POWERCELL 無與倫比的性能，可稱重高達 500 公噸
What is a weighbridge and how does it work?
A weighbridge, also known as a truck scale, is system of several components that work together to provide weight readings when a truck drives on to the scale. Comprised of a foundation, bridge or deck, load cell system, terminal, and any accessories. These parts work together to provide a weight that can be used for a monetary transaction, inventory tracking, and to check legal weight limits for off-road and over-the-road travel. Weighbridges/truck scales can range in size to accommodate the small farmer, to multi-national aggregate facilities.
How much does a weighbridge cost?
The cost of a weighbridge can vary depending on several variables including:
- size such as truck scale module length or custom wider width,
- material such as steel or concrete deck,
- load cell system purchased with the weighbridge,
- varying installation costs depending on the complexity of the installation,
- weighbridge management software and accessories desired with the scale
When shopping for a truck scale however, it is important to consider the long term costs associated with your purchase. At METTLER TOLEDO, we believe your truck scale should last you 20 years or more. Over time as parts fail, the cost to service and replace components of your weighbridge can add up. Investing in a higher quality scale up front can save you thousands of dollars in the future.
How long does a weighbridge last?
METTLER TOLEDO believes a weighbridge is a long term investment that should last 20 years or more. However this can vary depending on usage, environment and construction quality of the scale. For example, a scale seeing only 50 trucks per day will likely have a longer life than a scale seeing 500 trucks per day. When shopping for a truck scale, it is important to ask questions about the life cycle testing that is done to prove scale longevity. Most companies use FEA computer simulated design testing to prove their scale designs. METTLER TOLEDO goes a step further by performing true life cycle tests on all scale models before they ever see the public market. With our one of a kind module masher, we test our designs between 1 to 2 million cycles - or 20 years of heavy use. This proof, along with our long history of quality truck scales still in use - is a testament to the longevity of our truck scale.
What is the difference between analog and digital load cells?
Weighbridges with traditional analog systems must include a summing box or junction box. Junction boxes are more susceptible to interference from the environment, such as:
- water damage to jbox and cables,
- accuracy fluctuation from temperature,
- failure from lightning strike
Additionally, they are proven to be less accurate than digital systems. POWERCELL load cells from METTLER TOLEDO offer improved environmental protection and accuracy. By removing junction boxes from our POWERCELL PDX systems we have eliminated the biggest cause of weighbridge failure. In fact, our field gathered service data shows that our load cells have a failure rate of less than 0.02% - unprecedented reliability for your truck scale. POWERCELL PDX cells also include additional post signal processing after the A to D conversion that helps to eliminate errors caused by temperature, linearity and hysteresis - leading to a more pure and thus more accurate weight reading on the truck scale.
Are you constantly replacing load cells for your weighbridge? Discover load cell upgrade kits.
Load cell upgrade kits are available for truck scales where the bridge is still in good shape. If your weighbridge is still fairly new, but your load cell system is breaking down often - then you could be a good candidate for an upgrade kit from METTLER TOLEDO. Upgrading your truck scale to a POWERCELL PDX system will give you all the benefits of a new scale, including:
- improved accuracy
- improved reliability
- reduced breakdowns
- less cost in service fees
- a longer scale life
At a fraction of the cost of a new weighbridge.
How can I automatically track the transactions at my weighbridge?
Tracking the inventory and transactions that pass over your scale can be challenging, especially if you are still utilising hand written transactions or out dated software. These systems also allow for a large margin of human error. With DataBridge, METTLER TOLEDO's Data Management Software the process can be fully automated. Benefits include:
- improved inventory tracking/tracing
- reporting functionality
- interfacing with unattended terminals
- plug in technology for user built applications
- advanced fraud prevention
Allowing you to focus on the many other facets of your operation that need your time.
What are the most common ways customers can cheat a weighbridge?
Cheating at the truck scale is becoming more common and cheaters are becoming more sophisticated all around the world. Many businesses spend time and money protecting their facility with gates and guard shacks, but don't know that they could be getting robbed at the truck scale. We have targeted the top 5 ways truck drivers can cheat at the truck scale, including:
- Improper Positioning
- Load Cell Tampering
- Lightening the Load
- Disappearing Goods
- Data Altering
Download our free Fraud Prevention Guide to learn more.
How often should I calibrate my weighbridge?
The frequency of weighbridge calibration will vary from site to site, and is heavily influenced by usage. A truck scale seeing 50 trucks per day will not need calibrated as often as one seeing 400 trucks per day. Additionally the environmental conditions can play a role in how often a scale needs calibrated. The best way to determine the need at your site is to schedule a health check with a METTLER TOLEDO service technician. Based off the results of your check and the information you are able to provide on usage they can make a recommendation on calibration and other preventative maintenance procedures.
Other than calibration what else should I do to care for my weighbridge?
While calibration is an important part of caring for your weighbridge and ensuring accuracy, there are many other preventative maintenance actions that can be taken to extend the life of your scale. A few points to consider:
- how you can keep your scale clean
- scheduled maintenance to avoid break downs
- checking terminal error logs
- inspecting load cells
To learn more about the measures you can take to care for your weighbridge, download our Preventative Maintenance Guide.
探索我們的服務 - 為您的設備量身打造
這些小盒子會帶來重大問題。 必須打開接線盒以進行校正，並為過磅橋提供服務，進入的水分及其他碎片最終會損壞內部的敏感連接和電路。 不論接線盒設計得多麼密封，它們仍然是導致過磅橋發生問題的最常見原因。 只有POWERCELL PDX數位荷重元使用菊花鍊連接，無需使用接線盒。
眾所周知，傳統的類比荷重元在過磅橋中壽命有限。 靜載荷重元很難進行診斷，更換成本昂貴，需要一個複雜的程序，其中包括重新校正過磅橋。 與傳統的類比荷重元相比，POWERCELL荷重元的故障率不到0.02%，在全球已安裝數百萬台，可提供業內領先的準確度和可靠性。
雨、冰、雪和潮濕會損壞荷重元的連接，是很多過磅橋組件的敵人。 整個POWERCELL PDX荷重元系統是可浸水的，獲得了IP68和IP69K防水認證，淋雨毫無問題。
纜線損壞可能由防旋轉功能失效導致而成，這會使得荷重元緩慢旋轉，讓纜線纏繞在荷重元周圍，並拉動纜線。 嚙齒動物也有用牙齒「測試」荷重元的習慣。 當傳統的類比荷重元損壞時，必須更換整個荷重元。 有了PDX的不銹鋼保護套纜線，不太可能發生破損，但如果發生破損，可以透過獨特的玻璃-金屬鎖定系統輕鬆將其取下。 只更換纜線比更換整個荷重元便宜得多。
如果您（和您的預算）都清楚明白這些問題，那麼您該瞭解一下METTLER TOLEDO的 POWERCELL® PDX®荷重元。 透過提供前所未有的10年保固，METTLER TOLEDO現在能夠支援我們的高級POWERCELL® PDX®荷重元。 所提供的荷重元具有業界領先的準確度和可靠性、更低的總擁有成本，以及目前領先業界的10年全面保固。