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Содержание R7900

Страница 1: ...Ultrasonic Thickness Gauge Instruction Manual R7900 www com information itm com 1 800 561 8187...

Страница 2: ...Preparing the Measurement Surface 10 Taking Thickness Measurements 10 Auto Power OFF 10 Sound Velocity Measurements of a Material with a Known Thickness 11 Sound Velocity Calibration 11 12 Two Point...

Страница 3: ...s Temperature 19 Material with Large Attenuation 19 Measuring Castings 19 Preventing Errors 20 Reference Test Pieces 20 Ultra Thin Material 21 22 Rust Corrosion and Pits 21 Error in Identifying Materi...

Страница 4: ...this service will apply Security Never attempt to repair or modify your instrument Dismantling your product other than for the purpose of replacing batteries may cause damage that will not be covered...

Страница 5: ...n 1 second Display 4 Digit LCD Backlit Display Yes Probe Length 3 36 Internal Memory Yes up to 500 readings 5 files up to 100 each Low Battery Indicator Yes Power Supply 2 AA Batteries Battery Life Ap...

Страница 6: ...n 1 Zero Button 2 Mode Button 3 Down Button 4 Enter Button 5 Up Button 6 Backlight ON OFF Button 7 Power Button 8 Save Browse Button 9 Velocity Button R7900 Ultrasonic Thickness Gauge Ultrasonic Thick...

Страница 7: ...ARM F1 5M 1 Measured Value 2 Menu Settings 3 Saved File Name 4 Ultrasonic Sensor Frequency 5 Alarm Thickness Settings 6 Battery Indicator 7 Minimum Capture Mode 8 Coupling Indicator 9 Gain Indicator w...

Страница 8: ...proper receiving gain see System Setup for details 3 Coat the 4mm calibration test block with coupling gel R7950 and place the sensor on the calibration test block while ensuring the coupling indicat...

Страница 9: ...5930 0 233 Case Iron 4400 to 5820 0 173 to 0 229 Lead 2400 0 094 Nylon 2680 0 105 Titanium 5990 0 236 SUS 5970 0 240 Epoxy Resin 2540 0 100 Ice 3988 0 222 Plexiglass 2692 0 106 Grey Cast 4600 0 180 Po...

Страница 10: ...the sensor firmly against the desired measurement area Note For most applications a single droplet of coupling gel is sufficient 3 Verify that the coupling Indicator appears on the LCD display 4 Read...

Страница 11: ...ons and press the button to confirm your selection 4 The LCD will display the sound velocity 5 Press the button to save the value if applicable Sound Velocity Calibration 1 Start by performing a zero...

Страница 12: ...slightly higher than the tested piece and the thickness of another test piece is slightly lower than the tested piece 2 Before carrying out 2 point calibration turn off the Minimum Capture function a...

Страница 13: ...ay the current measurement When it is lifted away it will display the minimum value of the measurement carried out while the MIN Indicator flashes for several seconds Measurements taken during the MIN...

Страница 14: ...stem Setup menu 3 When the required setting as shown below is highlighted press the button to select it and toggle between units Note To set brightness press button to enter the setting and use the an...

Страница 15: ...to select the required option as shown below Erase File Clears selected files Erase All Data Clears all saved files Erase CAL data Clears calibrating data 4 Press the button again to confirm YES or Me...

Страница 16: ...ues 5 If required press the button to erase the current saved value Maintenance Cleaning the Test Piece After taking a measurement clean the test pieces to prevent them from rusting If the pieces are...

Страница 17: ...tacts Applications Monitoring and verifying pipes and pressure vessels Industrial manufacturing Accessories and Replacement Parts CA 52A Soft Carrying Case R8888 Hard Carrying Case R7900 PROBE Replace...

Страница 18: ...rosstalk interlayer plate should be perpendicular to the axial line of the material under test For a pipe with small diameter the sensor s crosstalk interlayer plate can be both parallel and perpendic...

Страница 19: ...ticles and a not so dense structure The attenuation is due to the material s scatter and absorption of sound energy Coarse out phase structures and coarse crystal particles will cause abnormal reflect...

Страница 20: ...low limit of the sensor s measuring range you can use a test piece to determine the accurate low limit Never measure a material with a thickness lower than the low limit When the material under test i...

Страница 21: ...brate the meter with one material and then measure another material an error will occur Be careful in selecting the correct sound velocity Degradation of Probe The surface of the probe is allyl resin...

Страница 22: ...the utilization it will cause an error For most applications a single droplet of coupling gel coated evenly is sufficient When measuring a smooth surface use a gel with low viscosity such as the coup...

Страница 23: ...at 1 877 849 2127 or by email at info reedinstruments com to discuss the claim and determine the appropriate steps to process the warranty Product Disposal and Recycling Please follow local laws and...

Страница 24: ...Test Measure with Confidence Check out our latest Products www com information itm com 1 800 561 8187...