| Scale Type |
Advantages |
Disadvantages |
| Pit Type Scale |
1. no ramps required, level with pavement
2. easy access to scale components
3. no accumulation of snow / dirt under deck
4. can accept dump access to conveyor below |
1. requires expensive pit construction
2. not good for high water table locations
3. hazardous gases can collect in scale pit
4. safety issues related to pit |
| Low Profile Scale |
1. less expensive to purchase
2. less complex foundation requirements
3. available in a portable model
4. fewer problems with water drainage |
1. have to have ramps at both ends of scale
2. may require guard rails to keep truck on scale
3. inexperienced drivers may find it more difficult
4. debris / snow can accumulate under deck |
| Concrete Deck |
1. more robust than steel
2. doesn't rust
3. unaffected by most chemicals
4. better traction, less chance of falling |
1. more expensive
2. poor choice for portable scales
3. curing time required before use
4. concrete can / will crack |
| Steel Deck |
1. less initial cost
2. no extra labor required
3. no cure time required
4. doesn't crack |
1. can rust with use
2. affected by corrosive chemicals
3. slippery when wet
4. requires periodic maintenance |
| Full Electronic |
1. simple construction / fewer parts
2. easier to service
3. no wear
4. less expensive |
1. more wiring required
2. requires more power
3. increased sensitivity to lightning damage
4. requires one or more junction boxes |
| Electromechanical |
1. less power required may be battery operated
2. no junction boxes required
3. simpler wiring
4. less susceptible to lightning damage |
1. more expensive
2. subject to wear
3. greater complexity
4. more difficult to service |
| Bumper Bolt Restraint |
1. simple to install and adjust
2. inexpensive |
1. requires regular maintenance and adjustment
2. permits the weighbridge to move or "float"
3. potential for damage to scale foundation
4. may become noisy if improperly adjusted |
| Check Rod Restraint |
1. no maintenance required
2. does not allow movement in weighbridge
3. no potential for damage to scale foundation
4. quiet |
1. more expensive
2. more attention required in adjustment |
