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MODEL 6745 BABY SCALE Operation Manual CARDINAL SCALE MFG. CO. 8535-M074-O1 Rev A Printed in USA PO BOX 151 WEBB CITY, MO 64870 04/05 PH (417) 673-4631 FAX (417) 673-5001 www.detectoscale.com...
INTRODUCTION The Model 6745 Baby Scale is a 30 pound (15 kilogram) capacity, battery-operated baby scale housed in a painted steel enclosure. The scale is equipped with a removable baby tray and a color coded membrane keyboard. The Model 6745 has a number of special features that make it both easy to use and maintain.
INSTALLATION Unpacking Begin the installation by removing your new Model 6745 Baby Scale from the shipping carton. Examine the scale and baby tray for any damage that may have taken place during shipment. If you find evidence of shipping damage, the shipping company should be contacted at once.
INSTALLATION, Cont. Baby Tray Installation Before using the scale, it will be necessary to install the baby tray and batteries. Note that the baby tray is designed to lock into place on the scale weighbridge preventing accidental separation from the scale. Follow the steps listed below to install the baby tray.
INSTALLATION, Cont. Battery Installation The 6745 Baby Scale can use 6 "C" size Alkaline, Ni-Cad or NiMH batteries (not included). If you wish to operate the scale from batteries, you must first obtain and install batteries before operations can begin. The batteries are contained in a battery holder inside the scale. Access is via a removable panel on the bottom of the scale.
INSTALLATION, Cont. Low Battery Indicator When the batteries are near the point they need to be replaced (Alkalines) or recharged (NiCad or NiMH), the low battery annunciator on the display will turn on (see Figure No. 5) If the battery voltage drops too low for accurate weighing, the scale will automatically shut off and you will be unable to turn it back on.
KEYPAD FUNCTIONS Figure No. 5 The membrane keypad is not to be operated with pointed objects (pencils, pens, fingernails, etc). Damage to keypad resulting from this practice is NOT covered under warranty. ON I With the indicator off, pressing this key will apply power to the scale and turn on the display. OFF { If the scale is on, pressing this key will remove power from the scale.
ANNUNCIATORS The annunciators are turned on to indicate that the display is in the mode corresponding to the annunciator label or that the status indicated by the label is active. Î0Í (Center-of-Zero) The Center-of-Zero annunciator is located to the lower right of the ounce weight display and is turned on to indicate that the weight is within +/- 1/4 division of the center of zero.
OPERATION The following steps describe the operation of the Model 6745 Baby Scale. Note that a set of condensed instructions appear on the face of the scale as well. Basic Weighing Operation Step 1 Press the ON key. The scale display will turn on showing the model number, battery status and if the threshold feature is enabled, the last locked weight will display.
PRINTER OUTPUT The Model 6745 Baby Scale has a RS-232 serial port that may be connected to an optional printer to record weight. The output connector is located on the rear panel (see Figure No. 6). When the weight display is locked on the baby’s weight and the Weight Lock annunciator is turned on, the weight data may be transmitted by pressing the PRINT key or on demand with receipt of a command from a computer).
SETUP AND CALIBRATION Your scale was calibrated at the factory and should not require adjustment. In the event that it should need recalibration, the following describes the calibration procedure. A qualified technician should perform this procedure to maintain the scale’s high degree of accuracy. Before beginning calibration, the following equipment is required: 30 lb Calibrated test weight 3/16 slotted screwdriver (to remove calibration sealing screw)
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SETUP AND CALIBRATION, Cont. Weighing Units With the display showing press the PRINT key to show the current setting. If the value displayed is acceptable, press the PRINT key again to save it. Otherwise use the UNITS key to select the new setting and then press the PRINT key to save it. Allowable values are: 0 = Pounds &...
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SETUP AND CALIBRATION, Cont. Acceleration of Gravity This scale is equipped with an acceleration of gravity function which means that it can be calibrated in one location and then adjusted to match the acceleration of gravity at the location where it will used. With the display showing press the PRINT key to show the current setting.
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SETUP AND CALIBRATION, Cont. USA (Domestic or International) The display will change to show . This is the prompt to select whether the scale is used in the USA (Domestic) or outside the US (International). Press the PRINT key to show current setting.
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SETUP AND CALIBRATION, Cont. Battery Type With the display showing press the PRINT key to show current setting. If the value displayed is acceptable, press the PRINT key again to save it. Otherwise use the UNITS key to select the new setting and then press the PRINT key to save it. NOTE! This setting may be revised without having to enter the calibration mode.
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SETUP AND CALIBRATION, Cont. Sleep Mode The Sleep Mode feature also conserves battery power when the scale remains unused for a selected period of time. With the feature enabled, the load cell excitation will be reduced and the display will show .
SETUP REVIEW The 6745 Baby Scale allows several operational parameters to be reviewed and changed as necessary without having to enter the setup and calibration mode. The parameters in the setup review will be processed in the following sequence:...
ERROR AND STATUS DISPLAYS The Model 6745 Baby Scale s equipped with a diagnostic software program that tests various portions of the scale’s circuitry and verifies proper operation. Should a problem be detected, an error or status message will be displayed alerting the operator to that condition. The...
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RIVET POP, BH AL 5/32 DIA X 0.126 -.187 GR 8526-B214-08 LOAD CELL SPACER 8535-B050-0A POWER CABLE 8535-B051-0A CABLE: BATTERY 8535-B063-0A SERIAL CABLE 8535-C054-0A BASE WELDMENT 8535-C059-08 BATTERY MOUNT 8535-D043-0A PCB ASSEMBLY – 6745 MAIN 8539-B254-0A ASSEMBLY: CABLE, CALIBRATION SWITCH 8555-B166-08 BATTERY DOOR...
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PART IDENTIFICATION, Cont. ITEM NO. PART NUMBER DESCRIPTION 593GR986 SERIAL TAG 593R1007 FACTORY SET LABEL 6021-1058 SCW TRUSS HEAD MACH-SCW 10-32 X .375 6021-1103 SCW HALF-DOG. SET SCREW #8-32 X .50 6021-1108 SCW FILLISTER MACH-SCW #10-32 X .375 S.S. 6021-1554 SCW SOCKET HD CAP SCW .025-20 –...
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