
3 . Technical Data:
Max. Range : 99999 ft
Accuracy : + / -0.5%
Suitable Temperature : -10℃-45℃
Diameter of the Wheel : 318 mm / 12.5 in
4 . Features
The wheel is made of bran-new ABS plastic covered with wearable rubber, a
strong and durable counter driven by mechanical gear, forward to increase the
measuring backward to decrease with a reset button aluminum foldable pole,
with double injection grips for a more comfortable feeling, and conform to the
ergonomics with stable and reliable stand.
5 . Usage
Unfold the pole , lock the connector by itself ( pic 2 ) . stretch the stand ( pic3 ) ,
reset the counter ( pic4 ) . put the wheel at the beginning , make sure the mark
( arrow ) pointing at the starting position , walk until the end of the measured
surface , read the counter . caution : make sure to walk as straight as possible if
walk over the end , just step backward to the end point.
6 . Warning
Please reset the counter before use at the direction indicated. Make sure the mark
( arrow ) is pointing at the starting position. The counter shows 00000 0m. If you
measure a straight line, walk as straightly as possible do not measure uneven
surfaces. Otherwise, the accuracy cannot be guaranteed. Please do not use it in
the rain for a long time. Please do not use or store it in an environment of high
temperature. Please do not use it as a toy to avoid unnecessary injury.
( pic 2 ) ( pic 3 )