
PCE-TG 250 / Manual
TECHNICAL DATA
DISPLAY 128X64 PIXEL LCD WITH BACK LIGHT
MEASURMENT RANGE
- STANDARD 1.0 mm TO 250 mm IN STEEL DEPENDING OF THE PROBE
- THROUGH COATING 4 mm – 18 mm
TOLERANCE +/-0.02 mm IN STEEL
DISPLAY RESOLUTION 0.01 mm ( Less than 100.0 mm )
0.1 mm ( over 100 mm )
BULIT-IN STANDARD BLOCK 4.00 mm
VELOCITY RANGE 1000-9999 m/s
POWER 2 EA. 1.2 V AA BATTERY
OUTSIDE DIMENSION 149X73X32 mm
WEIGHT 350 g

FEATURES:
AUTOMATIC SELF CALIBRATION
COUPLANT INDICATOR
AUTOMATIC POWER OFF DEVICE
HIGH-LOW LIMIT ALARM
LCD BRIGHTNESS ADJUST
THROUGH COATING CAPABILTY
THROUGH COATING MEASUREMENT
500 DATA READING STORAGE WITH DIFFERENT 5 MEMORY FILES
LOW BATTERY INDICTOR
INTRODUCTION OF THE GAUGE

OPERATING PROCEDURE
STANDARD MODE:
1. INSTRUMENT AND PROBE
PLUG THE PROBE TO THE THICKNESS GAUGE CONNECOTR. PRESS KEY, HEAR BI-BI
SOUND THEN LCD DISPLAY TURN ON AND DISPLAY THE LAST SET VERLOCITY. DISPLAY AS FOLLOWING
THICKNESS GAUGE SYSTEM SETTING
SYSTEM SETUP
PRESS GAUGE KEY TURN ON THE GAUGE, LCD WILL DISPLAY
PRESS MENU KEY 2 TIME. THEN PRESS ENTER KEY , DISPLAY FOLLOWING
System Setup
Function Setup
Outside alarm
[enter] to select
↓to down
PRESSS ENTER KEY AGAIN, DISPLAY FOLLOWING SCREEN
Units METRICS ( CAN PRESS SELECT INCH OR METRICS UNIT )
Resolution HIGH ( HIGH=HIGH RESOLUTION DISPLAY 0.01 mm )
Min Capture ON ( CAPTURE MIN MEASUREMENT THICKNESS )
2-Point CAL OFF ( OFF=SINGLE POINT AND ON=2-POINT CAL )
LANGUAGE ENGLISH
↓to down
USE KEY MOVE HIGH-LIGHT CURSOR UP AND DOWN. USE ENTER KEY TO CHANGE THE
SETTING

AFTER SETTING COMPLTED, PRESS MENU KEY 2 TIMES BACK TO THE MEASUREMENT FUNCTION
FUNCTION SETUP
PRESS GAUGE KEY TURN ON THE GAUGE, LCD WILL DISPLAY
PRESS ENTER 2-TIMES, PRESS ENTRY KEY, USE KEY MOVE HIGH LIGHT
CURSOR TO FUNCTION SETTING, PRESS THEN USE KEY MOVE HIGH-LIGHT CURSOR
DOWN TO THE FOLLOWING DISPLAY
Erase file
Erase all data
Erase cal data
[ENTER] to select
UP AND DOWN LIMIT ALARM SETTING
PRESS GAUGE KEY TURN ON THE GAUGE, LCD WILL DISPLAY
PRESS MENU KEY 2 TIME. PRESS KEY UNTIL HIGH-LIGHT CURSOR MOVE TO THE
OUTSIDE ALARM, THEN PRESS ENTER KEY, DISPLAY FOLLOWING
USE KEY TO ADJUST THE LOW LIMIT THICKNESS,

THEN PRESS ENTER TO SET HIGH LIMIT THICKNESS
AFTER SETTING, PRESS MENU 2-TIMES BACK TO THE MEASUREMENT FUCTION. WHEN THICKNESS
MEASUREMNT OVER THE RANGE 0.10 mm – 200.0 mm, THE THICKNESS GAUGE BEBER START TO
ALARM.
2. VELOCITY SETTING
IF USER ALREADY KNOW THE MATERIAL VELOCITY. USER CAN USE MANUAL ADJUST THE
VELOCITY FROM REFERENCE CHART. THE GAUGE CAN STORED 5 DIFFERENT MATERIAL VELOCITY
IF THE DISPLAY VELOCITY IS NOT REQUIRED, THEN PRESS VEL KEY SELECT THE VELOCITY
FROM MEMORY, THEN PRESS ENTER KEY.
IF THE 5 STORGED VEL ARE NOT THE TEST MATERIAL VEL. THEN USE
KEY ADJUST THE VEL DISPLAY UNTIL MEET REQUIRED VEL. THEN USER CAN PREE
ENTER KEY STORE THIS VEL FOR MEASUREMENT THE SAME MATERIAL NEXT TIME
IF THE VEL IS UNKNOWN, USE THE TOOLS MEASURMENT THE TEST SPECIMEN THICKNESS. PUT
PROBE ON THE SPECIMEN. USE KEY ADJUST THE THICKNESS DISPLAY SAME AS
TOOLS MEASUREMNT.
PRESS VEL TO GET DISPLAY OF SPECIEMN VEL AND STORED THE VEL TO THE MEMORY.
PRESS VEL KEY ENTER VEL SETTING
PRESS VEL KEY AGAIN TO SELECT THE 2’NDSTORED VEL

USE KEY ADJUST THE VEL DISPLAY UNTIL MEET REQUIRED VEL
3. INSTRUMENT CALIBRATION
IT’S NECESSARY TO CALIBRATE WHEN CHANGE THE PROBE OR TURN ON THE INSTRUMENT.
DURING THE OPERATING, OPERATOR NEEDED FREQUENCY RETURN BACK AND CALIBRATION AGAIN.
SINGLE POINT CALIBRATION
SET THE VEL TO 5900 m/s, PUT SOME COUPLANT TO THE GAUGE SIDE BLOCK. PRESS THE
PROBE TO THE BLOCK, WAIT UNTIL COUPLANT INDICATOR NOT FLASH. PRESS CAL KEY, THE
DISPLAY WILL SHOW 4.00 mm.
TWO POINT CALIBRATION
TO GET MORE PRECISION MENSURMENT, TWO POINT CALIBRATION IS NECESSARY
GET A STEP BLOCK ( AT LEAST TWO DIFFERENT THICKNESS AND COVER THE MEASURMENT
RANGE.
PRESS MENU TWO TIME UNTIL CURSOR TO THE MENU PRESS ENTER , ENTER THE
SYSTEM SETTING MENU AS FOLLOWING
System Setup
Function Setup
Outside alarm
[enter] to select
↓to down
PRESS TO System Setup, then press key

PRESS KEY UNTIL DISPLY HIGH LIGHT AS FOLLOWING
Resolution: HIGH
Min Captyre: OFF
2-Point CAL: OFF
[enter] to select
↑TO UP ↓to down
PRESS ENTER KEY CHNANGE THE 2-POINT CAL: OFF INTO ON
Resolution: HIGH
Min Captyre: OFF
2-Point CAL: ON
[enter] to select
↑TO UP ↓to down
PRESS MANUAL BACK , THEN PRESS KEY AGAIN TO THE DISPLAY SCREEN.
PUT COUNPLAT ON THIN BLOCK, MOVE THE PROBE ON THE THIN BLOCK. PRESS CAL KEY,
DISPLAY SHOWTHE THIN BLOCK THICKNESS.
USE KEY TO ADJUST THE THIN THICKNESS DISPLAY UNTIL MEET BLCOK THICKNESS
VALUE. THEN PRESS CAL KEY AGAIN. DISPLAY

USE KEY TO ADJUST THE THICK THICKNESS DISPLAY UNTIL MEET BLCOK THICKNESS
VALUE. THEN PRESS CAL KEY AGAIN. COMPLETE THE 2-PINT CALIBRATION SETUP.
4. THICKNESS MEASUREMENT
AFTER CALIBRATE AND SETUP THE THICKNESS GAUEG, PUT SOME COUPLANT ON THE TEST
SPECIMEN. MOVE AND PRESS THE PROBE ON THE SPECIMEN, LCD NOW DISPLAY THE ACTIUAL
THICKNESS MEASUREMENT READING.
WHEN PROBE AND TEST SPECIMEN COUPLANT IS GOOD, THE DISPLAY WILL SHOW COUPLANT GOOD
INDICATOR. WHEN LIFT-OFF THE PROBE THE THICKNESS DISPLAY NO CHANGE BUT COUPLANT
INDICTOR DISAPPEAR.
5. LOW BATTERY INDICATOR
WHEN THICKNESS GAUGE POWER WAS NOT ENOUGH, THE LOW BATTERY INDICATOR WILL DISPLAY
ON THE LEFT BOTTOM ON DISPLAY LCD.
6. TURN POWER OFF THE THICKNESS GAUGE
UM-2D HAVE 2 WAYS TO TURN OFF THE POWER.
6.1 AUTO TURN OFF
- IF THE THICKNESS GAUGE WAIT 3 MIN NOT MEASUREMENT, THE THICKNESS GAUGE WILL
TURN-OFF AUTOMATICALLY
6.2 MANUAL TURN OFF
- PRESS MENU UNTIL HIGH LIGHT TO OFF INDICATOR, PRESS KEY TO TURN OFF THE
THICKNESS GAUGE
7. THICKNESS DATA STORAGE AND RECALL
7.1 THICKNESS DATA STORAGE
THE THICKNESS DATA CAN BE STORGED WITH 5 DIFFERENT FILE NAME. EACH FILE NAME CAN

STORGED 100 READING.
PRESS KEY, MOVE DISPLAY LCD HIGH LIGHT CUSOR TO SAVE1.
PRESS KEY CAN SELECT SAVE1, SAVE2,SAVE3, SAVE4, SAVE 5 FILE NAME
PUT PROBE ON THE SPECIMEN GET READING1, PRESS KEY. THE LEFT BOTTOM SIDE WILL
SHOW MEMORY, THIS MEAN, THE READING 1 ALREADY STORAGED IN THE FILE 1. CONTINOUS TO DO
THE STORAGE OF READING 2.3.4…..
7.2 THCINESS DATA RECALL
PRESS KEY, MOVE DISPLAY LCD HIGH LIGHT CUSOR TO SAVE1.
PRESS KEY CAN SELECT SAVE1, SAVE2,SAVE3, SAVE4, SAVE 5 FILE NAME
PRESS KEY. THE LCD DISPLAY
No.001 IS THE FILE NAME
Total: 005 MEANS FILE NAME No 1 HAVE 5 STORAGE DATA, USE KEY
TO CHANGE THE POINT READING
DELIETE

DELIETE THE SINGLE POINT READING
ENTER THE RECALL CONDITION
USE KEY TO CHANGE THE POINT READING, SELECT THE POINT WANT TO DELIETE.
PRESS KEY, DELIETE THIS POINT.
DELIETE THE WHOLE FILE
PRESS GAUGE KEY TURN ON THE GAUGE, LCD WILL DISPLAY
PRESS ENTER 2-TIMES, PRESS ENTRY KEY, USE KEY MOVE HIGH LIGHT
CURSOR TO FUNCTION SETTING, PRESS THEN USE KEY MOVE HIGH-LIGHT CURSOR
DOWN TO THE FOLLOWING SCREEN.
Erase file
Erase all data
Erase cal data
[ENTER] to select
PRESS , THE SCREEN DISPLAY
Press [ ENTER]
To confirm
Press [ MENU ]
to cancle
AFTER PRESS KEY, IT WILL SHOW ERASE FILE 1

8. BACK LIGHT
INSTRUMENT OFFER LCD BACK-LIGHT DEVICE FOR DARK AREA READING.
PRESS KEY TURN ON THE LCD BACK LIGHT. PRESS AGAIN KEY
CAN TURN OFF THE BACK LIGHT
THROUGH COATING MODE
UM-2D CAN MEASURMENT THE THICKNESS WITHOUT MOVE THE COATING.
PRESS KEY TURN ON THE GAUGE.
PRESS KEY MOVE THE HIGH LIGHT CURSOR TO Std. PRESS KEY TO CHANGE INTO
Coat. NOW THE GAUGE UNDER THOUGH COATING MEASURMENT MODE
PUT A SHIM ON THE 4 mm CALIBRATION BLOCK. PUT COUPLANT AND PROBE. PRESS THE KEY,
CALIBRATED THE GAUGE DISPLAY TO 4.00 mm
THE REST OPERATING PROCEDURE ARE SAME AS THE STD MODE.