Brecknell MBS-150 User manual

MBS SERIES
ELECTRONIC BALANCE
AWT35-500064
Issue AG

Declarations of compliance
United States
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
Canada
This digital apparatus does not exceed the Class A limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de la Classe A prescrites dans le
Règlement sur le brouillage radioélectrique edicté par le ministère des
Communications du Canada.
EMC compliance
The following warning may be applicable to your machine.
WARNING: This is a class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take adequate
measures.
MBS series_u_en_500064.book

MBS Series User Instructions 3
Brecknell is part of Avery Weigh-Tronix. Avery Weigh-Tronix is a trademark of the Illinois
Tool Works group of companies whose ultimate parent company is Illinois Tool Works Inc
(“Illinois Tool Works”). Copyright © 2016 Illinois Tool Works. All rights reserved.
No part of this publication may be reproduced by making a facsimile copy, by the making of a
copy in three dimensions of a two-dimensional work and the making of a copy in two dimensions
of a three-dimensional work, stored in any medium by electronic means, or transmitted in any
form or by any means, including electronic, mechanical, broadcasting, recording or otherwise
without the prior written consent of the copyright owner, under licence, or as permitted by law.
This publication was correct at the time of going to print, however Avery Weigh-Tronix reserves
the right to alter without notice the specification, design, price or conditions of supply of any
product or service at any time.
Declaration of Conformity
Manufacturer
Type
Salter Brecknell
MBS
Corresponds to the requirements of the following EC directives:-
Electro Magnetic Compatibility
Low Voltage Directive:
EMC 89/336/EEC
LVD 2006/95/EC
The application harmonised
standards are:
EN60950-1: 2002, EN61000-6-3: 2001
EN61000-6-1:2007

4 MBS Series User Instructions
MBS Series Precision Balance
Thank you for purchasing the Model MBS precision balance. Please read all operating
instructions carefully before using and note the following items to ensure accurate
readings.
1.0 Description
lThe MBS balances use a high precision load cell and microcomputer for
simple operation with accurate, stable weight readings displayed on the large
liquid crystal display.
lThis balance is an excellent choice for laboratory use and educational
applications, however, it is not recommended for use in production lines, food
preparation areas or any other environment where high heat, cold, humidity
or vibration are present.
lDo not overload the balance. This will damage the load cell and void the
warranty.
lInspect the platter, draft shield and housing regularly for damage.
lRefer to the troubleshooting chart at the end of this manual for more details.
lDo not attempt to repair the balance if you have a problem. Contact your
local Salter Brecknell representative.
2.0 Unpacking
Please check the contents of this box carefully. Your MBS balance should come with
one of each of the following:
lElectronic Balance
lStainless Steel Weighing Platform
lUser Manual
l6 “AA” batteries (300-600 gram unit); 8 “AA” batteries (1200-6000 gram unit)
3.0 Installation
lPlace the balance on a stable, level surface.
lLevel the balance using the adjustable feet and level bubble.
lRemove the protective film from the stainless steel platform.
lGently place the weighing platform on the mounting posts on the top of the
base of the balance. The base’s posts should fit easily into the holes on the
bottom of the platform and the platform should be flat and level.

MBS Series User Instructions 5
Do not force the platform as this can damage the balance.
4.0 Key Functions
The following figure shows the front panel with six push buttons Each key function is
explained on the next page..
On/Off Turns the balance on or off or returns balance to normal weighing mode.
Count Places the balance in piece count mode.
Cal (stands for Calibrate) Enters calibration mode.
Tare Used to tare off, up to 100% of balance capacity, an empty container and
to reset the balance to zero. Use of tare with a weight or container
reduces the scale’s capacity by the tare value stored. Also works like
Enter in some modes.
Mode Toggles the backlight on or off. To extend battery life, turn backlight off.
Also toggles between options in calibration mode.
Units Allows you to scroll through and select from the available units (g, oz,
ozt, dwt, lb) as well as count (ct) and percentage (%)
5.0 Scale Operation
This section covers the scale operations of weighing and counting.
Always make sure that the balance is on a clean, dry, level and solid surface.
Simple Weighing
1. Turn the balance on. The balance will go through a series of tests and then
display all zeros (0’s).
2. Press the Unit key until the desired unit of measure is displayed on the far right
of the display.
g/oz
On/Off Count Cal Tare Mode Units

6 MBS Series User Instructions
3. Press the Tare key if the display no longer reads zero.
4. Place item(s) to be weighed on the weighing platform. The weight will be
displayed with the appropriate unit of measure next to it.
5. Remove the item(s) from the balance and repeat steps 2 - 5 to continue
weighing.
Tare Weighing
If you want to do net weighing, such as weighing objects in a container, follow these
steps.
1. Turn the balance on. The balance will go through a series of tests and then
display all zeros (0’s).
2. Press the Unit key until the desired unit of measure is displayed on the far right
of the display.
3. Place the container to be tared on the weighing platform and press the Tare key.
The display should return to zero.
4. Place item(s) to be weighed in the container. The weight will be displayed with
the appropriate unit of measure next to it. The weight displayed is the net weight
and does not include the weight of the container.
5. Remove the item(s) from the container and repeat steps 3 - 5 to continue
weighing with the same container.
If you remove the container, the balance will show a negative weight. Press the Tare
key to return the balance to zero.
General Counting Function
The MBS series will count parts based on the weight of a reference sample of 5, 10,
20, 30, 40 or 50 pieces. For best results, the pieces used should be of equal weight.
Also, the larger the sample, the more accurate your counts will be. Once you have
created this reference sample, it will remain in memory until a new sample is recorded,
even when the balance if turned off. This section explains the counting function in
further detail.
1. Turn the balance on and allow it to come to zero.
2. Press the Count button. The balance will display “CON pcs”.
If you are using a container to hold the pieces, place the empty container on the
weighing platform at this point.
3. Press Tare. The balance will display the message “Add 5”.

MBS Series User Instructions 7
4. Press Mode until the number of pieces in your sample is displayed. You can
choose from 5, 10, 20, 30, 40 or 50.
5. Place your sample on the platform and press Tare.
6. There will be a short pause and then the balance will show the number of the
sample on the screen.
If the balance displays the message “PC Err”, the sample size was too small for the
balance and a larger sample will be required.
7. Remove the sample from the balance. The balance is now ready to count.
8. Add pieces to the balance / container. The balance will show the number of
pieces on the display.
9. Press the Unit key to exit piece counting and return to normal weighing. You
can return to piece counting by pressing the Unit key until “pcs” is displayed.
General Percentage Function
The % refers to the percentage function of the MBS series scales. You can achieve
this by following these steps:
1. Put the object on the platform. After the reading is stable, press and hold the Tare
key until it displays 100%. This means that the scale defines the current weight
as 100%.
2. Put a new object on the platform and the display gives you a percentage based
on the defined weight from step 1.
Disable the AUTO OFF Feature
1. Power on the scale, when the scale is in self-checking process, press the Mode
key three times.
2. The scale will display “F3AUTO”, press the Tare key.
3. The scale will display “AUTO OFF” or “AUTO ON”, if “AUTO OFF” is displayed,
press the Mode key to switch it to AUTO ON.
4. Power off the scale. Power on the scale again to check whether the auto off
function works.
Note: auto off time is 5 minutes.

8 MBS Series User Instructions
6.0 Calibration
Occasionally, you may need to calibrate your balance with an appropriate weight.
There are two types of calibration possible: sensitivity calibration and linear
calibration. Linear calibration should only be attempted by a qualified service
technician with correct weights. This section explains how to perform each type of
calibration.
Sensitivity Calibration
1. With the scale in regular weighing mode, press the Tare button to zero the
balance.
2. Press the Cal button.The balance will show “Scale”.
3. Press the Tare button. The balance will display one of the accepted calibration
weights.
The balance can only be calibrated in grams.
4. Press the Mode key to toggle between acceptable calibration weights.
5. Press Tare. The balance will flash “0” briefly and then flash the calibration
weight.
6. Place the correct amount of weight (in grams) on the platform and press the
Tare button.
7. The calibration weight will continue to flash briefly and then become stable.
8. Once the weight is stable, remove the weight from the balance. The scale has
now been calibrated and is in regular weigh mode.
9. Press the Tare key if the scale does not return to zero.
Linear Calibration
1. With the scale in regular weighing mode, press the Tare button to zero the
balance.
2. Press the Cal button.The balance will show “Scale”.
3. Press the Mode button. The balance will show “Line”
4. Press Tare. The balance will flash “0” briefly and then flash the first calibration
weight.
5. Place the correct amount of weight (in grams) on the platform and press the
Tare button.
6. The balance will flash the next calibration weight.

MBS Series User Instructions 9
7. Place the appropriate amount of weight on the weighing platter and press Tare.
8. The calibration weight will continue to flash briefly and then become stable.
9. Once the weight is stable, remove the weight from the balance. The scale has
now been calibrated and is in regular weigh mode.
10. Press the Tare key if the scale does not return to zero.
7.0 Communications & Printing
The MBS balances can be connected to a PC or appropriate printer using a null
modem cable (not supplied). The balance will transmit the gross or net weight and unit
or the number of pieces if you are using the piece counting function.
Connecting to PC
1. Connect the appropriate cable to the 9 pin D connector on the balance.
2. Connect the other end to an available COM port on your PC.
When connecting to a PC or other device, you must cross the transmit and receive
lines.
3. Start HyperTerminal or similar utility.
The table below shows a list of available commands and their responses.
All commands are capital letters. There is no carriage return after the command.
Balance RS232
connector
5 (GRND)
3 (TXD)
2 (RXD)
9 (Empty) 5 (GRND)
3 (TXD)
2 (RXD)
1 (Empty)
Sample PC RS232
connector
RS232 Data
Baud Rate = 9600
Data Bits = 8
Parity = None
Stop Bits = 1

10 MBS Series User Instructions
Table 1.1 Available Serial Commands
Change Print Settings
You can select either Continuous Print or Print When Stable.
1. Remove all weight (except platter) and power the balance off.
2. Power the balance on.
3. During countdown (9999.99, 8888.88, 7777.77), press the Mode key. The balance
displays F1 A2t.
4. Press the Mode key. The balance displays F2 prt.
5. Press the Tare key. The balance displays either Pt-0 (continuous print) or Pt-1
(bi-directional communication) Pt-1 is the default.
6. Press the Mode key until balance displays Pt-0.
7. Press the Tare key. The balance displays either PCon (print continuous) or PStb
(print when stable).
8. Press the Mode key to toggle between P2t6 and PCon.
9. Press the Tare key to accept the setting on the display.
10. Press the On/Off key when finished. The balance powers off and the changes
are saved.
11. Connect the balance to the printer or other device.
12. Power the balance on.
Command Response Command Response
OOff TTare
MDisplays the
Counts
FMode
CCal UUnits
PPercentage WReturn displayed
weight

MBS Series User Instructions 11
8.0 Care and Maintenance
Your precision balance does not require a lot of maintenance, however, there are a few
things you can do to keep your balance operating properly.
1. Keep the balance housing and weighing platform clean and free of debris. Clean
with a soft cloth dampened with detergent as necessary.
2. Remove batteries for long term storage. (See the section on battery
replacement.)
Battery Replacement
You can expect approximately 20 hours of use when powering the balance with
batteries. Use only alkaline batteries of the correct size and pay close attention to the
markings (+ or -) inside the battery compartment.
Your balance should look similar to one of the two pictured below. Detailed instructions
are for models using screws to hold the lid in place only.
1. Remove the two screws holding the battery compartment lid on the bottom of the
scale.
2. Gently pry up the battery cover and remove.
3. Insert the correct number of batteries.
4. Replace cover and tighten screws.
5. Return balance to upright position and press the On/Off button to turn the scale
on and resume normal weighing or counting functions.

12 MBS Series User Instructions
9.0 Error Codes and Troubleshooting
If the scale shows something unexpected, you may be able to resolve it yourself. Many
times, the error can be resolved by powering the scale off and then back on again. This
section explains the various error codes you may come across and some basic
troubleshooting tips to try before calling for service.
Table 1.2 Error Codes and Troubleshooting
Problem Cause(s) Solution(s)
Err 0
This typically indicates that the
platform is too light.
Ensure that the stainless steel
cover is properly in place. Turn
the scale off and remove the
platform. Replace the platform
and reapply power. If error
persists, the weight sensor or
circuit board may be faulty and
you should contact your
distributor.
Err 1
Overweight error. The sample
being weighed is too heavy for
the balance.
Remove some of the sample. If
sample is within the balance
capacity, balance may need to
be calibrated.
Err 2
Underweight error. This error is
similar to Err 0 as it indicates
that the platform is not properly
installed.
Power off the balance and re-
seat the platform before
reapplying power to the
balance. The balance may
need to be calibrated.
Err 3
Non-zero error. This indicates
that there was weight on the
balance during power up.
Remove any weight(s) from the
platform, turn the balance off
and back on.
F1 AZT A button was pressed during
power up.
Turn the balance off and back
on again.
F2 Cnt A button was pressed during
power up.
Turn the balance off and back
on again.
Incorrect Weight Reading
Balance was not set to zero or
was not calibrated.
Press Tare to zero the balance.
Calibrate the balance as
necessary.
No Display
Power adapter not properly
connected or batteries are
dead.
Reconnect power adapter or
replace batteries.

MBS Series User Instructions 13
10.0 Specifications
Table 1.3 Specifications
MODEL MBS-150
MBS-300 MBS-600 MBS-1500 MBS-3000 MBS-6000
Capacity &
Resolution
150 x 0.005 g
300 x 0.005 g 600 x 0.01 g 1500 x 0.02 g 3000 x 0.05 g 6000 x 0.1 g
STD Deviation (e) 1
Linearity (e) 1
Corner Deviation (e) 1
Tare Range 100%
Overload Capacity Maximum Capacity+9e
Stabilization Time (s) 3 seconds
Applicable
Temperature Range
10° - 35° C
50° - 95° F
Power Source 6 AA Batteries 8 AA Batteries
Pan Size 120 mm diameter
(approx. 4.7 in.)
172 mm x 172 mm
(approx. 6.8 in x 6.8 in)
Housing
Dimensions
251 (L) x 172 (W) x 58 (H) mm
(approx. 9.9 x 6.8 x 2.3 in)
Net Weight 832 g
1.8 lbs
1560 g
3.4 lbs

14 MBS Series User Instructions

Brecknell
1000 Armstrong Dr., Fairmont, MN 56031
Toll free: 800-637-0529, Tel: [phone]
Fax: [phone]
Email: [email protected]
www.brecknellscales.com
Brecknell
Foundry Lane
Smethwick, West Midlands B66 2LP
Tel: [phone]
Fax: [phone]
Email: [email protected]
www.brecknellscales.co.uk

SÉRIE MBS
BALANCE ÉLECTRONIQUE

Déclarations de conformité
États-Unis
Cet équipement a été testé et déclaré conforme aux restrictions des appareils
numériques de catégorie A, conformément à la section 15 des règles de la
FCC. Ces restrictions sont conçues pour offrir une protection raisonnable
contre les interférences nocives lorsque l’équipement est utilisé dans un
environnement commercial. Cet équipement génère, utilise et peut émettre
de l’énergie des fréquences radio et, s’il n’est pas installé et utilisé
conformément au manuel d’instruction, peut causer des interférences
dommageables aux radiocommunications. L’utilisation de cet équipement
dans un lieu résidentiel est susceptible de provoquer une interférence
dommageable auquel cas l’utilisateur devra corriger l’interférence à ses frais.
Canada
Le présent appareil numérique n’émet pas de bruits radioélectriques
dépassant les limites applicables aux appareils numériques de la Classe A
prescrites dans le Règlement sur le brouillage radioélectrique edicté par le
ministère des Communications du Canada.
Conformité aux EMC
L’avertissement suivant peut s’appliquer à votre appareil.
AVERTISSEMENT : Ceci est un produit de classe A. Dans un
environnement domestique, ce produit peut créer des interférences radio qui
peuvent obliger l’utilisateur à prendre des dispositions idoines.

Déclaration de conformité
Fabricant
SalterBrecknell
Type
MBS
Correspond aux exigences des directives CE suivantes :
-
Compatibilitéé
lectromagnétique
Directive defaibletension:
EMC 89/336/EEC
LVD 2006/95/EC
Les normes d’application harmonisées sont :
EN60950
-
1: 2002, EN61000
-
6
-
3: 2001
EN61000-6-1:2007
Brecknell fait partie d’Avery Weigh-Tronix. Avery Weigh-Tronix est
une marque déposée de l’Illinois Groupe de œuvres outils de sociétés
dont la société mère ultime est Illinois Tool Works Inc.
(« Illinois Tool Works »). Copyright © 2016 Illinois Tool Works. Tous
droits réservés.
Le présent document ne peut être, en tout ou en partie, reproduit,
enregistré dans un système d’extraction électronique, ou transmis de
quelque manière ou sous quelque forme que ce soit, électroniquement,
mécaniquement, par photocopie, enregistrement ou autre, sans le
consentement écrit préalable du détenteur du droit d’auteur, sous
réserve des dispositions d’une loi ou d’une licence. La source doit être
totalement reconnue.
Brecknell est une marque déposée du groupe de sociétés
Avery Weigh-Tronix. Le contenu de cette publication était correct au
moment de sa mise sous presse. Toutefois, Avery Weigh-Tronix se
réserve le droit de modifier à tout moment et sans préavis les
spécifications, la conception, les tarifs ou les conditions
d’approvisionnement de tout produit ou service.

4
Balance de précision de série MBS
Nous vous remercions d’avoir acheté la balance de précision ESA. Veuillez
lire attentivement le mode d’emploi au complet avant toute utilisation et faites
attention aux éléments suivants pour assurer des lectures exactes.
1.0 Description
•Les balances MBS sont dotées d’une cellule de charge hautement
précise ainsi que d’un microordinateur, qui permettent en une simple
utilisation d’afficher les pesées stables sur le grand écran ACL.
•Cette balance est le choix idéal pour les travaux en laboratoire et les
applications éducatives. Toutefois, elle n’est pas recommandée dans les
zones de chaîne de production et de préparation alimentaire, ni dans tout
autre environnement présentant de la chaleur élevée, du froid, de
l’humidité ou des vibrations.
•Ne pas surcharger la balance. Cela endommagera la cellule de charge et
annulera la garantie.
•Inspecter régulièrement le plateau, le pare-vent, le boîtier et l’adaptateur
c.a. pour repérer les dommages.
•Pour avoir plus de détails, consulter le tableau de dépannage situé à la
fin du manuel.
•Ne pas tenter de réparer la balance si un problème existe. Contacter
votre représentant local de Salter Brecknell.
2.0 Déballage
Vérifier attentivement le contenu de la boîte. Votre balance MBS doit
comprendre chacun des éléments suivants :
•Balance électronique
•Plateau de pesée en acier inoxydable
•Adaptateur c.a. de 6 V
•Manuel de l’utilisateur
3.0 Installation
•Placer la balance sur une surface plane et stable.
•Mettre la balance à niveau en utilisant les pieds réglables et la bulle de
niveau.
•Retirer la pellicule de protection se trouvant sur le plateau en acier
inoxydable.