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TBTLWD-1G
TBTSCIETECH
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TBTLWD series Light Weight Deflectometer is a non-destructive(NDT) instruments, also called as dynamic deformation modulus tester (hand-held drop hammer deflection meter), it is used to determine the deflection capacity of the sub-grade under the dynamic load, thereby evaluating the bearing capacity and deformation of the sub-grade. It is applicable to the monitoring and inspection of foundation construction quality of railways, highways, airports, urban traffic, ports, terminals and industrial and civil buildings subjected to dynamic loads.
It is especially suitable for the detection of narrow sections of the site, such as the transition of roads and bridges (culverts) and the detection of shoulders, both line base and so on. It can quickly measure the dynamic deformation modulus EVD value.
TBTLWD series Light Weight Deflectometer is a non-destructive(NDT) instruments, also called as dynamic deformation modulus tester (hand-held drop hammer deflection meter), it is used to determine the deflection capacity of the sub-grade under the dynamic load, thereby evaluating the bearing capacity and deformation of the sub-grade. It is applicable to the monitoring and inspection of foundation construction quality of railways, highways, airports, urban traffic, ports, terminals and industrial and civil buildings subjected to dynamic loads.
It is especially suitable for the detection of narrow sections of the site, such as the transition of roads and bridges (culverts) and the detection of shoulders, both line base and so on. It can quickly measure the dynamic deformation modulus EVD value.
ASTM E2835-11
ASTM E2835-11
1. Imported sensors and some components are used for high test accuracy;
2. Use smart terminal to control test, which realize the wireless data collecting(TBTLWD-1GW only);
3. Easy operating, fast testing which make one point test consumes 35s;
4. The EVD value is automatically calculated and the curve is displayed, which is accurate and intuitive;
5. Handheld main unit with Bluetooth micro-printer, direct printing on site to ensure accurate and objective test results;
6. USB transmission interface, easy to connect with the computer;
7. This instrument simulates the impact of the train on the subgrade when driving at high speed;
8. Compared with the static load test, it can reflect the actual stress of the subgrade soil.
1. Imported sensors and some components are used for high test accuracy;
2. Use smart terminal to control test, which realize the wireless data collecting(TBTLWD-1GW only);
3. Easy operating, fast testing which make one point test consumes 35s;
4. The EVD value is automatically calculated and the curve is displayed, which is accurate and intuitive;
5. Handheld main unit with Bluetooth micro-printer, direct printing on site to ensure accurate and objective test results;
6. USB transmission interface, easy to connect with the computer;
7. This instrument simulates the impact of the train on the subgrade when driving at high speed;
8. Compared with the static load test, it can reflect the actual stress of the subgrade soil.
Usage range | Soil type | Various types of soil and earth and rock mixed fillers with a particle size not larger than 1/4 of the diameter of the load plate | ||
Range | 10Mpa≤Evd≤225Mpa | |||
Depth | 0~500mm | |||
Working environment | Temperature: -10℃~40℃ | Humidity: <90%RH | ||
Data acquisition device |
Adding load method | With 1pc geophone sensor Weight: 15kg, including hammer of 10kg drop weight drop value: 700±20mm Maximum impact: 7.07kN Impact duration: 18±1ms | ||
Loading plate | Weight: 15kg Diameter: 300mm Thickness: 20mm | |||
Handheld main unit | Deflection range | 0.10mm~2.00mm | ||
Capacity | 2000 groups of data (TBTLWD-1G) Refer to cell phone config, normally with 10G storage(TBTLWD-1GW) | |||
Screen size | 3inches (TBTLWD-1G) / 5 inch(TBTLWD-1GW) | |||
Power supply | Li-battery of more than 18hours(TBTLWD-1G) According to cell phone battery(TBTLWD-1GW) | |||
Display | Screen display (English)--TBTLWD-1G Cell phone app (English)--TBTLWD-1GW | |||
Data transfer | Cable transfer (TBTLWD-1G) Wifi transfer data (TBTLWD-1GW) | |||
Printer | Connection | Bluetooth | ||
Package |
Carrying case | Inside case material: engineering plastic measurement: around 420 × 140 × 335mm Weight: around 4.5KG | ||
Outside case material: aluminum alloy case Measurement: around 1230 × 400 × 400mm Weight: around 56KG | ||||
Usage range | Soil type | Various types of soil and earth and rock mixed fillers with a particle size not larger than 1/4 of the diameter of the load plate | ||
Range | 10Mpa≤Evd≤225Mpa | |||
Depth | 0~500mm | |||
Working environment | Temperature: -10℃~40℃ | Humidity: <90%RH | ||
Data acquisition device |
Adding load method | With 1pc geophone sensor Weight: 15kg, including hammer of 10kg drop weight drop value: 700±20mm Maximum impact: 7.07kN Impact duration: 18±1ms | ||
Loading plate | Weight: 15kg Diameter: 300mm Thickness: 20mm | |||
Handheld main unit | Deflection range | 0.10mm~2.00mm | ||
Capacity | 2000 groups of data (TBTLWD-1G) Refer to cell phone config, normally with 10G storage(TBTLWD-1GW) | |||
Screen size | 3inches (TBTLWD-1G) / 5 inch(TBTLWD-1GW) | |||
Power supply | Li-battery of more than 18hours(TBTLWD-1G) According to cell phone battery(TBTLWD-1GW) | |||
Display | Screen display (English)--TBTLWD-1G Cell phone app (English)--TBTLWD-1GW | |||
Data transfer | Cable transfer (TBTLWD-1G) Wifi transfer data (TBTLWD-1GW) | |||
Printer | Connection | Bluetooth | ||
Package |
Carrying case | Inside case material: engineering plastic measurement: around 420 × 140 × 335mm Weight: around 4.5KG | ||
Outside case material: aluminum alloy case Measurement: around 1230 × 400 × 400mm Weight: around 56KG | ||||
No. | Description | Standard/Optional | Quantity |
1 | Main Host | Standard | 1pc |
2 | Controller | Standard | 1pc |
3 | Printer with print paper | Standard | 1pc |
4 | Charger | Standard | 1pc |
5 | Instruction Manual | Standard | 1pc |
6 | Carrying Case | Standard | 2pcs |
No. | Description | Standard/Optional | Quantity |
1 | Main Host | Standard | 1pc |
2 | Controller | Standard | 1pc |
3 | Printer with print paper | Standard | 1pc |
4 | Charger | Standard | 1pc |
5 | Instruction Manual | Standard | 1pc |
6 | Carrying Case | Standard | 2pcs |
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