Charder R250 Series User manual

0 IN-00023 [REV001] 201709
Tower Bench Scale
R250
User’s Manual
www.charder.com
Please read this manual carefully before operating your set and retain it for future reference.

R250 Series
1 IN-00023[REV001] 201709
CONTENTS
CONTENTS...................................................................................................................... 1
INTRODUCTION.............................................................................................................. 2
Safety Precautions...................................................................................................................... 2
INSTALLATION ................................................................................................................ 2
Package Contents ....................................................................................................................... 2
Parts Description........................................................................................................................ 3
Selecting the Location................................................................................................................ 3
Power ......................................................................................................................................... 3
Battery Power............................................................................................................................. 3
OPERATION .................................................................................................................... 4
Keypad and Display Description................................................................................................. 4
Status Indicators......................................................................................................................... 4
Keypad Description .................................................................................................................... 4
Turning Scale On/Off .................................................................................................................. 4
Zero Operation & Setting ........................................................................................................... 4
Changing Units of Measure........................................................................................................ 5
Backlight Setting......................................................................................................................... 5
MAINTENANCE............................................................................................................... 6
Cleaning...................................................................................................................................... 6
Troubleshooting ......................................................................................................................... 6
Service Information.................................................................................................................... 6
TECHNICAL DATA ............................................................................................................ 7
Specifications ............................................................................................................................. 7
Disposal ...................................................................................................................................... 7
ERROR AND STATUS MESSAGE........................................................................................ 8
Error Message ............................................................................................................................ 8
WARRANTY .................................................................................................................... 8

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INTRODUCTION
This manual provides detailed instructions for the installation work, operation and maintenance instructions of the
CHARDER R250 Scale, please read this manual completely before installing and operating scale.
Safety Precautions
Please follow these safety precautions:
• Verify AC Adapter input voltage matches the local AC power supply.
•Do not insert liquids or foreign object.
• Do not operate the scale in hostile environments.
• Do not drop loads or leave permanent load on the platform. This may damage the measuring system.
• Do not place the scale upside down on the pan.
•Do not open the scale. Never attempt to make repairs yourself because this could be dangerous. The warranty is
void if this stipulation is ignored. The scale may only be opened by authorized personnel.
•Always disconnect the device from the power supply before installing, servicing, cleaning or performing
maintenance.
• Check the power cable regularly for damage. If it is damaged, immediately disconnect the device from the power
supply.
INSTALLATION
Package Contents
• R250 Scale
• AC Power Adaptor
• User’s Manual
R250 Scale
User’s Manual
AC Power Adaptor

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Parts Description
Selecting the Location
Select a firm, vibration-free and horizontal location for the scale. Avoid locations with direct sunlight, excessive air
current, heat sources, or rapid temperature fluctuations.
Power
Connect the AC Adaptor to the AC mains supply. Connect the plug to the AC jack on the bottom of the scale as shown
in the illustration below. The power outlet should be close to the scale and easily accessible.
Battery Power
The scale will automatically switch to battery operation if there is a power failure or the power cord is removed to
provide uninterrupted scale operation.
Note: When low battery is displayed, the scale will shut off after 30 seconds.
CAUTION:
Risk of explosion can occur if replaced with the wrong type or connected improperly.
Do not use the battery for any purpose other than those described in this manual.
Do not disassemble, repair or otherwise manipulate the battery pack.
Obey the local laws and regulations on disposing the battery.
Stainless Steel Pan
LCD Display
Key Pad

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OPERATION
Keypad and Display Description
Status Indicators
ICON
Description
Stability display
→0←
Zero setting activated
Negative sign
NET
Display net weight
HOLD
Display hold function
kg / lb / lb:oz / oz
Currently chosen weight unit
Keypad Description
KEY
DESCRIPTION
FUNCTION
POWER / TARE
-Turn on and off display
-Tarring
UNIT / Backlight
-Change the weighing units to alternate units of
measurement
-Display backlight
HOLD
-Call up hold function
COUNT
-Call up count hold function
Turning Scale On/Off
To turn the scale on, press the [POWER / TARE] button for 3 seconds. Scale will display and then enters the
active weighing mode.
To turn the scale off, press the [POWER / TARE] button for 3 seconds.
Zero Operation & Setting
When power on the scale and if the weight on the scale is within the initial zero tolerance, the scale will display zero
automatically.
Although there is nothing on the pan and the display is not zero, press [POWER/TARE] button to set zero to the scale.

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Changing Units of Measure
In weighing mode, use [UNIT / Backlight] to display the next available measuring unit. Repeat process to scroll
through all units.
To Start Counting
Press [COUNT] and a triangle will appear under PCS, then press and hold [COUNT] button and display will be flashing
quantity. And place a sample quantity of the items being weighed on the platform, total weight will be display. This
sample quantity should either be 10, 20, 50 or 100 pieces.
Once the weight is stable, the scale enter counting mode. You may now add more items and the count will update
automatically.
SETTINGS
Backlight Setting
Press [UNIT/ Backlight] and hold for 5 seconds to turn ON the backlight manually.
Press [UNIT/ Backlight] and hold for 5 seconds to turn OFF the backlight manually.
Tare Setting
Place an empty container on the scale and press [POWER / TARE]. The display will show a net value of “0”.
To clear the Tare value, press [POWER / TARE] with the pan empty.
Auto off Setting
Press and hold [HOLD] button, then release it until the display show
And the display will show A_OFF, press [COUNT] to enter Auto off setting and press [UNIT / Backlight] to select auto
turn off time or off this function. And press [COUNT] and press [UNIT / Backlight] to see End and press [COUNT] to
confirm setting.
Buzzer Setting
Press and hold [HOLD] button, then release it until the display show
And the display will show , press [COUNT] to enter Buzzer setting and press [UNIT / Backlight] to select on or
off this function. And press [COUNT] and press [UNIT / Backlight] to see End and press [COUNT] to confirm setting.

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MAINTENANCE
Cleaning
Before cleaning, disconnect the power plug from power outlet and remove batteries from the appliance to power off
the unit.
•Clean with a damp cloth and a mild soap or similar agents if necessary, and buffed dry with.
• Do not use any acids, alkalis or strong active solvents to clean the housing or control panels.
Troubleshooting
SYMPTOM
POSSIBLE CAUSE
REMEDY
Scale will not turn on
Battery discharged
Check the battery or adapter
Power cord not plugged in properly
Check power cord connection and
plugged in properly into the power
outlet.
Other failure
Have the scale serviced by Charder
authorized service center.
Poor accuracy
Unstable environment
Move the scale to suitable location,
refer to the manual Selecting the
Location.
Improper calibration
Perform calibration.
Service Information
If the troubleshooting section above does not resolve or describe your issue, contact your authorized Charder service
agent for further assistance or Charder Customer Support at [phone] or email to [email protected]w

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TECHNICAL DATA
Specifications
MODEL
R250
Capacity
15 kg / 30 lb
30 kg / 60 lb
120 kg / 250 lb
Graduation
5 g / 0.01 lb
10 g / 0.02 lb
100 g / 0.2 lb
Power Requirements
100 V - 240 V DC 15V AC adapter
4-AA batteries
Weighing Units
lb:oz, oz, kg, lb
Display
1.4 in LCD with backlight
5-digit 7-Segment, Character height 21 mm/0.83 in
Key Function
4 Keys
Power / Tare, Unit / Backlight, Hold, Count
Operating
Temperature and
Humidity
5°C to 35° C / 41°F to 95°F
15% - 85% RH
Application Mode
Weighing, counting
Construction
304 Stainless Steel platform and ABS plastic bottom
Platform Size
340 x 294 mm / 13 1/3" x 11 1/2"
Assembled
Dimensions
348 x 340 x 55 mm / 13 2/3" x 13 1/3" x 2 1/5"
Weight
2.5 kg / 5.5 lb
Disposal
In conformance with the European Directive 2002/96 EC 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.

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ERROR AND STATUS MESSAGE
Error Message
ERROR MESSAGE
DESCRIPTION
REMEDY
Low battery indication
Connect the power and recharge
the battery.
Zero value is too high or too low
when power on
Empty load plate before power up
and check if scale is placed
correctly.
Recalibrate the scale.
Zero value is too high when power
on
Empty load plate before power up.
Recalibrate the scale.
Zero value is too low when power on
Check if scale is placed correctly.
Recalibrate the scale.
Overload
Remove excess weight and use
scale within its limits.
WARRANTY
Charder scales are warranted against defects in material and workmanship for a period of 1(one) year from the date
of purchase. Please retain your receipt as proof of purchase. Warranty expiration on products returned without proof
of purchase will be determined from the manufacturing date code or the date of shipment to the authorized dealer.
Coverage may be invalidated as this date is previous to purchase date. No other express or implied warranty is given
by Charder.
Freight damage on returns is not covered under warranty.
This warranty does not apply for following reasons, the product has been damaged by accident or misuse, parts and
products of a consumable nature, exposed to radioactive or corrosive materials, has foreign material penetrating to
the inside of the product, or as a result of service or modification by other than Charder.

R250 Series
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Charder Electronic Co., Ltd.
No.103, Guozhong Rd.,
Dali Dist., Taichung City
41262 Taiwan (R.O.C.)
Tel: [phone]
Fax: [phone]
http://www.charder.com
IN-00023 [REV001] © 2017 Charder Electronic Co., Ltd., All rights reserved