Page 318 - Flipbook_SolidDesignSoutheast2020

Weigh Feeders

Model 400 Series Weigh Feeders Acrison’s Series 400

“Weight-Loss-Differential” Weigh Feeders
Feature…
For reliable dry solids or liquid metering…
featuring Acrison’s unique, exceptionally precise and • Continuous metering accuracies
durable counterbalanced lever weighing systems that typically range between ± 0.25
are permanently calibrated and adjustment-free. to 1 percent or better (error), at
two sigma, based on a given num-
ber of consecutive one minute
Model Series 402, 403, 404, A405, 406 and 407 weighments.
“Weight-Loss- Differential” Weigh Feeders from Acrison… • Batch accuracies typically range
proven to be the most accurate and versatile continuous (or batch) between ± 0.1 to 0.5 percent or
weigh feeding concept for totally reliable, unattended operation in
scores of installations worldwide. better (error), at two sigma,
based on a given number of con-
Although “weight-loss” weigh feeding is now a proven, highly accepted con- secutive weighments.
cept – with the operating principle employed by the various weight-loss
feeder manufacturers similar in nature – distinct functional and physical • Exceptionally rugged, permanently
differences do exist…differences that determine the true viability of
the feeder and the type of overall performance that a user can real- calibrated counterbalanced weigh-
istically expect. ing mechanisms with Acrison’s
Unlike the common variety of “weight-loss” type weigh feeders, Acrison Ratiometric Digital Weight Resolver.
weighing systems are neither temperamental nor delicate, do not require
calibration, periodic or otherwise and are virtually maintenance-free. • Various type Acrison metering
They do not utilize load cell(s) for weight sensing. mechanisms.
Acrison “Weight-Loss-Differential” Weigh Feeders basically consist of an
Acrison positive-flow dry solids feeding mechanism, or positive displacement • Various Acrison multiprocessor
liquid pump – as an integral portion of a precision weighing and supply controllers.
system – where the rate of product discharge is precisely controlled on a
“Weight-Loss-Differential” basis by an Acrison designed and manufactured • Acri-Lok… scale disturbance
multiprocessor controller. The weigh feeders are fully digital.
protection… to ensure optimum
The positive metering mechanisms provided with all Acrison“Weight-Loss- metering accuracy at all times.
Differential” weighing systems, ensure the highest possible degree of reliable
dry solids handling performance available in the industry. • Feed rates range from 0.10
The “heart” of any weigh feeder is its weighing system. Acrison Model 403 pounds to 50 tons per hour.
“Weigh-Loss-Differential” Weigh Feeders employ an “Overhead” type
weighing system, while the Models 402 and 404 Series, A405, 406 and • Highest performance capability
407 Weigh Feeders utilize “Platform” type weighing mechanisms… both and reliability.
of which possess a remarkable track record for near-zero maintenance
and permanence of calibration. These novel, exceptionally reliable,
state-of-the-art counterbalanced lever weighing mechanisms, com- • Unsurpassed quality and longevity.
bined with Acrison’s Ratiometric Digital Weight Resolver , boast
®
unexcelled weight sensing resolution, precision and ruggedness. • Near-zero maintenance.
®
All Acrison “Weight-Loss-Differential” control systems include “Acri-Lok” … • User-friendly operation.
an Acrison innovation that provides “Disturbance-Free” weight sensing to
further ensure accurate metering, within design tolerances, should the • Simple installation.
weighing system be disturbed in any manner or form that would otherwise
2 affect performance. • The lowest long-term ownership
4 Acrison weigh feeders have been designed with the user’s overall long- costs in the industry.
6 term operational requirements as the primary objectives. They offer highest
value in providing reliably accurate performance in an exceptionally heavy-
8 duty package – unmatched in design, quality and user-oriented features. In
10 operation since the late nineteen sixties, their history of trouble-free per- All Acrison Weigh Feeders include a
12 formance has placed them in a most enviable position; they remain without five year guarantee on the entire
equal in the very specialized field of weight-loss weigh feeding. weighing mechanism, including the
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Ratiometric Digital Weight Resolver
16 Equipment Bulletins 728, 893, 897 and 840 and its associated electronics.
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