PCE Instruments PCE-MFM 3000 User manual
PCE-MFM 3000
G ( Gauss), mT ( milli Tesla ), USB/RS232
MAGNETIC FIELD METER
Your purchase of this
AC/DC MAGNETIC METE
R
marks a step forward for
you into the field of
precision measurement.
Althou
g
h this METER is a
complex and delicate
instrument, its durable
structure will allow many
years of use if proper
operatin
g
techniques are
developed. Please read the
followin
g
instructions
carefully and always keep
this manual within easy
reach.
OPERATION MANUAL
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: (561) 320-9162
Fax: (561) 320-9176
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Unit 11
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
TABLE OF CONTENTS
1. FEATURES.................................................................
.
1
2. SPECIFICATIONS........................................................2
3. FRONT PANEL DESCRIPTION......................................
.
4
3-1 Display.................................................................4
3-2 Power Button........................................................4
3-3 Hold Button.......................................................... 4
3-4 REC Button...........................................................4
3-5 ZERO Button ........................................................4
3-6 Mode Button ( DC, AC Button ), SET Button............4
3-7 Input socket.........................................................
.
4
3-8 Probe Handle........................................................4
3-9 Probe Sensin
g
Head.............................................. 4
3-10 Probe Plu
g
..........................................................4
3-11 Probe Head Cover...............................................
.
4
3-12 RS-232 Output Terminal...................................... 4
3-13 Reset button.......................................................4
3-14 DC 9V Power Adapter Input Socket......................
.
4
3-15 Stand.................................................................
.
4
3-16 Tripod Fix Nut.....................................................4
3-17 Battery Compartment/Cover................................
.
4
3-18 Battery Cover Screw............................................4
4. MEASURING PROCEDURE...........................................
.
5
4-1 AC/DC ma
g
netic field measurement.......................
.
5
4-2 Data Hold.............................................................7
4-3 Data Record.........................................................
.
7
5. ADVANCED SETTING.................................................. 8
5-1 Auto power OFF mana
g
ement................................9
5-2 Chan
g
e the unit ( mT, G ).....................................
.
9
5-3 For the further calibration usage, not available
for the user..........................................................10
6. RS232 PC SERIAL INTERFACE.....................................10
7. BATTERY REPLACEMENT............................................
.
11
8. SYSTEM RESET..........................................................
.
12
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
*Npole/S pole indicator
*Use Hall sensor with automatic Temp. compensation
*Zero button for DC, AC 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
1
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 )
(at 23± 5 )℃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
2
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 15 mA .
Weight Approx. 275 g/0.61 LB.
( include probe )
Dimension Main instrument :
198 x 68 x 30 mm
( 7.8 x 2.7 x 1.2 inch )
Probe :
195 x 25 x 19 mm
( 7.7 x 1.0 x 0.7 inch ).
Accessories Instruction manual.......................1 PC
Included Ma
g
netic Probe............................1 PC
Carrying case............................... 1 PC
* Above specification tests under the environment RF Field Strength less than 3
V/M & frequency less than 30 MHz only.
3
3. FRONT PANEL DESCRIPTION
Fi
g
. 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
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
Fig. 2
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 mT 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.
5
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 ( mT, G ), the procedures please
refer to chapter 5-2 " Change the unit ( mT, G ) ", page 9.
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 ( mT, G ).
Contact side ( measuring face ) Fig. 3
6
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 ),
in the same time the display will show the " 0 "
indicator.
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.
7
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 usage, not available
for the end user
8
This manual suits for next models
1
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