The
Weigh Bar Principle of Operation
Batching
Weigh Bar Brochure
Avery Weigh Tronix's Weigh Bars and instrumentation convert existing bins,
tanks or hoppers into accurate dependable weighing systems. A wide selection of
Avery Weigh-Tronix's Weigh Bars come in sealable (Class III, 5, and non-sealable
(0.25%) versions with capacities from 125 to 200,000 pounds. These Weigh Bars
support both base-mounted and suspended installations. Although epoxy painting
gives long-term corrosion protection to the Weigh Bars, Avery Weigh-Tronix
offers stainless steel versions for specialized food and chemical applications.
Fast, inexpensive installation
Avery Weigh-Tronix's bulk weighing systems can be installed quickly and easily,
with minimum disruption from normal business activity. There are no stay rods to
install and no moving parts to adjust or balance.
Remote weight indication
The digital weight indicator can be installed anywhere you want it, at the
weighing site or at a supervisory station up to 400 feet away. Accessory remote
displays with large, 4-inch or 6-inch high digits are also available.
Minimal servicing costs
Because the system is all electronic, with no shock-sensitive check rods or
delicate moving parts to keep adjusted, maintenance is kept to a minimum. This
saves money, not only in service charges, but also in system downtime.
Multiple bin weighing
Optional selector boxes make it possible to monitor several bins, one at a time,
with a single indicator.
Relays operate gates or valves automatically
The Avery Weigh-Tronix bulk weighing system can be expanded with optional set
points. These enable the basic system to control loading or unloading of
containers with relays that are activated whenever preset weight readings are
reached.
A simple system
A Weigh Bar weight sensor is placed under each leg of the container (or at each
suspension for a hanging installation). As weight is placed on the Weigh Bar,
the electrical current running through the bar is changed. The altered current
from each Weigh Bar is brought to and combined at a junction box. From here it
is carried by an interface cable to the indicator which converts the current to
a digital weight display.
Two-year warranty
The Weigh Bar Principle - The Heart of the System
The Weigh Bar is a fully electronic method of weighing loads. A steel bar, fixed
at one end, bends while electrical current is run through strain gauges fixed on
the top and bottom of the bar. The change in current is translated by the
indicator into a weight reading.
Another important characteristic of the Weigh Bar is that it is designed so that
it cancels out the effects of side, end and torsion loads. And, because it is a
solid steel bar and the strain gauges are protected by potting compound and a
steel "can," the Weigh Bar is tough and reliable as well as extremely accurate.
Options
Remote displays - Provide highly visible, 4" or 6" high numerals of digital
readout at any location,
Printers - Pair a ticket or tape printer with Avery Weigh-Tronix Indicators
(Gross, Tare, Net version) and use the multiple memory channels to store weight
information, and print out totals, subtotals, I.D. numbers, time, and date.
Junction boxes - Sum weight readings from more than one Weigh Bar and transfer
this to a weight indicator.
Environmental protection - In the case of harsh environments, stainless steel
covers or neoprene boots to protect the Weigh Bars are available for some
models.
