Measuring
Wheels
SO EASY
TO SET UP AND OPERATE, ANYONE CAN DO IT.| ROLLER BOY FROM YAMAYO.......... A MORE ACCURATE, MORE AFFORDABLE PRECISION MEASURING WHEELS. |
 |
| VERSATILE USE such AS... | |
| Road construction,
Civil engineering projects, Records or prescriptions of traffic accidents, Recreation events, School use materials, Gardening & golf-course layouts, Gas &water piping, Rail track, Lumbering, Pipeline and more!!! |
|
| Grip easy to handle and Arrow-headed plate for zero setting. |
FEATURES:
- Easy to set up and can
operate by one person.
- Precision 5 digit
large counter (housed in sturdy ABS case) to read out
easily.
- Adjustable telescopic
aluminum handle to your comfortable level by twistig,
pulling up and pushing down.
- Arrow-headed plate for zero setting.
- Wide tire (28mm) used for stable measurement.
- Tire made of heatproof and durable rubber.
- Less wobbly wheel as the axle fixed at 2 points in the case.
| MODEL | WHEEL | MIN.GRAD. |
|---|---|---|
| RB20S/RB20SS | Single | 10cm |
| MAX. DISTANCE. | WHEEL DIA. | WEIGHT |
|---|---|---|
| 10km | 20cm | 620g |
| MODEL | WHEEL | MIN.GRAD. |
|---|---|---|
| RB20S1 | Single | 1cm |
| MAX. DISTANCE. | WHEEL DIA. | WEIGHT |
|---|---|---|
| 1km | 20cm | 620g |
| MODEL | WHEEL | MIN.GRAD. |
|---|---|---|
| RB20D | Double | 10cm |
| MAX. DISTANCE. | WHEEL DIA. | WEIGHT |
|---|---|---|
| 10km | 20cm | 870g |
| MODEL | WHEEL | MIN.GRAD. |
|---|---|---|
| RB20D1 | Double | 1cm |
| MAX. DISTANCE. | WHEEL DIA. | WEIGHT |
|---|---|---|
| 1km | 20cm | 870g |
CAUTION:
Walk moderately during you are measuring. Due to precision mechanism of the counter, push the reset button surely by hand of finger when setting back to zero. (Do not use foot for resetting the button.)
To keep the unit good condition, remove mud or sand after use. Do not use in the rain or in the muddy places for MODEL RB20S1/RB20D1.
Walk at slow pace when measuring for MODEL RB20S1/RB20D1, otherwise fast walk will exceed the limit of the counter's measuring ability.
Walk moderately during you are measuring. Due to precision mechanism of the counter, push the reset button surely by hand of finger when setting back to zero. (Do not use foot for resetting the button.)
To keep the unit good condition, remove mud or sand after use. Do not use in the rain or in the muddy places for MODEL RB20S1/RB20D1.
Walk at slow pace when measuring for MODEL RB20S1/RB20D1, otherwise fast walk will exceed the limit of the counter's measuring ability.
