WHEEL CHAIR SCALE (WCS Series) INSTRUCTION MANUAL

Welcome ! Thank You for purchasing your new A&D Mercury (WCS) Wheel Chair Scale. The WCS is the product of years of design, development, and infield testing. It is designed to withstand harsh environmental conditions and each WCS is subjected to several levels of quality control before it leaves the factory. Every care has been taken during the manufacturing process of the WCS to ensure that it will perform accurately and reliably for many years.

Features ¾ Unique Castor Design: for simple movement of the platform location ¾ Light Weight Drop Centre Design: easy access to drop surface via entry ramp ¾ Your Choice of Powder Coated or Anodised Finish: Visually appealing ¾ Dual Power Supply: unit can be operated on AC or Battery power ¾ 300kg Capacity – 100 gram Accuracy: suitable for all wheel chairs ¾ Separate Indicator Stand: allows maximum flexibility in set up ¾ Keyboard Tare Entry: subtracts the weight of the wheel chair ¾ Large Weight Area: suitable for both motorised and non-motorised wheel chairs

Notes ! This is a hazard alert mark. This mark informs you about the operation of the product. This manual is subject to change without notice at any time to improve the product. No part of this manual may be photocopied, reproduced, or translated into another language without the prior written consent of the A&D Mercury. Product specifications are subject to change without any obligation on the part of the manufacturer.

Copyright © 2006A&D Mercury Pty Ltd.

Table of Contents Installation and Power Supply ----------------------------------------------------- page B.2 Description of Panel ------------------------------------------------------------------ page C.2 Rear Panel ------------------------------------------------------------------- page C.4 Basic Operation ----------------------------------------------------------------------- page D.2 Zero ---------------------------------------------------------------------------- page D.2 Tare Deduction -------------------------------------------------------------- page D.2 Gross/Net Weight Display ------------------------------------------------ page D.3 Mode Key --------------------------------------------------------------------- page D.3 Specifications --------------------------------------------------------------------------- page E.2 Dimensions ------------------------------------------------------------------------------ page F.2 Setup & Transporting Instructions ------------------------------------------------- page G.2

WCS Series

Section B

INSTALLATION and POWER SUPPLY

Section B

page B•1

WCS indicator is a precision electronic instrument, and requires careful handling.

The operating temperature range is -5°C to will not be exposed to direct sunlight.

It should be installed where it

The WCS Indicator must be kept away from electrical noise sources, since only an extremely weak voltage is produced as the load cell output, and the cable connected to the WCS Indicator is affected by noise sources which include pulse components.

When the AC adapter is used

A stable power source must be used, since an unstable power source which includes an instantaneous noise component may result in misoperation. When dry batteries are used Use fresh batteries, preferably alkaline type. Insert the batteries into the battery box (use caution in inserting to match the polarity of the batteries), and insert the battery box as shown with the contacts to the inside of the indicator. Push it in and towards the bottom. The battery box will hook onto the edge of the case. Install the cover over the battery box so that it will not fall out.

To remove the battery box, press in and up on the end of the battery box. Slowly release pressure on the battery box while holding it against the top of the battery compartment and the battery box will slide out. The Optional AD-1681 re-chargeable battery pack can be used in place of the standard battery box. Section B

page B 2

WCS Series

Section C

DESCRIPTION of PANEL

Section C

page C•1

WCS INDICATOR

7

MD

OVER TARGET

ZERO

UNDER GROSS NET NOT WEIGHING RESULTS

ON/OFF

MODE

ZERO

TARE

PRESET TARE

8

9

UNDER

OVER

4

5

6

1

2

3

0

NET/ GROSS

C

SAMPLE

ENTER

PRINT

WCS

CAPACITY

TOP

Turns power MODE

Switches the unit. (See "Unit Switching (pg. Dl3)) YY

Sets the zero point. (See

Dl2))

Sets the tare. (See "Tare

D

Switches between gross weight and net. (See "Gross Weight D Weight Display ENTER

Outputs data to a peripheral device such as a printer. Saves the input data. Setsthe preset tare. (See"TareDeductionUsingNumeric Dl

Section C

page C.2

Net

Used to input the preset tare value. Also used as numeric key 7. Used to input the Target LO Limit. Also used as numeric key 8. Used to input the Target HI Limit. Also used as numeric key 9.

Display Unit or

display

Unit of counting mode Comparator comparison display Hi Limit <display value

TARGET Reset tare display

Lo Limit

display

Hi

Display value

Lo Limit

GROSS NET NOT WEIGHING RESULTS

GROSS display

Other than measured weight display

NET display

Weight over display Plus over

When the GROSS data is greater than the capacity data plus 9 digits, display is blank.

Minus over

GROSSdata When the measurementdata is minus over is smaller than the calibration zero data minus 20% of the capacity data. The numerical display will blank, leaving only the minus sign.

However, the unit, GROSS, NET and other annunciators are left. Also, when the comparator is operating, the comparison result is OVER or UNDER. In the case of OVER, the weighing result output is replaced with spaces.

Section C

page C 3

Calibration switch Load cell connector AC adapter jack

Used for calibration and some function settings Connects to the load cell cable. Used the AC adapter.

With cover

Load cell conector

AC adapter jack

Without cover

Calibration switch

Section C

page C 4

WCS Series

Section D

BASIC OPERATION

Section D

page D•1

If the zero point has drifted, pressing correct it. Normally this is only valid when the instrument is stabilized.

In case of gross weight display Zero point has drifted

Press the

key

Weights for which tare deductioncan be performed are 1 division more or less than or equal to the maximum capacity. If 30.0 tare deduction is performed when the maximum capacity is 300.0, the weighable net weight is 2 70.0. When tare deduction is performed, the display automaticallychanges to the net weight display. Normally, the key is only valid when the instrument is stabilized.

Tare Deduction

Key

Place the tare weight on the weighing platform Press The weight display changes to net weight.

Section D

page D.2

Tare Deduction)

WCS Series

Section E

SPECIFICATIONS

Section E

page E•1

Section E

lnput sensitivity lnput signal range Load cell applied voltage Load cell drive capacity Zero point temperature coefficient Span temperature coefficient Non-linearity Maximum input noise lnput impedance AID conversion method Maximum display resolution conversion speed

(d = minimum division) -1 to 15mV 5% (with remote sensing) Max 6 units with 350 load cell (max of zero adjustment voltage) / of rdg (TYP.) 0.01% of F.S. v p-p 1 or more Integral type 1 (divisions) Approx. 5 (same for display update)

7-segment liquid crystal display, character height: 22mm Selection of kg or t, or and pcs (number of items)

Power supply Weight Operating temperature range Operating humidity range External dimensions

AC adapter or 6 "C" size batteries (approximately, excluding batteries) -5°C to 40°C 85% RH or less (no condensation) See dimensions on page 1-3

interface RS-232C interface + comparator relay output Printer interface current loop) Rechargeable Battery Pack

Load cell connector AC adapter Maximum capacity nameplate Instruction Manual Battery box Section E

1 (NJC-207-PF) 1 1 1 1 page E.2

WCS Series

Section F

DIMENSIONS

Section F

page F•1

WSC Series

Section F 114.3

41.2 36

124

80

2.5

155.5

80

240

Section F

page F•2

WSC Series

Section F

Section F

page F•3

WSC Series

Section G

SETUP and TRANSPORTING

Section G

page G•1

WSC Series

Section G Step 2

Step 1

Transport Arm rm Knob

A - Lift unit off the packaging & place onto the floor.

A - Stand in front of the unit ( Ramp end )

B - Undo the Arm knob & swing the Transport arm into the upright position, tighten Arm knob to lock the arm firmly in position.

B - Place hands under the ramp. C - Lift the unit up onto it's wheels.

Step 3

Step 4

A - Lift up and over until the Transporting arm wheel is sitting on the ground.

A - Screw the levelling leg into the load cells on the under side of the unit. ( 4 - Levelling Legs )

Section G

page G•2

Notice This is the transport position to move the unit around. Stand at one end and placing both hands on the top of the unit. Push the unit forwards and steer in the required direction as needed.

Step 5

Step 6

Summing unit

A - Lower unit back onto the floor. B - Level unit by turning the levelling legs to remove any rock from the unit. C - Lower the Transporting arm back to the storage position , locking with the Arm knob.

Section G

A - Plug the short lead from the Summing unit on the cable into the Indicator & the other end to the Bas socket. B - Attach the cable into the grove in the Column using the clips. ( 3 - Cable clips )

page G•3