MRC MG-3002 Manual de usuario

G ( Gauss), mT ( milli Tesla ), USB/RS232

AC/DC MAGNETIC METER

our purchase of this

C/DC MAGNETIC METER

marks a step forward for

you into the field o

precision measurement.

lthough 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 instructions

carefully and always keep

this manual within easy

reach.

Model : MG-3002

OPERATION MANUAL

3, Hagavish st. Israel 58817 Tel: 972 35595252, Fax: 972 3 5594529

[email protected]

MRC. 5.18

TABLE OF CONTENTS

1. FEATURES..................................................................1

2. SPECIFICATIONS........................................................2

3. FRONT PANEL DESCRIPTION......................................

3-1 Display................................................................. 4

3-2 Power Button........................................................4

3-3 Hold Button..........................................................

3-4 REC Button...........................................................4

3-5 ZERO Button ........................................................4

3-6 Mode Button ( DC, AC Button ), SET Button............4

3-7 Input socket.........................................................

3-8 Probe Handle........................................................4

3-9 Probe Sensing Head..............................................

3-10 Probe Plug.......................................................... 4

3-11 Probe Head Cover...............................................

3-12 RS-232 Output Terminal......................................

3-13 Reset button.......................................................4

3-14 DC 9V Power Adapter Input Socket......................

3-15 Stand.................................................................

3-16 Tripod Fix Nut.....................................................4

3-17 Battery Compartment/Cover.................................4

3-18 Battery Cover Screw............................................4

4. MEASURING PROCEDURE...........................................

4-1 AC/DC magnetic field measurement.......................

4-2 Data Hold.............................................................7

4-3 Data Record.........................................................

5. ADVANCED MEASURING PROCEDURE..........................8

5-1 Auto power ON/OFF management..........................9

5-2 Change the unit ( mT, G )......................................9

5-3 For the further calibration usage, not available

for the user..........................................................10

6. RS232 PC SERIAL INTERFACE.....................................

7. BATTERY REPLACEMENT.............................................11

8. SYSTEM RESET..........................................................

1. FEATURES

* Wide range, general purpose magnetic measurement.

for industrial, mechanical, material, electrical, laboratory

field usage.

* Unit : G ( Gauss ), mT ( milli Tesla ).

* DC and AC magnetic field measurement

* DC Range : 300.00 mT/3000.0 mT.

AC Range : 150.00 mT/1500.0 mT.

* Resolution : 0.01/0.1 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 computer 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.

2. SPECIFICATIONS

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 52 mm x 38 mm

dual function LCD display.

Measurement mT milli Tesla

Unit G Gauss

Measurement mT Range 1 300.00 mT x 0.01 mT

Range, DC Range 2 3,000.0 mT x 0.1 mT

G Range 1 3,000.0 G x 0.1 G

Range 2 30,000 G x 1 G

Measurement mT Range 1 150.00 mT x 0.01 mT

Range, AC Range 2 1,500.0 mT x 0.1 mT

G Range 1 1,500.0 G x 0.1 G

Range 2 15,000 G x 1 G

Accuracy DC ± ( 5 % rdg. + 10 digit )

AC ± ( 5 % rdg. + 20 digit )

Frequency AC measurement :

Response 50 Hz / 60 Hz

Sensor Hall sensor.

Temp. Probe head build the Temp. sensor

Compensation for using the ATC ( automatic Temp.

for hall sensor compensation ).

Field Direction Uniaxial.

Data Hold Freeze the display reading.

Memory Recall Maximum & Minimum value.

Display Approx. 1 second.

Sampling Time

Power off Manual off by push button or

Auto shut off to save battery life.

Operating 0 to 50 .℃

Temperature

Operating Less than 85% R.H.

Humidity

Data Output RS 232/USB PC serial interface.

Connect the optional RS232 cable

UPCB-02 will get the RS232 plug.

Connect the optional USB cable

USB-01 will get the USB plug.

Power Supply 006P DC 9V battery

( Alkaline or Heavy duty type ).

DC 9V adapter input.

* AC/DC power adapter is optional.

Power Current Approx. DC 20.5 mA .

Weight Approx. 270 g/0.60 LB.

( include battery & probe )

Dimension Main instrument :

195 x 68 x 30 mm

( 7.6 x 2.6 x 1.2 inch )

Probe :

198 x 25 x 19 mm

( 7.8 x 1.0 x 0.7 inch ).

Accessories Instruction manual....................... 1 PC

Included Magnetic Probe............................1 PC

Carrying case, CA-06....................1 PC

Optional RS232 cable, UPCB-02

Accessories USB cable, USB-01

Data Acquisition software, SW-U801-WIN

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

V/M & frequency less than 30 MHz only.

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 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 ), SET Button

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

3-15 Stand

3-16 Tripod Fix Nut

3-17 Battery Compartment/Cover

3-18 Battery Cover Screw

4. MEASURING PROCEDURE

4-1 AC/DC magnetic field measurement

1)Power ON the meter by pressing the " Power

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

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

the Display will show the following screen in sequence :

Under mT unit Under G unit

N(S) 0 mT a1 N(S) 0 Ga2

.0 0

N(S) 0.0 mT b1 N(S) 0 Gb2

0 .0

0 mT c1 0 Gc2

.0 AC 0 AC

0.0 mT d1 0 Gd2

0 AC .0 AC

Note :

a1 screen is ready for DC 0.1 mT resolution measurement.

b1 screen is ready for DC 0.01 mT resolution measurement.

c1 screen is ready for AC 0.1 mT resolution measurement.

d1 screen is ready for AC 0.01 resolution measurement.

a2 screen is ready for DC 1 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) Display indicator

DC magnetic field measurement

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

* North pole : Display will show " N " indicator

* South pole : Display will show " S " indicator

AC magnetic 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 .

5)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 ).

Contact side ( measuring face )

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.

1 ) once to start the Data Record function and there

will be a " REC " symbol on the display.

* With the " REC " symbol on the display :

a)Press the " 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.

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

revert to the current reading.

Remark :

When make the DC magnetic field measurement

and execute the " RECORD " function, it can not

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

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

during the measurement. It can make the

measurement under the same pole ( S pole or N

pole ) only, otherwise the Max., Min. value will

be no sense.

5. ADVANCED SETTING

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

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