Amprobe AMB-45 Manual de usuario

INSTRUCTION MANUAL

AMB 45

COM V

1000V CAT II

AMB 45

OFF

III

600V CAT

TEST

EXIT

0.5

0.2

REC

500V

250V

1000V

INTV

STORE

ZERO

REC HOLD

MegaTest 1

M100

10M 20

550

M1 21G

200 500

amb 45

CONTENTS PAGE

I. SAFETY INFORMATION………………………….……….2

Environment conditions……………………………............ 2

Maintenance & Cleaning…………………………………... 2

Safety symbols………………………………………..……. 3

II. GENERAL SPECIFICATION……………….…………….. 3

III. ELECTICAL SPECIFICATION…………………………….4

IV. SYMBOL DEFINITION & BUTTON LOCATION……….. 5

V. MEASURING FUNCTION………………………………… 7

1. ACV Function……………………………………………. 7

2. DCV Function…………………………………….……… 7

3. Low Ohm Function and Continuity Function…………. 7

4. MegaOhm Function…………………………..………… 7

VI. AUTO POWER OFF……………………………………… 10

VII. BATTERY CHANGING………………………………….. 10

VIII. FUSE CHANGING……………………………………….. 10

amb 45

I. SAFETY INFORMATION

 Read the following safety information carefully before attempting

to operate or service the meter.

 The circuit under test must be de-energized and isolated before

connections are made except for voltage measurement.

 Circuit connections must not be touched during a test.

 After insulation test, capacitance circuits must be allowed to

discharge before disconnecting the test leads.

 To avoid damages to the instrument do not apply the signals,

which exceed the maximum limits shown in the technical

specification tables, to the meter.

 Do not use the meter or test leads if they look damaged. Use

extreme caution when working around bare conductors or bus

bars.

 Use the meter only as specified in this manual; otherwise, the

protection provided by the meter may be impaired.

 Caution when working with voltages above 60V DC or 30 V AC

RMS. Such voltages pose a shock hazard.

 Before taking resistance measurements or testing acoustic

continuity, disconnect circuit from main power supply and all loads

from the circuit.

Environment conditions:

Installation Categories III 600V

Pollution Degree 2

Altitude up to 2000 meters

Indoor use only

Relatively humidity 80% max.

Operation Temperature 0〜40℃

Maintenance & Cleaning:

Only qualified personnel should perform repairs or servicing not

covered in this manual.

Periodically wipe the case with a dry cloth. Do not use

abrasives or solvents on these instruments.

amb 45

Safety symbols:

Caution (Refer to this manual before using the meter)

Dangerous voltages, risk of electric shock.

Meter is protected throughout by double insulation.

When servicing, use only specified replacement parts.

Approvals: EN-61010-1 600V CAT III 1000V CATII

VDE 0413

II. GENERAL SPECIFICATION:

 Display:

70 x 46mm Big LCD Panel with 60 segments analog bar Indication.

 Over range Indication:

“OL” will be shown on the LCD Panel when out of range

measurement is made.

 Low Battery Indication:

The will be show when the battery need to be changed.

 Sampling Rate:

2.5 times/sec Digital Display; 10 times/sec Bar Graph

 Power Source:

1.5V AA size Battery X 8

 Operating Temperature and Humidity:

0℃to 40℃(32℉to 104℉), bellow 80% RH

 Storage Temperature:

-10℃to 60℃( 14℉to 140℉)

 Dimension:

230 x 116 x 62 mm ; 9 x 4.6 x 2.4 inch

 Weight:

Approx. 750g(with battery)

 Accessories:

Test Lead, Large Jaw Alligator Clips, Battery, Instruction Manual,

Carrying Case, software, RS-232 cable.

amb 45

III. ELECTRICAL SPECIFICATION:

 AC Voltage

Range Resolution Accuracy

600V 0.1V 1.5%rdg+5dgts

 DC Voltage

Range Resolution Accuracy

600V 0.1V 1%rdg+3dgts

 ΩOhms ( Autoranging )

Range Resolution Accuracy

400Ω0.1Ω

4000Ω1Ω1%rdg+5dgts



Continuity beeper

Range Active Protection

≦40Ω250Vrms

 MΩ( Autoranging )

Range Resolution Accuracy

4/40/400/4000MΩ( 250V)

4/40/400/4000MΩ( 500V)

4/40/400/4000MΩ( 1000V)

1KΩ3%rdg+5dgts < 2GΩ

5%rdg+5dgts < 4GΩ

Recording Length: 4000 records

amb 45

1000

100

600

300

100

0.2

0.5

200

400

500

10M 20

900

700

800

K1G

M200 500

IV. Symbol Definition and Button Location

Symbol Definition:

○

1Low battery

○

2Analog bar display

○

3Data in capture memory

○

4High voltage warning

○

5Data hold

○

6Data capture mode indication

○

7Second digit display

○

8Low ohm zero function

○

9REC in process

○

10 Memory full

○

11 Analog Bar Scale

○

12 Data recording

○

13 REC interval symbol

○

14 Insulation test timer symbol

○

15 Continuity buzzer function

○

16 Measuring unit

○

17 Main digit display

○

6○

○

9○

○

amb 45

RS232 connector REC interval setup button

LCD Display ○

9Insulation timer button

REC button ○

10 Function selection dial

Data capture Button ○

11 Black terminal

AC/DC button ○

12 Red terminal

Data Hold Button ○

13 Battery Compartment Cover

TEST Button ○

14 Foldable stand

EXIT STORE

250V

1000V CAT

COM

600V CAT

OFF V

III

AMB

INTV

HOLD

500V

1000V

TEST REC

REC /

ZERO

MegaTest

RS - 232

700

300

0.2

100

200

900

1000

800

200

0.5 500

600

100

50 M

400

10M 20

1GK

500

amb 45

V. MEASURING FUNCTIONS

1. ACV Function:

Turn function selector to voltage range. Connect black test lead to

Black terminal and red one to the Red terminal. Connect test lead

to the test circuit in parallel. Operator can hold the reading by

pressing the key.

2. DCV Function:

Turn function selector to voltage range. Connect black test lead to

Black terminal and red one to the Red terminal.

Press the button to change the mode form ACV to DCV

function. Connect test lead to the test circuit in parallel. One can

hold the reading by pressing the key.

3. Low Ohm Function and Continuity Function:

Turn function selector to Ohm range. Connect black test lead to

Black terminal and red one to the Red terminal. Connect test lead

to the test circuit in parallel. If the reading is less than 40 Ohm, the

continuity beeper will sound.

One may null the lead resistance (under 40 Ohm) by shorting the

test lead than press the key. When the lead resistance is

recorded a ZERO symbol will display on the LCD. Press key

again to go back to normal operation. If the lead resistance is

great than 40Ω, the error beeping will sound. Because the test

current provided by the meter could reach 200mA, do not use this

range to test electronic component like diode, transistor or fuse.

Caution: Before measuring, verify the circuit is not live by voltage

function

4. MegaOhm Function:

Turn the function selector to the desired test voltage range. The

LCD will display “----” to indicate the tester is standing by. Connect

black test lead to Black terminal and red one to the Red terminal.

Connect test lead to the test circuit in parallel. One may take the

measuring under manual power mode or power lock mode:

HOLD

ZERO

amb 45

 Manual Mode: If the timer symbol and setup is not shown on the

center of LCD, the tester is under manual mode. Press the test

key to activate the test voltage source and the measuring will stop

after it got the first stable reading or the is pressed again

before a stable reading is reached. A periodic beeping will warn

the high voltage output. A series of beeping with shorter period

indicate the discharging in progress. When the beeper stops, the

discharge is completed. The test result will be held on the display

automatically.

 Lock Mode: Press the button to enter or exit the Power Lock

operation mode. Under this mode the timer and setup will be

shown in the center of LCD. Press the test button once to activate

the test source and the testing down counter will be shown in the

2nd digital display. A periodic beeping will warn the high voltage

output. The test process can be stop by pressing the button

again or when the testing down counter reaches zero. A series of

beeping with shorter period indicate the discharging in progress.

When the beeper stops, the discharge is completed. The test

result will be held on the display automatically.

 Caution:

Before measuring, verify the circuit is not live by voltage function.

Do not stare the test before the lead is connected to the test circuit

properly.

Do not remove the test leads from the test circuit before the

discharge process is completed.

 Setup Timer: When the function selector is under insulation

ranges, the user can setup the timer by pressing for 2

seconds. The timer setup will blink in LCD and it can be changed

by and keys. Pressing these keys one time will change

the setup by one second and pressing these keys for more than

two seconds the value will change continuously. Once the setup is

done, the user needs to press the timer again to store the value

into the memory.

ZERO

/HOLD

amb 45

 Setup REC interval: The user can setup the REC interval by

pressing . The interval setup will blink in LCD and it can be

changed by and keys. Pressing these keys one time will

change the setup by one second and pressing these keys for more

than two seconds the value will change continuously. Once the

setup is done, the user needs to press the timer again to store the

value into the memory.

 Start/Stop REC measuring DATA: When the function selector is

under voltage and low resistance ranges, the user can start the

REC function by pressing key. The REC symbol will display in

the LCD. The REC down counter will also be shown in LCD to

forecast the next data sampling time. When the second that the

recording occurs, a disk symbol will be shown to indicate this

process. When the function selector is under insulation ranges, the

user can set the REC mode only before the measuring start. If the

REC mode is set, a measuring will start the REC process

automatically.

 Data Capture Function: When the user want to store a reading

on the LCD, he can press key to enter data capture window.

The tester will automatically searched the next available capture

memory to store the reading or the user can browse up and down

by press the and keys. Once the address is chosen, the

user need to press key to store reading. The user can exit

data capture window by press key again.

 Erase Data Memory: The user can erase all the memory in the

following process. Turn the tester off. Press and hold key then

turn on the tester. will be shown to indicate the erasing is

under process. When it is done, message will be shown in

the LCD and the user can release the key.



ZERO

/HOLD

REC

INTV

REC

HOLD

STORE

REC EXIT

REC

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