Cardinal Detecto, Operation Manual, Page: 4 / 22

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1.0 DESCRIPTION
1.1 Introduction
This manual provides descriptive data, specifications, operating instructions, calibration procedures, care and
maintenance instructions and information on interchangeable parts for the Detecto model MSB-25 scale.
This scale is manufactured by Detecto Scale Co., Webb City, MO 64870.
1.2 Purpose
This scale is designed for the following functions:
1. General purpose weighing of mailable objects up to 25 pounds in weight.
2. Displaying weight of a single mailpiece, number of mailpieces per pound or number of pieces on the
scale after a number of identical pieces have been weighed.
3. Manual entry of a tare weight or automatic zeroing of weight on the scale, for purpose of using a
container for weighing.
4. Ability to display weight digitally in pounds and ounces or in pounds only.
5. Perform all of the above functions with an input from a remotely located weighing device.
6. Direct output of data to a printer or other device.
1.3 Description of scale
The Detecto MSB-25 is a ruggedized, fully-electronic digital weight indicator employing a single-point load
cell, stainless steel weighing platform, digital electronics, full-travel keypad, LED annunciators to indicate
scale mode, twenty character alphanumeric dot matrix display with 7/16 inch high characters, and serial
interface. Operating instructions are readily visible on a pull-out instruction placard.
1.4 Principles of operation
The scale may be used to display weight; either gross weight or net weight (gross minus tare). Displayed
units may be either pounds or pounds-ounces format. Known container tare weight may be entered via the
keyboard. Unknown container tare weight may be zeroed off. An average weight per piece of identical mail
pieces may be taken from a known sample quantity. The sample quantity must be large enough to total 0.2
lbs of weight. The default sample quantity is 10 pieces, however a more convenient sample quantity may be
selected via the keyboard. The weight per piece or pieces per weight may be displayed. Number of pieces
(count) may also be displayed.
1.5 Precautions
Before using this instrument read this manual and pay special attention to all "WARNING" symbols:
IMPORTANT ELECTRICAL WARNING