The steel protective layer measuring instrument is a portable non-destructive testing instrument, which can be used for the detection of the construction quality of reinforced concrete structures. It can measure the position of the steel bars on the concrete surface, detect the thickness of the steel protective layer and the diameter of the steel bars. In addition, the magnetic properties inside the concrete structure can also be The position of the body and the conductor are detected, such as the internal cable of the wall, the plumbing pipe, etc., and the detection before construction can effectively avoid damage to these facilities during construction and reduce accidents.
| Specification model | GTJ-R800 | ||||
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Rebar diameter setting range(mm) |
∅6mm ~ ∅50mm | Host parameter | screen size:2.8inch | ||
| Small range | 1-80mm | Resolution:240×320 | |||
| Large range | 1-180mm | volume:220×93×110mm | |||
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Maximum thickness of protective layer |
±1(mm) | 1-59mm | weight:0.6kg | ||
| ±2(mm) | 60~100mm |
Data transmission method |
TF-card | ||
| ±4(mm) | 100-180mm | Power supply | lithium battery | ||
| Diameter estimation range | ∅6mm~∅32mm | storage |
2000member*1000 Measuring point |
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Diameter indication maximum error |
±1specification |
Working environment requirements |
temperature:-10℃~+40℃ | ||
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Profile measurement function |
stand by | humidity:<90%RH | |||
| Grid measurement function | stand by | other requirements |
Does not contain corrosive gases in the air |
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Waveform measurement function |
stand by |
No strong electromagnetic field interference. There should be no large vibration and shock |
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| Probe self-calibration | stand by | Avoid direct sunlight | |||