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Ultrasonic Thickness Gauge
1.INTRODUCTION
| No. | Name | QTY | Notes | |
| Standard Configuration | 1 | Main Body | 1 set | |
| 2 | Standard Probe（5MHz,D10mm） |
1 pc | ||
| 3 | Couplant | 1 pc | ||
| 4 | ABS Case | 1 pc | ||
| 5 | Product Certificate | 1 pc | ||
| 6 | Warranty Card | 1 pc | ||
| 7 | Manual | 1 pc | ||
| 8 | 1.5V AA size | 2 pcs | ||
| Optional Accessories |
9 | Large diameter probe（2.5MHz） |
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| 10 | Large range probe（2MHz） |
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| 11 | Micro-diameter probe（7MHz） |
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| 12 | High temperature probe（5MHz） |
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| 13 | High temperature couplant |
6.WORKING CONDITIONS:
Working Temperature:－20℃~＋50℃
Storage Temperature:-30℃~＋70℃
Working Humidity:≤90％；
On surrounding, need to no strong vibration, strong magnetic field, corrosive medium or severe dust.
7.THE CHOICE TO PROBES：
| Name | Model | Frequency | Diameter | Testing Range | Min. area f |
Application |
| Large diameter probe |
N02 | 2.5 | 14mm | 3.0mm～ 600.0mm （steel） Below 40mm(Gray Iron HT200) |
20mm | casting work piece |
| Large range probe | N02 | 2 | 14mm | 3.0mm～ 600.0mm （steel） Below 100mm(Gray Iron HT200) |
20mm | casting work piece |
| Standard probe | N05/90° | 5 | 10mm | 1.0mm～ 600.0mm （steel） |
Φ20mm* 3.0mm |
General bent probe |
| Micro-diameter probe | N07 | 7 | 6mm | 0.28mm～ 80.0mm （steel） |
Φ15mm* 2.0mm |
thin work piece |
| High Temperature Probe | HT5 | 5 | 14mm | 3～200mm （steel） |
30mm | high temperature |
8.SOUND VELOCITY:
| Material | Velocity | |
| in/µs | m/s | |
| Aluminum | 0.250 | 6340-6400 |
| Steel, common | 0.233 | 5920 |
| Steel, stainless | 0.226 | 5740 |
| Brass | 0.173 | 4399 |
| Copper | 0.186 | 4720 |
| Iron | 0.233 | 5930 |
| Cast Iron | 0.173-0.229 | 4400-5820 |
| Lead | 0.094 | 2400 |
| Nylon | 0.105 | 2680 |
| Silver | 0.142 | 3607 |
| Gold | 0.128 | 3251 |
| Zinc | 0.164 | 4170 |
| Titanium | 0.236 | 5990 |
| Tin | 0.117 | 2960 |
| 0.109 | 2760 | |
| Epoxy resin | 0.100 | 2540 |
| Ice | 0.157 | 3988 |
| Nickel | 0.222 | 5639 |
| Plexiglass | 0.106 | 2692 |
| Porcelain | 0.230 | 5842 |
| PVC | 0.094 | 2388 |
| Quartz glass | 0.222 | 5639 |
| Rubber, vulcanized | 0.091 | 2311 |
| Water | 0.058 | 1473 |
Ultrasonic Thickness Gauge measuring with ultrasonic wave, is applicable for measuring the thickness of any material in which ultrasonic wave can be transmitted and reflected back from the other face.
The gauge can provide quick and accurate measurement to various work pieces such as sheets of board and processing parts. Another important application of the gauge is to monitor various pipes and pressure vessels in production equipment, and monitor the thinning degree during using. It can be widely used in petroleum, chemical, metallurgy, shipping, aerospace, aviation and other fields.
2.TECHNICAL SPECIFICATION:
Display：128*64 LCD with LED backlight;
Measuring Range：(0.28~600)mm（Steel）/(0.011inch-23.6inch)
Velocity Range：(1000~9999) m/s;
Resolution：0.01mm
Measuring accuracy：: ±（0.5%H+0.04mm);H is thickness value;
Measurement cycle：Single point measurement 6 times/per；
Storage：40 values of saved data
Power Source:2pcs 1.5V AA size
Working Time:more than 50 hours (LED backlight off).
Outline Dimensions:145mm*74mm*32 mm
Weight：245g
3.MAIN FUNCTIONS:
Capable of performing measurements on a wide range of material, including metals,plastic,ceramics,composites,epoxies,glass and other ultrasonic wave well-conductive materials.
Can collocate variety different frequencies,wafer sizes of probes；
Sound Velocity Calibration function as a known thickness;
Coupling status indicator showing the coupling status;
EL backlight, and convenience to use under dark environment；
Have the battery indicator function, can real-time display the remaining power
Auto sleep and auto power off function to conserve battery life；
Smart, portable,high reliability, suitable for bad environment, resist to vibration, shock and electromagnetic interference.
4.PRIMARY THEORY:
The digital ultrasonic thickness gauge determines the thickness of a part or structure by accurately measuring the time required for a short ultrasonic pulse generated by a transducer to travel through the thickness of the material,reflect form the back or inside surface, and be returned to the transducer.The measured two-way transit time is divided by two to account for the down-and-back travel path,and then multiplied by the velocity of sound in the material.
The result is expressed in the well-known relationship:
Where: H—Thickness of the test piece.
v----Sound Velocity in the material.
t----The measured round trip transit time.
5.INSTRUMENT CONFIGURATION:
Inquiry - Ultrasonic Thickness Gauge
