Model 308A and 306
summing units provide a multi-cell interface for load cell signal
conditioning instrumentation. Versions available are capable of analog
summing up to 8 individual transducer signals. A wide range of enclosure
options are available for wash-down, corrosive, and electrical hazard
applications.
Operationally, these units
perform the multiple tasks of distributing excitation current, summing
transducer output signals, and protecting wiring and connections. A unique
circuit design in the 308A unit minimizes the effects of system unbalance
and electrical leakage. This added protection is beneficial when equipment
is located in a harsh, corrosive atmosphere. Model 306 units are
compatible with Plug-n-Weigh instrument calibration procedures for faster
system start-up.
304 extension
boxes are used whenever transducer cables are not long enough to reach the
summing unit or system instrumentation. The internal terminal block or
connection provides for either a four wire or six wire (remote sensing)
hook-up. A range of metalic enclosures are available for wash-down,
corrosive, and electrical hazard applications.
BLH offers a range of system cables for connection
between the summing unit, junction box, and system instrumentation. These
custom cables are designed for use over long distances without signal
losses, temperature effects, undue EMI/RFI, or environmental
deterioration.
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