SR Instruments SRScales SR465 User manual

by SR Instruments, Inc.

Model SR465

In-Floor Platform

Scale System

OWNERS MANUAL

SR Instruments, Inc. 600 Young Street, Tonawanda, NY, 14150

Tel: 888 WEIGH ME Fax: (716)693-5854

Part No. MAN465 rev: 000706

Table of Contents

SECTION I

OPERATION and MAINTENANCE

System Description and Specifications Page 1

System Operation and button Functions Page 2

SECTION II

TECHNICAL SERVICE INFORMATION

Calibration and Maintenance Page 4

Care and Cleaning Page 5

Schematic Diagram Page 6

Part List and Component Layout Page 7

Platform Installation Instructions Page 8

Part No. MAN465 rev: 000706

MODEL SR465

FLOOR SCALE SYSTEM

The SR465 is a Precision Digital Scale System specifically designed to be installed

in the floor so that the weighing surface is flush. The multi-purpose design offers the

versatility of being used as a Stand-On scale for weighing ambulatory patients as

well as a Wheelchair / Chair / Walker Scale for semi or non-ambulatory applications.

This Scale System employs the latest in microprocessor and load cell technology

to provide accurate and repeatable weight data. Four (4) identically matched load

cell transducers are strategically placed to ensure an accurate representation of

the patient's weight regardless of weight distribution.

The low power microprocessor circuitry allows the SR465 to derive it's power from six (6) common

"D" cell alkaline batteries which will provide over 20,000 weight reading before needing replacement.

This eliminates the need for an external battery charger or an A.C. outlet.

The Patient's weight is displayed on a user friendly 16 character dot matrix liquid

crystal display. This display uses bright green L.E.D. back lighting for superior visibility

in all lighting conditions. With the push of a button, patient weight may be viewed in

both POUNDS and KILOGRAMS with a displayed resolution of 0.1 #/Kg (100 grams).

SPECIFICATIONS

Maximum Capacity 1000 LB's / 454Kg's

Platform Size 32" x 36"

Display Resolution 0.1 LB's / 0.1 Kg's (100 grams)

Accuracy 0.1% +/- 1 digit of reading

for calibrated range.

Display Type 16 character dot matrix L.C.D.

ZERO One Button Auto-Tare

Display Time Auto power-down 60 sec.

Damping Automatic digital filter

Power Supply 6 -"D" cell batteries (LR20)

Warranty Two Years Parts and Labor

page 1

Part No. MAN465 rev: 000706

MODEL SR465

FLOOR SCALE SYSTEM OPERATION

INITIALIZING THE SYSTEM ZERO:

Before the patient is positioned on to the scale system you must first set the system zero. This

is done as follows;

1. Press the "O" button. The displayed message will indicate " HANDS OFF ". Make

sure that nothing is in contact with the scale system while zeroing. In a few seconds

the display will indicate "WEIGHT = 0.0 LB ".

Note: When the unit is first turned on the mode will default to the last mode used.

The patient may now be positioned on to the weighing surface to view the weight data.

BUTTON FUNCTIONS :

The "0" button is used to initialize the system zero before placing a patient on to the

scale system. When the "0" button is pressed, the display message will indicate

"HANDS OFF". At this point you should make sure that nothing is in contact with the

weighing surface so that the system zero will be accurate. In a few moments the

display will read - "WEIGHT = 0.0 Lb".

The display mode will automatically default to the last mode used

If after positioning the patient on to the scale system, the display shuts off before

you are able to view the weight data, simply press the "WEIGH" button to WAKE the

display and view the patient's weight.

NOTE: It is recommended that you ZERO the system before each weighing to

assure accuracy.

The "HOLD" button will freeze the displayed patient weight and store it away in

memory. To recall the LAST WEIGHT after the system has shut off, press the

"HOLD" button BEFORE pressing any other. The system only recalls the LAST

WEIGHT that was stored by HOLD.

Weight data may be viewed in either Pounds or Kilograms. Pressing the "MODE"

button allows you to toggle the POUNDS and KILOGRAMS display modes. Both

modes will display a resolution of 0.1 pounds or kilograms.

page 2

Part No. MAN465 rev: 000706

ZERO

WEIGH

MODE

LB KG

HOLD

ZERO

SECTION II

TECHNICAL SERVICE INFORMATION

For Sales, Product Information

and Technical Assistance Please Call:

1(800)654-6360

Part No. MAN465 rev: 000706

SYSTEM CALIBRATION and MAINTENANCE S

IMPORTANT : The following calibration procedure should only be performed by qualified

service personnel. The SR465 load cell, itself, has no user serviceable components and should

not be tampered with for any reason. Recalibration is generally not required, but may be checked

periodically to ensure accuracy.

CALIBRATION PROCEDURE :

NOTE: Make sure that nothing is in contact with the scale system during this procedure. Be sure

to remove your hands from the system when noting the displayed calibration results.

1. Press and Hold both buttons simultaneously.

2. The display will read "HOLD TO CAL" as the right hand digit counts down to

enter the CAL MODE.

3. When in the CAL MODE, press the "ZERO" button to zero the display.

4. Place a known calibrated weight on to the weighing surface and compare it to

the displayed reading.

5. Use the LEFT CAL button to make "+" corrections and the RIGHT button to

make "-" corrections to the displayed weight. The displayed value should be within

0.1% of the calibrated weight plus or minus 1 digit of reading.

When adjustments are completed:

press the "WEIGH" button to ABORT your changes and exit the CAL mode or

press the "HOLD" button to SAVE all changes and exit the CAL mode.

CALIBRATION TOLERANCE TABLE

LOW APPLIED HIGH

LIMIT LOAD LIMIT

99.9 100.0 100.1

199.8 200.0 200.2

299.7 300.0 300.3

399.6 400.0 400.4

499.5 500.0 500.5

599.4 600.0 600.6

699.3 700.0 700.0

799.2 800.0 800.8

899.1 900.0 900.9

999.0 1000.0 1001.0

page 4

Part No. MAN465 rev: 000706

ZERO

WEIGH

by SR Instruments, Inc.

HOLD MODE

LB KG

HIDDEN "CAL" BUTTONS

+ -

SYSTEM CARE and CLEANING

CLEANING and DISINFECTING:

The readout housing for the SR465 Scale Systems is primarily made of aluminum. You need

only exercise caution when cleaning the display window of the electronics as this is made of clear

polyester . We recommend mild soap and water for general cleaning.

The floor transducer is covered by a Stainless Steel plate and may be vacuumed or swept.

BATTERY REPLACEMENT (model SR465 only):

When battery replacement is necessary the display will indicate "REPLACE BATTERY".

To replace the batteries

1.Remove the instruction cover plate to expose the battery compartment..

2.Replace ALL SIX (6) Batteries as shown.

3.Replace the cover plate.

page 5

Part No. MAN465 rev: 000706

+++

COVER PLATE

SCHEMATIC and COMPONENT LAYOUT

Part No. MAN465 rev: 000706

PARTS LIST

Part No. MAN465 rev: 000706

Parent Item No_ No_ Description Quantity per Position Position 2 Position 3

SE1857D255 EPCB1857D P.C.BOARD 1857 REVISION "D" 1

SE1857D255 EC347RM .0047MFD #167472J400A(MALLORY) 1C4

SE1857D255 EC510RF 0.1MFD #SR205C104KAA (AVX) 5C10,C11, C12,C13, C14

SE1857D255 EC747RE016 47MFD #UVX1V470MPA(NICHICON) 1C1

SE1857D255 EC710RE016 10MFD #UVX1C100MAA (NICHICON) 1C2

SE1857D255 EC810RE016 100MFD 16V CAP #UVX1C101MPA 1C3

SE1857D255 EC510RM050 .1MFD #R68104J63B (NISSEI) 4C5,C8,C9, C22

SE1857D255 EC610RM050 1MFD 168105J50G(B32529-105-63J 1C6

SE1857D255 EC210RP 100PF POLY CAPACITOR 1C7

SE1857D255 EC847RE016 470MFD RADIAL (UVX1C471M) 2C20,C21

SE1857D255 ED1N4001 DIODE 1N4001 (RECTRON) 1D1

SE1857D255 ESRBE085 SWITCH (RAYCHEM) RBE085A1 1F1

SE1857D255 EIICL7660C IC #ICL7660CPA (SEE TC7660CPA) 1IC1

SE1857D255 EIMAX135CP IC #MAX135CPI (MAXIM) 1IC2

SE1857D255 EICD4078BE IC #CD4078BE 1IC4

SE1857D255 EINM93C46N IC #93LC46B-I/P (MICROCHIP) 1IC5

SE1857D255 EIICL7652A IC #ICL7652CPA (MAXIM) 1IC6

SE1857D255 EITLE2426C IC #TLE2426CLP (TEXAS INSTR.) 1IC7

SE1857D255 EIMAX667CP IC #MAX667CPA (MAXIM) 1IC9

SE1857D255 FCBSW11404 TERMINAL STRIP #BSW-114-04-G-S 1J5A

SE1857D255 FCTSW11409 TERMINAL STRIP #TSW-114-09-G-S 1J5B

SE1857D255 ETZVNL110A TRANSISTOR,VOLTAGE REF.ZVNL110 1Q1

SE1857D255 ET2N3906 TRANSISTOR 2N3906 (MATOROLA)1Q2

SE1857D255 ER17505W3 75 OHM 3 WATT 5% RESISTOR 1R2

SE1857D255 EV5KKVSF82 5 K POTENTIOMETER 1R1

SE1857D255 ER41005QF 10K 1/4 WATT 5% RESISTOR 2R3,R4

SE1857D255 ER62001EF 2MEG 1% RES 1R5

SE1857D255 ER57503EJ 750K 1/8 WATT 1% J RESISTOR 1R12

SE1857D255 ER44531EJ 45.3K 1/8 WATT 1% J RESISTOR 2R6,R8

SE1857D255 ER43241EJ 32.4K 1/8 WATT 1% J RESISTOR 1R7

SE1857D255 ER72205QF 22M 1/4 WATT 5% RESISTOR 1R9

SE1857D255 ER51301EJ 130K 1/8 WATT 1% J RESISTOR 2R10,R11

SE1857D255 EV10K3299W 10K POT 3299W-1-103 (BOURNS) 1R13

SE1857D255 ER64705QF 4.7M 1/4 WATT 5% RESISTOR 1R14

SE1857D255 ER61205QF 1.2M 1/4 WATT 5% RESISTOR 1R15

SE1857D255 ER54991EJ 499K 1/8 WATT 1% J RESISTOR 1R16

SE1857D255 ER1005QF 100K 5% RES 1R17

SE1857D255 ER61001EJ 1M 1/8 WATT 1% J RESISTOR 2R18,R19

SE1857D255 ER53321EJ 332K 1/8 WATT 1% J RESISTOR 1R20

SE1857D255 ER42205QF 22K 1/4 WATT 5% RESISTOR 1R21

SE1857D255 ER770101 RESISTOR NETWORK 100K #770-101 4RSIP1,2 RSIP3,4

SE1857D255 ESPD60401 SWITCH (ITT CANON) #D6-04-01 4SW3,SW4, SW7,SW8

SE1857D255 ESPD60501 SWITCH, PUSH (D6-05-01) 4SW1,SW2, SW5,SW6

SE1857D255 EXSE3201 CRYSTAL 32.768 KHZ (EPSON) 1X1

SE1857D255 EXPX200 CERAMIC RESONATOR #PX200 1X2

SE1857D255 EIDIP8 SOCKET 8 PIN (BURNDY) 4

SE1857D255 EIDIP14 SOCKET,14 PIN #DILB-14P-223T 1

SE1857D255 EIDIP28 SOCKET 28 PIN #DILB-28P-223T 1

SE1857D255 EIDIP40 SOCKET 40 PIN #DILB-40P-223T 1

SE1857D255 0

Model SR465 Platform Installation Procedure

NOTE: PIT FRAME OUTSIDE DIMENSIONS- 3" HIGH 38" WIDE 42" LONG

1.Carefully unpackage the scale platform and inspect to ensure there has been no shipping damage.

2.Prepare the pit area to accept the scale platform and readout as described in fig. 1, below.

3.Mount the readout on the wall and run the connector cable down the conduit to the pit as described in fig. 1 below.

4.Remove the platform deck by using the 1/4" hex wrench (supplied) to remove the 4mounting screws on the cover.

5.Place the platform into the pit so that the connector for the readout cable is nearest to the conduit.

6.Plug the readout cable into the connector on the platform.

7.Position the platform in the pit so that the frame is equally spaced from all sides of the pit.

8.Using a 9/16" socket wrench, adjust the 4 corner leveler bolts (A) so that the platform base is one inch (1") below the

surface of the floor on all sides. This will ensure that the deck is even with the floor surface when installed. NOTE: If you

are planning on tiling or carpeting the deck be sure to compensate for the thickness of material. You may place the deck

on the platform to check the level as you make your adjustments.

9.When the 4 corners are done, adjust the remaining level bolts so that they make contact with the floor of the pit then

back them off a 1/4 turn.

10.When your level adjustments are complete tighten the locking nuts on all 6 level bolts to lock them in place.

11.Adjust the 6 side clearance adjustment bolts (B) so that the platform is spaced equally on all sides of the pit then tighten

the locking nuts on all six (6)bolts.

12.Set the deck on to the platform and secure in place with the 4top mounting screws.

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4-6

Part No. MAN465 rev: 000706

8 SIDE CLEARANCE

ADJUSTMENT BOLTS

4 CORNER

LEVEL BOLTS

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