Applicable steel-bar diameter | 6mm ~ 50mm | ||
Tested range of concrete backing thickness | Low range: 6mm ~ 90mm; High range:7mm ~ 190mm | ||
Permissible error | Low range | High range | |
±1 | 6~59 | 7~79 | |
±2 | 60~69 | 80~119 | |
±4 | 70~90 | 120~190 | |
Tested range of steel-bar diameter | 6 mm~50 mm | ||
Permissible error of steel-bar diameter test | ±1 grade | ||
Applicable environmental | Temperature: -10ºC~+40ºC; Dampness: <90%RH EMI: no Strong electromagnetic field | ||
Power supply | 6 dry cells,work more than 30 times | ||
Power supply | 6 dry cells,work more than 30 times |