KRUUSE PS250 User manual

PS250 User Instructions
PS250 Platform Scale
User Instructions
ENGLISH

PS250 User Instructions
JORGEN KRUUSE A/S 2014. All rights reserved
The information contained herein is the property of Jorgen Kruuse A/S and is
supplied without liability for errors or omissions. No part may be reproduced or
used except as authorised by contract or other written permission. The
copyright and the foregoing restriction on reproduction and use extend to all
media in which the information may be embodied.

PS250 User Instructions
Contents
page no.
Safety............................................................................................6
Warmings..................................Error! Bookmark not defined.
Safe installation........................................................................6
Safe use...................................................................................6
Cleaning the machine ..............................................................7
EMC compliance......................................................................7
1 About your machine....................................................................8
1.1 Description.........................................................................8
1.2 Display...............................................................................8
1.4 Power Error codes .............................................................9
1.5 Specification.......................................................................9
1.6 Power supply ...................................................................10
2 Weighing.................................................................................. 11
2.1 Power on & Self Test........................................................ 11
2.2 Return to Zero.................................................................. 11
2.3 [TARE/ZERO]...................................................................12
2.4 [UNIT] ..............................................................................13
2.5 Voltage testing..................................................................14
3 User mode................................................................................14

PS250 User Instructions
3.1 Automatic power-off .........................................................14
3.2 Backlight..........................................................................15
3.3 Weighing Unit Shield........................................................16
This function is used to choose the status of weighing
unit.When you choose this function,the display would show "ON
Unit".You could press.............................................................16
3.4 Mailing Address................................................................17
3.5 BaudRate Function ..........................................................18
3.6 Even-Odd check...............................................................18
3.7 Transportation..................................................................19
3.8 Hold .................................................................................20
3.9 Hit ....................................................................................20
4. Appendix：..............................................................................22
appendix 1 .............................................................................22
Appendix 2.............................................................................23
Appendix 3.............................................................................23

PS250 User Instructions
corresponds to the requirements of the following EC
directives:
A copy of the original signed declaration for this instrument is
available from:
JØRGEN KRUUSE A/S Havretoften 4 DK-5550 Langeskov
Declaration of Conformity
Manufacturer
Kruuse Shanghai Trading Co. Ltd.
Type
PS250
EMC Directive
2004/108/EC
Low Voltage Directive
2006/95/EC
Rosh Directive
2011/65/EU
The applicable harmonised
standards are:
EN60950, EN50081–1,
EN50082–1

PS250 User Instructions
Safety
Warnings
Safe installation
Take care when lifting and transporting heavy objects.
Do not overload the machine. Take care not to exceed the
weighing capacity of the machine.
Pluggable equipment must be installed near an easily
accessible socket outlet. Permanently connected equipment
must have a readily accessible disconnect device
incorporated in the fixed wiring.
For your protection all mains(110v or 230v),equipment used
out of doors or in wet or damp conditions should be supplied
from a correctly fused source and protected by an approved
RCD.
The mains lead must be connected to a supply outlet with a
protective earth contact. The electrical supply at the
socket outlet must provide overcurrent protection of an
appropriate rating.
IF IN DOUBT SEEK ADVICE FROM A QUALIFIED
ELECTRICIAN.
Safe use
To avoid the possibility of electric shock or damage to the
machine, always switch off the machine and isolate from the
power supply before carrying out any routine maintenance.

PS250 User Instructions
Cleaning the machine
CAUTION: Harsh abrasives, solvents, scouring cleaners
and alkaline cleaning solutions, such as washing soda,
should not be used especially on the display windows.
Under no circumstances should you attempt to wipe the
inside of the machine.
The outside of standard products may be wiped down with a
clean cloth moistened with water containing a small amount
of washing up liquid or disinfectant.
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.

PS250 User Instructions
1 About your machine
1.1 Description
The PS250 is a self contained portable platform scale with a remote
display. The platform is constructed of mild steel; it has four adjustable feet
for levelling and a non-slip mat for the platform. A bracket and fixings are
supplied for desk or wall mounting the indicator head. For best results,
always install the platform on a hard, flat, level surface.Astainless steel
platform version is available.
1.2 Display
Stable Net weight
Minus Hold weight
Centre of zero weighing mode
Low battery
1.3 Key functions
TARE/ZERO Switches the scale on or off.

PS250 User Instructions
UNIT Selects weighing units.
PRINT/HOLD Retains average weight display.
ON/OFF Switches the scale on or off.
1.4 Power Error codes
nnnnn Overload
Low battery warning
1.5 Specification
Capacity/resolution：
250kg x 0.1kg/ 550lb x 0.2lb
Display
5 segment LCD
Operating temperature
0~40℃
Weight
Dimension of Platform
975*600*75mm
Dimension of Display head
293*9135*76.5mm

PS250 User Instructions
（including holder）
Power supply
6 x 1.2V metal hydride
rechargeable batteries
Recharge adaptor
Input：AC 100~240V
Output：DC 12V--500mA
1.6 Power supply
The indicator head contains six metal hydride rechargeable
batteries. The low battery indicator is displayed when
the battery power is insufficient to power the scale
Recharging the batteries
Insert the AC re-charger adapter into the socket on the
indicator head to recharge the batteries.
Recharging time is approximately 4hours.
Fully charged batteries should give approximately 18 hours
of continuous use

PS250 User Instructions
CAUTION:
Always connect the AC adaptor to the indicator head before
connecting to the mains power supply.
Disconnect from the mains power supply before disconnecting
the adaptor from the indicator head.
AC adaptor：
Input：AC 100~240V
Output：DC 12V--500mA
The PS250 has four different conversion connectors:
2 pin European
3 pin UK
2 pin USA
2 pin Australia
2 Weighing
2.1 Power on & Self Test
Press [ON/OFF] to power on，the display shows “dIC-1”.After
that the scale would do self-test from “99999”to“00000”.After
self-test, the display shows the working voltage“Vb 8.2”，and
then go to the weighing mode.
2.2 Return to Zero
If there are some objects on the scale, and the weight of the
objects is less than 4% capability of the scale, the scale could be
power on normally.
If the weight of the objects is more than 4% capability of the

PS250 User Instructions
scale, the display would show "OL",means overload. You should
remove the objects, and reopen again.
2.3 [TARE/ZERO]
In weighing mode, if the object's weight is less than the 4%
capability of the scale, when you press [TARE/ZERO]button, the
scale would return ZERO;
In weighing mode, if the object's weight is more than the 4%
capability of the scale, when you press [TARE/ZERO]button, the
scale would reduce the tare.

PS250 User Instructions
2.4 [UNIT]
Press[UNIT] to switch Weighing Unit：KG、Lb、OZ、LBOZ 。

PS250 User Instructions
2.5 Voltage testing
The scale would test the voltage every 25 seconds. When the
voltage 5.6V <= U <6.5V,the display would shows just like
following ,to remind the operator to charge the battery.
When the voltage U <=5.6V,the display shows "LbAt ",and
power off
3 User mode
Press [TARE/ZERO]+[ON/OFF] buttons together to power on，
then enter the "User mode". Press [UNIT] button to move across
to the items which you require.Prsee [TARE/ZERO] button to
change the status or value of this item. Finally ,press
[PRINT/HOLD] button to save your changes and return to
weighing.
3.1 Automatic power-off
When you Press [TARE/ZERO]+[ON/OFF] buttons together to
power on, you would find following picture

PS250 User Instructions
Pr On
Pr OFF
bL 1
The display show the status of automatic power-off function.
If the display shows “PR ON", it means that the automatic
power-off function is working. If the scale shows "ZERO" and do not
work after 2 minute, the scale would be power-off automatic. If the
display shows “PR OFF”,it means that the automatic power-off
function is closed.
You could use [TARE/ZERO]button to change the status of this
function just like the following picture. After that, you could press
[UNIT] button to move across the "Backlight function"
3.2 Backlight
This function is used to choose the value of backlight, the
display shows "BL value "The value include 3 level(1~3).Press
[TARE/ZERO] button to choose the level.
"1"means the backlight is closed.

PS250 User Instructions
bL 1
bL 2
On Kg
bL 3
"2"means the backlight is always open
"3"means the backlight is in automatic status: if there are some
objects on the scale, the backlight is open and will continue working
10 seconds after remove the objects. If there is no object on the
scale, the backlight is closed.
After that, you could press [UNIT] button to move across the "Unit
Shield" function
3.3 Weighing Unit Shield
This function is used to choose the status of weighing unit.
When you choose this function, the display would show "ON Unit".
You could press [TARE/ZERO] button to choose the status.
"ON"means you could use this unit when you weighing;
"OFF"means you could not use this unit when you weighing;

PS250 User Instructions
On Kg
OFF Kg
On lb
OFF lb
On oZ
On lboZ
OFF oZ
OFF lboZ
Add 0
You could Press [UNIT] button to access into next weighing
unit. If you close all the weighing unit, the scale would choose" kg"
as default unit.
3.4 Mailing Address
This function is used to select the address of multi-machine
communication. The display shows "Add NUMBER". The "Number"
is from "0~25".The relationship between the number and letter is
just like following: ” 1=A” ”2=B” ”25=Y”.
After that, you could press [UNIT] button to move across to the

PS250 User Instructions
Add 0
Add 1
b 2400
Add 25
b 2400
b 4800
PAr 1
b 9600
Baud Rate function.
Note: If you choose "0",it means forbidden communication.
3.5 BaudRate Function
This function is used to choose BaudRate for communication.
The display would show "b Number". The number has 3 different
modes:9600/4800/2400.You could press [TARE/ZERO] button to
choose.After that, you could press [UNIT] button to move across to
the" Even-Odd check"function.
3.6 Even-Odd check
This function is used to select the" Even-Odd Check" function.

PS250 User Instructions
PAr 1
PAr 2
trn 1
PAr 3
trn 1
trn 2
Hod 1
trn 3
The display would show "PAR Number"。The number has 3 different
modes："1" means no verify for 8 digit；“ 2”means Even verify for
7 digit；“3”means Odd verify for 7 digit. You could press
[TARE/ZERO] button to choose.After that, you could press [UNIT]
button to move across to Transportation function.
3.7 Transportation
This function is used to select the transportation with the host
computer or serial print, combined with the “Hold”function to
use。
The display shows "TRN Number". The number has 3 different
modes, you could find in appendix 1. After that, you could press
[UNIT] button to move across to"HOLD"function.

PS250 User Instructions
Hit 0
Pr On
Hod 3
Hod 1
Hod 2
3.8 Hold
The display shows "Hod Number"。The number has 3
different modes ,you could press [TARE/ZERO] button to choose.
You could find the detail information in appendix 1.After that, you
could press [UNIT] button to move across to"Hit"function
3.9 Hit
The display would show "Hit,Number".The number has 4
different modes ,you could press [TARE/ZERO] button to choose.
"0"----The scale would keep the Hold status until you press
to cancel.
"1"----The time for Hold status is 10 sec,or press to
cancel；.
"2" ----The time for Hold status is 20 sec,or press to
cancel；
"3"---- The time for Hold status is 30 sec,or press to
cancel；
"4 "---- The time for Hold status is 40 sec,or press to
cancel；
When you confirm the choice, and then press [UNIT] button to