The length/angle sensor is primarily used to detect the length of a crane's telescopic boom and serves as a critical sensor for the load moment limiter of telescopic boom cranes. Mounted on the crane's boom, its internal cable extends along with the boom, generating a signal proportional to the boom's extended length.
Select a long-range angle sensor based on the crane boom's maximum length. The crane load chart specifies the maximum boom length. If your maximum boom length is 30 meters, we recommend selecting a sensor with an effective detection range of 40 meters.
MODEL |
ANGLE MEASURING RANGE |
LENGTH MEASUREMENT RANGE |
LENGTH NONLINEARITY |
ANGLE NONLINEARITY |
WLA15 |
15m |
-10°~+90° |
≤0.2% |
≤0.15° |
WLA25 |
25m |
-10°~+90° |
≤0.2% |
≤0.15° |
WLA45 |
35m |
-10°~+90° |
≤0.2% |
≤0.15° |
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