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DC-3000C SERIES ULTRASONIC THICKNESS GAUGE

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APPENDIX: SOUND VELOCITY MEASUREMENT CHART

Material

Sound Velocity

M/s

Inch/µS

Air

330

0.013

Aluminum

6300

0.250

Alumina Oxide

9900

0.390

Beryllium

12900

0.510

oron Carbide

11000

0.430

rass

4300

0.170

Cadmium

2800

0.110

Copper

4700

0.180

Glass(crown)

5300

0.210

Glycerin

1900

0.075

Gold

3200

0.130

Ice

4000

0.160

Inconel

5700

0.220

Iron

5900

0.230

Iron (cast)

4600

0.180

Lead

2200

0.085

Magnesium

5800

0.230

Mercury

1400

0.057

Molybdenum

6300

0.250

Polythylene

1900

0.070

Polystyrene

2400

0.0930

Polyurethane

1900

0.0700

Quartz

5800

0.230

Rubber, Butyl

1800

0.070

Silver

3600

0.140

Steel, Mild

5920

0.233

Steel, Stainless

5800

0.228

Teflon

1400

0.060

Tin

3300

0.130

Titanium

6100

0.240

Tungsten

5200

0.200

Uranium

3400

0.130

Water

1480

0.584

Zinc

4200

0.170

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Содержание DC-3000C Series

Страница 1: ...Ultrasonic Thickness Gauge DC 3000C series Instruction Manual V 2 05 ...

Страница 2: ...3 Treatment of the measured surface 6 8 Basic Gauge Operations 6 8 1 Switch on 6 8 2 Probe Zero 6 8 3 Contrast 7 8 4 Measurement mode 7 8 5 Setting 9 8 6 Memory 12 8 7 Function 14 9 Measuring technology 16 9 1 Measuring methods 16 9 2 Pipeline measurement method 17 10 Maintenance and precautions 17 10 1 Power check 17 10 2 Precautions 17 10 2 1 General precautions 17 10 2 2 Precaution during the m...

Страница 3: ...el aluminum titanium plastics ceramics glass and any other good ultrasonic wave conductor The DC 3000C DC 3020C accurately displays readings in either inches or millimeters 2 Technical Specifications Measurement range T E 0 65mm 400 00mm E E 3 00mm 25 00mm Resolution 0 01mm 0 001 0 1mm 0 01 Velocity range 1000m s 9999m s Measurement rate 4 s and 10 s in fast mode Average mode 2 to 9 times average ...

Страница 4: ...ain Unit Standard 5MHZ probe D5301 75ML Couplant Build in calibration block Cable DC 3020C Carrying case Operating manual Certificate 4 Overview the Display Unit 1 LCD Screen 2 Key Pad 3 Battery Pack 4 Probe connector 5 Standard Test Block 6 USB connector 2 1 3 4 5 6 ...

Страница 5: ...tion Return Key Storage Key Press this key to previous menu DC 3000C Press this key to store current data DC 3020C Contrast Adjustment Press this key to enter menu of Contrast and make adjustment Up arrow Key Achieve switch among the menu options in the menu operation Down arrow Key Calibration Key Achieve switch among the menu options in the menu operation Put the probe in the air press this key ...

Страница 6: ...s in the menu operation under the measurement Resolution setting between mm and inch 6 Display Screen Measurement Value When it is under measurement condition measurement value is in WHITE color When users remove the probe measurement value is frozen on the LCD and it is in BLUE color Current Velocity Current Probe model Gain setting Battery Life Resolution Measurement Mode Current memory location...

Страница 7: ...ording to the thickness of the workpiece to be measured Type Freq Meas rang Temp D 5301 5 0MHz E E 3 0 25mm T E 1 44 200mm 60 D5008 5 0MHz 0 8 300mm 60 D7006 7 5MHz 0 65 50mm 60 D7004 10 0MHz 0 65 20mm 60 D2012 2 0MHz 2 0 400mm 60 D5113 5 0MHz 2 0 200mm 350 Type Application D5301 Used in the thickness measurement through the coating E E and normal measurement T E D5008 Used common in many measurem...

Страница 8: ...e multiple measurements around the same testing point 8 Basic Gauge Operations 8 1 Switch on Select the probe and insert it into the probe socket and then press to switch on the instrument the screen displays the Series No and the version number If you did not insert the probe before switching on the instrument the screen will prompt you that Plug in the probe at this moment insert the probe into ...

Страница 9: ... measurement state Press or to make fine adjustment Press or to make rough adjustment 8 4 Measurement mode There are 2 measuring modes provided T E mode and E E mode Users can select different measuring modes according to their requirements and measuring environments Press into the measurement mode setting Press or to select desired measurement mode Press to confirm selection Press to Esc Menu and...

Страница 10: ...ying the qualified products whose thickness is in the admissive error Average mode DC 3020C Provides the average value of 2 to 9 measured points and display it suitable for testing the flat surface Limitation setting DC 3020C Set the upper and lower limit when the measured thickness exceeds the preset limit it will display and give alarm this measurement mode is more widely used than differential ...

Страница 11: ... 9 different materials which can be select by yourself The 9 materials are aluminum titanium steel stainless steel glass copper brass polystyrene cast iron Press into SETTING Velocity rate Material Press or to select material needed Press to confirm Notice the 9 values are just the theoretic values if users want to get accurate measurements please refer to the Velocity measurement and get the more...

Страница 12: ...he measuring error If the error is not enough to influence the measuring accuracy it can be neglect otherwise it is necessary to get the accurate sound velocity of the workpiece to be measured The velocity measurement can be used the usage is as follows Select T E mode Velocity can be neglect and directly measure the sample which thickness is known Press key into the menu SETTING Vel Rate Vel meas...

Страница 13: ...pose of getting a accurate value Press key into Resolution Press or to select resolution and unit 1 0 1 mm 2 0 01 mm 3 0 01 in 4 0 001 in Press key to enter confirm Notice When probe D5113 and D2012 is selected it is recommended to use 0 1 mm and 0 01in 8 5 3 Probe Calibration It will cause error during the primary stage of usage and operating this caused by the following three aspects 1 The probe...

Страница 14: ...o adjust the measured value as the same as the value of sample that is measured Press to confirm Notice Please notice that calibration range is within 0 25mm If it is out of range which means users should replace a new probe 8 6 Memory DC 3020C Press into the menu and then go into Memory the screen will display 1 Memory unit 2 Memory read 3 Delete memory 4 Data transfer Press or into the selected ...

Страница 15: ...n number after take away the probe from the workpiece each time Notice Users cannot set location number it begins as 000 and plus1automatically after users store each test result 8 6 2 Memory Read Press into the menu Memory Memory read Under the measurement Press or to select desired Alphabet Then the desired group of value can be readable by pressing or 8 6 3 Delete Memory Press into the menu Mem...

Страница 16: ... and new disk is auto identified 3 If it is completed users double click U disk then Alphabet shows on the screen of PC 4 Click each Alphabet users could check the data stored in the form of TXT or copy to Word or Excel for further analysis 8 7 Function Press into the menu FUNCTION screen shows 1 Switch off mode 2 Gain setting 3 Language 4 Contrast 5 Default 6 Information Press or into the selecte...

Страница 17: ...ent measured objects and different measuring environment users should adjust the work status of the instrument to meet more measurements For many materials and measuring conditions auto gain adjustment can be used but for some special measurement adjusting the instrument s working status is necessary There are four different working modes Auto Low medium and high Auto match different probe and mee...

Страница 18: ...use of the parameters setting 8 7 6 Information The screen displays the version number and Probe Number 9 Measuring technology 9 1 Measuring methods The instrument provides many measuring methods 1 Single point measuring method use the probe to measure any point of the workpiece to be measured and the displayed value is the thickness 2 Two point measuring method Perform two measurements on the sam...

Страница 19: ...ar to the axial line of the pipeline and take the minimum readout as the thickness value 10 Maintenance and precautions 10 1 Power check When the power is low the low battery indicator will appear at this moment users should replace the battery in time or it will affect the measuring accuracy The backlight cannot be switched on for a long time because it is a big consumer of electricity Note if th...

Страница 20: ...ling agents attached on the measured surface when taking away the probe it will cause error so when the measurement is completed please move the probe away from the measured surface quickly If the probe wears out it will cause the displayed value unstable please replace the probe ...

Страница 21: ...00 0 210 Glycerin 1900 0 075 Gold 3200 0 130 Ice 4000 0 160 Inconel 5700 0 220 Iron 5900 0 230 Iron cast 4600 0 180 Lead 2200 0 085 Magnesium 5800 0 230 Mercury 1400 0 057 Molybdenum 6300 0 250 Polythylene 1900 0 070 Polystyrene 2400 0 0930 Polyurethane 1900 0 0700 Quartz 5800 0 230 Rubber Butyl 1800 0 070 Silver 3600 0 140 Steel Mild 5920 0 233 Steel Stainless 5800 0 228 Teflon 1400 0 060 Tin 330...

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