Table Of Contents; Specifications - Cardinal 728 Operation Manual

728 INDICATOR
Thank you for purchasing our Model 728
Indicator. It has been manufactured with
quality and reliability at our factory in Webb
City, MO USA. This Indicator has been tested
before leaving our factory to insure accuracy
and dependability for years to come.
This manual is provided to guide you through
installation, operation and maintenance of
your indicator. Please read it thoroughly
before attempting to install or operate your
728 and keep it handy for future reference.
_________________________________________________
FCC COMPLIANCE STATEMENT
WARNING! This equipment generates, uses and
can radiate radio frequency and if not installed
and used in accordance with the instruction
manual, may cause
communications. It has been tested and found to
comply with the limits for a Class A computing
device pursuant to Subpart J of Part 15 of FCC
rules, which are designed to provide reasonable
protection against such
operated in a commercial environment. Operation
of this equipment in a residential area may cause
interference in which case the user will be
responsible to take whatever measures necessary
to correct the interference.
You may find the booklet "How to Identify and Resolve
Radio TV Interference Problems" prepared by the
Federal Communications Commission helpful. It is
available from the U.S. Government Printing Office,
Washington, D.C. 20402. Stock No. 001-000-00315-4.
_________________________________________________
All rights reserved. Reproduction or use, without
expressed written permission, of editorial or
pictorial content, in any manner, is prohibited. No
patent liability is assumed with respect to the use
of the information contained herein. While every
precaution has been taken in the preparation of
this manual, the Seller assumes no responsibility
for errors or omissions. Neither is any liability
assumed for damages resulting from use of the
information contained herein. All instructions and
diagrams have been checked for accuracy and
ease of application; however, success and safety
in working with tools depend to a great extent
upon the individual accuracy, skill and caution. For
this reason the Seller is not able to guarantee the
result of any procedure contained herein. Nor can
they assume responsibility for any damage to
property or injury to persons occasioned from the
procedures. Persons engaging the procedures do
so entirely at their own risk.
Serial Number __________________________
Date of Purchase________________________
Purchased From ________________________
______________________________________
______________________________________
RETAIN THIS INFORMATION FOR FUTURE USE
interference to radio
interference when
1

TABLE OF CONTENTS

Specifications . . . . . . . . . . . . . . . . . . . . . .
Site Preparation Requirements. . . . . . . . .
Precautions. . . . . . . . . . . . . . . . . . . . . . . .
Installation. . . . . . . . . . . . . . . . . . . . . . . . .
Load Cell Connection . . . . . . . . . . . . . . . . 4
Keypad Functions. . . . . . . . . . . . . . . . . . .
Annunciators. . . . . . . . . . . . . . . . . . . . . . .
Setup and Calibration . . . . . . . . . . . . . . . .
Power Connection . . . . . . . . . . . . . . . . . . 8
Operation . . . . . . . . . . . . . . . . . . . . . . . . .
Setup Review . . . . . . . . . . . . . . . . . . . . . .
Error and Status Displays. . . . . . . . . . . . .
Before You Call Service . . . . . . . . . . . . . .
Care and Cleaning . . . . . . . . . . . . . . . . . . 10
Parts Identification. . . . . . . . . . . . . . . . . . . 10

SPECIFICATIONS

Power 115 VAC + 10%, 50/60 Hz
Requirements: (optional 230 VAC 50/60
Hz) @ .05 amp
w/converter: 12 VDC + 10%
@ .3amp
Operating 14 to 104 °F (-10 to 40 °C)
Temperature:
Resolution: 1 part in 9,999 displayed
1 part in 40,000 internal
Sensitivity: 2.0uV/Graduation max
Sample Rate: 1 -12 samples per second
selectable
Accuracy: Meets or exceeds NIST
requirements
Tranducer 8.0 VDC
Excitation:
Graduation Value: 1, 2 or 5 by .1, 1, .01
Capacities: 1000 - 9999
Auto Zero Range: .5, 1, 3 Graduations
selectable
Display 4 ea. .56" Red LED
Maximum Load 10 feet
Cell Cable Length:
Maximum Allowable 50% w/2mV/V load cell
Dead Load: 34% w/3mV/V load cell
PRECAUTIONS
Before using this instrument, read this
manual and pay special attention to all
"WARNING" symbols:
IMPORTANT
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ELECTRICAL
WARNING