading,

Remark:

When make the DC magnetic field measurement

and execute the " RECORD o fundion, it can not

change from the " North pole' to'South pole *

or from the " South pole " to " North pole *

during the measuremenL ft can make the

measurement under the same pole ( S pole or N

pale ) only, otherwise the Max,, Min, value will

be no sense"

Press the " SET Button " ( 3-6, Fig. 1 ) continuously at

least two seconds will enter the " Advanced Setting " mode,

then press the " SET Button " ( 3-6, Fig. 1 ) once a while

in sequence to select the three function, the lower Display

will show :

PoFF..... Auto power OFF management

Unit...... Select the measurement unit to mT or G

CLr,....., For the further calibration usuage, not available

for the end user

5-1, Auto power OFF management

When the lower display show " PoFF "

l)Usethe " REC Button " ( 3-4, Fig. 1) to enter

will enter into the setting of " Auto power off

management ".

Press the " Mode Button " ( 3-5, Fig. 1 ) once in sequence

to select upper value to " yES " or " no ""

yES - Auto Power Off management will enable.

no - Auto Power Off management will disable"

2)After select the desiring function ( YES or no ), press the

' REC Button " (3-4, Fig. t ) to save the function with

default"

5-2 Select the measurement unit to mT or G

the lower display show " unit "

L)Use the " REC Button " (3-4, Fig. t ) to enter

will enter into the setting of " Select the measurement

unit of mT or G "

Press the " Mode Button " ( 3-5, Fig. I ) once in sequence

( 3-6, Fig. 1 ) to select the Display text to

t'tttor"gt'.

t - milli Tesla ( mT )

G-Gauss(G)

2)After Display unit is selected to " mT " or " G ", press the

" REC Button " (3-4, Fig. 1 ) will save the setting

function with default.

the lower displav show " CLr "

This setting just for the further calibration usage, not

available for the end user.'

The 16 digits data stream will be displayed in the

following format:

5-3 For the fitfther alibration usage, not available

for the user

The instrument has RS232 PC serial interface via a 3.5

mm terminal ( 3-12, Fig. 1 ). The data output is a 16

digit stream which can be utilized for user's specific

application. A RS232 lead with the following connection

will be required to link the instrument with the pC serial port.

Center Pin......................... Pin 4

Ground/shie|d,........... Pin 2---1

n z.zK

I I resister

Pin 5r l)When the left corner of LCD display show " ffi', it

is necessary to replace the battery. However, in-spec'

measurement may still be made for several hours after

low battery indicator appears before the instrument

become inaccurate.

2)Loose the " Battery Cover Screw " ( 3-18, Fig. 1 ), slide

the " Battery Cover " (3-L7, Fig. 1 ) away from the

instrument and remove the battery. Replace with DC 9

V battery ( 006P Alkalineiheavy duty ), and reinstate

the cover.

3)Make sure the battery cover is secured after changing

the battery. 11

Each dlglt lndicates the following status :

ffi

D15

D14 +

D13 1

)12 &

)11 ffiay

mT=E3 lG=85

D10 Polarity

0=Positive t=Negative

)9 iAffiAFo'lfiDP), pqsition from right to the

eft, 0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP

D8 to Dl @MSD,Dl =LSD

=or example :

If the display reading is L234, then DB to

Dl is : 00001234

)0 End Word = 0D

If the meter happen the troubles such as :

CPU system is hold ( for examp/e, the key buffon can

not be operated... ).

Then make the system RESET will fix the problem,

The system RESET procedures will be either following

method :

During the power on, use a pin to press the ', Reset

Button " ( 3-13, Fig. 1 ) once a while will rest the

circuit system, After execute the ,' System reset ', the

setting value of : Advanced Setting ,'will be cleared

and return to default value.

1012-MG3002

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