Marsden B-450 Manuale utente

Version 1.1 09/20

B-450

USER MANUAL

Please take time to read these

instructions before starting

to use the scale

Contents

Product Specification 3

Safety Instructions 4

Package Contents 5

Keypad & Display 5

Battery Installation 6

Operation 7

Error Messages 9

Page 2

Product Specification

Model

B-450

Capacity/Division

3000g x 0.1g / 6.6lb x 0.0002lb

5000g x 1g /10lb x 0.002lb

Weight of Scale

2.6kg

Units of Measure

g, lb

Dimensions

Platter: 120mm x 150mm

Overall size: 170mm x 150mm x 46.5mm

Function Keys

ON/OFF, TARE/ZERO, UNIT

Display

20mm LCD digital display

Power Supply

9V alkaline battery

Operating Temperature

5 to 35˚C

Warranty

1 year

Please note: Marsden’s policy is one of continuous development and therefore we reserve the right to change product

specification without notice.

Disposal

In conformance with the European Directive 2012/19/EU on Waste Electrical and Electronic

Equipment (WEEE), this device may not be disposed of with domestic waste. This also applies to

countries outside the EU, according to their specific requirements.

Please dispose of this product in accordance with local regulations at the collecting point

specified for electrical and electronic equipment. For more detailed information about recycling

this product, please contact the local distributor from which you purchased this device.

Page 3

Latest product information

All the latest product developments, product sheets and more can be

found on our website. Scan this QR code using your device to be taken

straight to the B-450 page online.

Safety Instructions

Before putting this scale into use, please read with care the information given in this user

manual, which contains important instructions for proper installation, use and maintenance

of the device.

Marsden/the manufacturer shall not be liable for damages arising from failure to heed the

following instructions:

•When using electrical components under increased safety requirements, always

comply with appropriate regulations.

•Inappropriate installation/use will render the warranty null and void.

•Observe the permissible ambient temperatures for use.

•The device meets the requirements for electromagnetic capability. Do not exceed

the maximum values specified in the applicable standards.

•Do not allow liquids or foreign objects to enter the inner workings of the scale.

•Do not drop loads on the scale or leave heavy loads on the scale for extended

periods of time. This may damage the loadcells.

•Do not place the scale upside down on the pan.

•Do not open the scale. Never attempt to make repairs yourself. Any attempts to

open or repair the scale by anyone other than authorised personnel will render the

warranty null and void.

If you have any problems, contact Marsden/your local dealer/your service partner.

Cleaning

•Please do not use solvents to clean the scale.

•Clean with a damp, lint free cloth and mild soap or detergent.

•Always disconnect the scale from the mains power supply before cleaning.

Maintenance

•The scale does not require any routine maintenance. However, we recommend

checking the scale’s accuracy at regular intervals. If any inaccuracies occur, please

contact your local dealer or service partner.

Page 4

Package Contents

B-450 scale

User manual

Keypad & Display

ON/OFF

Turn the scale on or off.

Tare/Zero

Remove unwanted weight from the display prior to weighing

Unit

Toggle between kg and lb readings

Page 5

Weighing units

LCD displays measured weight, units

and status information

Minor weight value

Low battery

Stable

Sign

Battery Installation

Note: Always ensure the battery cover is fully closed before use.

Page 6

Remove the battery housing cover.

Install a 9V alkaline battery.

Replace the battery cover.

Operation

Turning Scale On/Off

To turn the scale on, press the ON/OFF button. Scale will display and will then

enter active weighing mode.

To turn the scale off, press the ON/OFF button.

Zero Operation & Setting

With the scale switched on and nothing on the scale, the display should show zero.

If there is nothing on the pan and the display is not zero, press the TARE/ZERO button to

set zero.

Weighing

To weigh an item, place it in the middle of the platter. When the reading has stabilised, the

stable sign will show (see page 5).

If an item is heavier than the scale capacity, the display will show ‘Err’.

Using the Tare function

Tare allows the user to zero the weight of a container from the reading shown on the

display of the scale, thus giving the true weight of the product being weighed.

Turn on the scale by pressing the ON/OFF button.

When is displayed on the screen, place the empty container on the platter.

Press the TARE/ZERO button after the weight stabilises and the stable sign appears on the

display.

The display will return to .

Place the item that needs to be weighed (without removing the tare object) on the scale.

The display will show the Net weight of the item.

To remove the saved tare value, remove the container from the platter and press the

TARE/ZERO button.

Changing Units

The UNIT button allows you to switch from weighing in one unit to another. Simply press

the UNIT button before or during weighing.

Page 7

Setting the Auto-off Time

The B-450 has an auto-off time option, which means the scale will switch off automatically

after a period of inactivity. The time duration of the auto-off can be selected in the

following way:

Turn on the scale using the ON/OFF button.

Press and hold TARE/ZERO for 3 seconds after the countdown stops and LCD displays

zero.

First ‘SET’ and then ‘UNIT’ will display.

Press UNIT once.

‘A_OFF’ will display on the screen.

Press TARE/ZERO, and the default auto-off time will display on the screen.

Press UNIT to select the Auto-off time.

Auto-off time can be set to 120/180/240/300 seconds.

To turn off the auto-off option, press TARE/ZERO again. For example, If you want to select

240 seconds, press TARE/ZERO when ‘240 S’ displays on the screen. Press UNIT twice. The

display will show ‘End’. Press TARE/ZERO to confirm.

Page 8

Error Messages

ERROR MESSAGE

DESCRIPTION

REMEDY

Low battery indication

Replace the battery.

Total load exceeds the capacity

of the scale

Reduce the weight on the

scale and try again.

Counting error. The signal

from the loadcell is too low

Please contact Marsden or

your supplier.

Software fault

Please contact Marsden or

your supplier.

Page 9

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