MRC TM-8812 Manuel utilisateur

DIGITAL

ULTRASONIC

THICKNESS

METER

ThisUltarsonicThicknessMeter

small

size,

light

weight,easy

carry.Althoughcomplex

and

advanced,

itis

convenient

touseand

operate.

Its

ruggedness

will

allowmanyyears

ofuseif

properoperatingtechniques

are

followed.Please

read

the

followinginstructionscarefully

and

always

keepthismanualwithineasyreach.

3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

MRC.12.16

TABLE

CONTENTS

FEATURES

SPECIFICATIONS

FRONTPANELDESCRIPTIONS

•%

MATERIALSELECTION

CALIBRATION

MEASURINGPROCEDURE

MEASURING

VELOCITYSETTING

BATTERYREPLACEMENT

FEATURES

Used

the

exclusiveMicro-computer

LSI

circuit

and

crystaltimebase

offerhigh

accuracy

measurement

fastmeasuringtime.

Widemeasuringrange

and

highresolution.

Digitaldisplaygivesexactreadingwith

guessing

errors.

'With

highpower

emission

and

broadband

receivingsensitivity,

the

gauge

can

match

probes

differentfrequencies.Thatmakes

easy

measure

the

roughsurface,even

cast

iron.

Itis

widelyused

almost

all

kinds

industries.

Applicable

measure

the

thickness

many

materials,

e.g.

Steel,Castiron,

Aluminum,

Red

copper,Brass,Zinc,

Quartz

glass,Polyethylene,PVC,Graycast

iron,

Nodularcastiron.

Automaticpower

offto

conservepower.

SPECIFICATIONS

Display:

dig

its,

10mmLCD

Range:

1.0~200mm

(45#steel

)

VelocityRange:

1000-9000

m/s

Resolution:

0.1

mm/0.001inch

Accuracy:

±(0.5%n+0.1)

PowerSupply:

4x1.5vAAA(UM-4)

battery

OperatingCondition:Temp.

0~50°C

Humidity

<80%

Size:

120x62x30mm

(4.7x2.4x1.2inch)

Weight:about164g

(notincludingbatteries)

Accessory:

CarryingCase

1 pc.

OperationManual

1pc.

UltrasonicSensor

1 pc.

FRONTPANELDESCRIPTIONS

3-4

3-1

SensorPlug

3-2

Display

3-3

mm/inch

Key

3-4

Power

Key

3-5

MaterialSelection

Key

3-6

Plus

Key

3-7

UltrasonicSensor

3-8

Calibration

Key

3-9

Minus

Key

3-10

BatteryCompartment/Cover

3-11 CouplingIndicator

3-12

Standard

Block

3-13Velocity

Key

3-14

RS23ZC

Interface

3-10

MATERIALSELECTION

4.1

Press

the

"Power

Key

3-4"

turn

onthe

unit.

4.2

Press

the

Material"Selection

Key

3-5"

andthe

"Display3-2"willshow

the

code

"cdxx"

rcd"

the

abbreviation

for

"code"

and

"xx"

isone

number

among

01-11.

The

"cdxx"-material

relationship

isas

follow.

No.

CODE

cd01

cd02

cd03

cd04

cd05

cd06

cd07

cd08

cd09

cd010

cd011

xxxx

Material

Steel

Cast

Iron

Aluminum

Red

copper

Brass

Zinc

Quartzglass

Polyethylene

PVC

Graycastiron

Nodularcastiron

Soundvelocity

4.3

Press

the

"Plus

Key

3-6"

"Minus

Key

3-9"

select

the

materialcode

measure

and

then

press

the

Material

Selection

keyto

confirm.

The

displaywillshow"0".

Ifyou

select

material

code

butdonot

confirm

the

selection,

the

codewillautomaticallychange

to"0"

after

severalseconds.

suchcase,

the

meter

will

stillreserve

the

materialcodebeforeexiting.

4.4

Itis

unnecessary

select

the

materialcode

once

the

materialcode

confirmed

(automatically

stored

tothe

memory

ofthe

meter)

unless

the

material

measure

different

fromthatbefore.

4.5

browse

the

material

code

selected,

only

press

the

"Select

Key

3-5".

quitbrowsing,

onlypress

the

"Select

Key

3-5"

again

wait

till

the

codeautomaticallychange

to"0"

after

severalseconds

orthe

meter

wjll

automatically

quit

measurementstate

measuring.

CALIBRATION

5.1

Drop

little

oilonthe5 mm

"StandardBlock

3-12".

5.2

Press

the

"Calibration

Key

3-8",

the

"CAL"

shown

onthe

Display."CAL"

isthe

short

for

calibration.

5.3

Press

the

"Sensor3-7"

onthe

standardblock.

The

couplingsymbol

"«•»"

isonif

couplingwell.

"5.0"

mm(or

"0.198"inch)

and

"CAL"will

shown

onthe

Display

turn.Whensteady,

press

"CAL

Key

3-8"

confirm

and

then

the

unit

return

tothe

state

measurement.

5.4

The

calibrationresultwill

auto-saved

tothe

unitonceconfirmation.

Itis

unnecessary

calibrateoftenunless

you

suspect

the

accuracy

measurement

MEASURINGPROCEDURE

6.1

Press

the

"Power

Key

3-4"

turn

onthe

unit.

6.2

Press

the

"mm/inch

Key

3-3"

select

the

right

measurementunit.

6.3

Press

the

"Sensor3-7"onto

the

material

surface

measure

onthe

premise

that

the

materialcodeselected

right.

surethat

coupling

well

andthe

"Symbol

«•»

3-11"

ison.

The

reading

display

isthe

measurement

value.

6.4The

reading

held

till

a new

measurement

value

coming.

The

last

value

held

onthe

display

till

the

power

off.

6.5

There

are2

modes

turn

offthe

power,

i.e.

Manual

offatany

time

pressing

the

power

key

Autopower

off

afterabout

minutesfrom

last

key

operation.

MEASURING

VELOCITYSETTING

7.1

Press

the

"VEL

Key

3-13"

andthe

display

shows

the

velocity

set

lasttime.

7.2Howto

measure

its

thickness

bythe

velocity

known

The

velocity

canbe

changed

pressing

the

"PlusKey"

"Minuskey"

tothe

value

known

velocity.

The

increment

10m/severytime

first

whenpressing

the

plus

"MinusKey".

And

the

increment

100m/s

depressing

the

key

for

morethanabout

seconds.

7.3

Drop

little

oil

onto

the

material

measure

and

press

the

"Sensor3-7"onto

the

surface.

The

reading

onthe

display

isthe

thickness

couplingwell.

Soifwe

haveknown

the

velocity

ofa

certainmaterial,

itis

easy

measure

the

thickness

7.2.

7.4

Howto

measure

the

thickness

bya

sample

known

thickness?

Just

geta

sample

knownthickness.Then

repeat

7.2and7.3

till

the

measurementvalue

totally

same

asthe

known

thickness.

such

case,

theset

value

isthe

velocity

ofthe

material

measure,

which

youcan

measure

any

unknownthickness

same

material.

7.5

browse

the

velocity,

onlypress

the

"VEL

Key

3-13".

quit

browsing,

only

press

the

"VEL

Key

3-13"again

wait

till

the

meter

automaticallyshow"0".

7.6

Byuseof

velocitymeasurement,

itis

easy

measure

the

thickness

ofany

hardmaterials.

BATTERYREPLACEMENT

8.1

When

the

batterysymbolappears

onthe

display,

itis

time

replace

the

batteries.

8.2

Slide

the

BatteryCoverawayfrom

the

instrument

and

remove

the

batteries.

8.3

Install

batteries

paying

careful

attention

polarity.

8.4

Installbatteriespayingcarefulattention

polarity.

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