LW Measurements LWC 800 User Manual

Operating Manual

Professional Weighing Equipment
Wheelchair Scale

LWC 800

Declaration of Conformity

Metric version:

Imperial version:

400 kg

800 lbs

Mark applied

EU Directive

Standards

2004/108/EC

EN 61326-1: 2006

Declaration of conformity for apparatus with CE mark:
We hereby declare that the product to which this declaration refers

conforms to the following standards.
Electronic scale: LWC series

Signature:

Boon Lim, R & D Manager

May 20, 2013

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Customer Service

USA
LW Measurements LLC, 3510 Industrial Drive,

Unit H Santa Rosa, CA 95403
USA

Tel: [phone]
FAX: [phone]

EUROPE
LW Measurements Europe Ltd

Chalkwell Park House 700 London Road
Westcliff-on-Sea Essex SS0 9HQ
United Kingdom

Tel: [phone]
Fax: [phone]

ASIA
LW Measurements PTY Ltd

Block 1004, Toa Payoh North
#03-16 Singapore 318995

Tel: [phone]
HP: (65) 8119 3401

http://www.lwmeasurements.com

Refer to our website for information about local customer service
centers and details of their addresses.

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Introduction

What you should know about these Operating Instructions:
Tree® Professional Weighing Equipment products are simple to

operate.
Nevertheless, you should read through these operating

instructions in their entirety, so that you can make optimum use of
the full potential and the diverse possibilities of the weighing
machine in your daily work.

These operating instructions contain guidance in the form of
pictograms and keyboard diagrams, which should help you in
finding the required information:

For the labeling of potential hazards and advice, please see

Section 1: Safety below.

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Contents

Section

Heading

1

Safety

1.1 Representation and symbols

1.2 Safety recommendations
2

Your weighing machine

2.1 Construction and functions

2.1.1 Construction of the weighing machine

2.1.2 Functions of the weighing machine

2.2 Application, conformity

2.2.1 Correct use of the weighing machine

2.2.2 Conformity

2.3 Data and parameters

2.3.1 Technical data

2.3.2 RS232 Data Interface

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Getting started with your weighing machine

3.1 Unpacking the equipment

3.2 Scope of delivery

3.3 Assembling your weighing machine

3.4 Choice of a suitable location

3.5 Checking the mains voltage

3.6 When to calibrate the weighing machine

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4

Working with the application menu using the
intelligent keypad

4.1 Display messages and key functions

4.1.1 Display messages

4.1.2 Key functions

4.2 Program options

4.2.1 Interface setting

4.2.2 Function settings

4.2.2.1 Setting auto shut-off

4.2.2.2 Setting backlight

4.2.2.3 Setting power on mode

4.2.3 Working mode setting

4.2.4 Hold function

4.2.5 Reading the display

5

Calibration using an external calibration weight

6

Maintenance and service

7

Transport and storage

7.1 Transportation and shipping

7.2 Storage

6

1 Safety

1.1 Representations and symbols

Important instructions, which involve safety, are highlighted with the
appropriate mark:

1.2 Safety recommendations

When using the weighing equipment in surroundings with increased safety
requirements, the corresponding regulations must be observed.

The weighing machine may only be used with the power adapter supplied
exclusively for use with the weighing machine.

Before inserting the power adapter, the user must ensure that the operating
voltage stated on the power adapter agrees with the mains voltage.

If not, please contact Customer Service at the address above.
If the power adapter or its cable is damaged, the weighing machine must

immediately be disconnected from the electricity supply (pull out the power
adapter).

The weighing machine may only be operated from mains electricity supply with
a power adapter which is in perfect condition.

If there should be any reason to believe that it is no longer possible to operate
the weighing machine without danger, the weighing machine is to be
immediately unplugged from the electricity supply (pull out power adapter) and
secured against inadvertent operation.

In carrying out maintenance work, it is essential to follow the recommendations
in Chapter 6: Maintenance and service.

The weighing machine must not be operated in an area subject to explosion
risks.

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Figure 2.1 Your weighing machine

Care must be taken when weighing liquids to ensure that no liquid is spilled
into the inside of the weighing machine or into connections on the rear of the
equipment or the power adapter. If liquid is spilled on the weighing machine, it
must immediately be unplugged from the mains electricity supply (pull out
power Adapter).

The weighing machine may only be operated again after it has first been re­checked by a service technician.

These operating instructions must be read by each operator of the equipment
and must be available at the workplace at all times.

2 Your weighing machine

2.1 Construction and functions

2.1.1 Construction of the weighing machine

The weighing machine consists of a (1) weighing machine, (2) indicator, (3)
wall mount bracket, (4) screws with butterfly nuts, (5) A/C adapter and this
operating manual.

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