Wedderburn WS201 User manual

Operator Manual
for
WS201 Digital Bench Scale

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WS201 Digital Bench Scale
Table of Contents
1. Safety Instructions................................................................................................................................... 3
1.1. Electrical Safety.........................................................................................................................3
1.2. Choosing a Suitable Location....................................................................................................3
1.3. General Operating Recommendations.....................................................................................3
1.4. Cleaning and Maintenance.......................................................................................................3
1.5. Keypad and display ...................................................................................................................5
1.6. Sample Counting.......................................................................................................................5
1.7. Setting Mode ............................................................................................................................6
1.8. Description of Parameter Values..............................................................................................6
1.9. Trouble shooting and Error message........................................................................................7
2. Wedderburn Contact .............................................................................................................................. 7

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WS201 Digital Bench Scale
1. Safety Instructions
Before operating the WS201 instrument, please carefully read all instructions and keep for reference.
1.1. Electrical Safety
The WS201 instrument can be powered by 4 dry cell C type batteries or by a 100V –250V at 50 Hz - 60 Hz
power adaptor suppling 6V DC.
Batteries are available from Wedderburn. The part code is OR0792 x 4 pieces.
Power pack is available from Wedderburn. The part code is RD0344.
Precautions when using power adaptor:
•Do not use power adaptor outside stated supply range or damage & or fire will result.
•Inspect for damage to body, cord and plug, do not used if damaged.
•Do not place instrument in locations where damage can result.
RCD (Residual Current Device) connected to power circuits are recommended.
1.2. Choosing a Suitable Location
When locating your instrument please consider the following:
•For safety of users and other personnel do not locate instrument in thoroughfares or where collision
or tripping may result.
•Insure operation location of the instrument is in well-lit areas to avoid eye strain of user.
•Position instrument on a flat and solid platform (bench, table, etc).
•Do not place instrument in location where damage could result
•Position instrument in such a way as to be comfortable for operation of use.
•Care must be taken with power adaptor cord so that it is not placed in a position where it can
become a trip hazard.
1.3. General Operating Recommendations
The following recommendations should be observed when operating the instrument:
•Do not spill liquids of any kind onto instrument.
•Do not load instrument over the rated Maximum capacity or damage to the instrument may result.
•Be aware that that electro –static discharges may cause damage to the instrument, use appropriate
measures to avoid static build up in work area.
1.4. Cleaning and Maintenance
Other than periodical cleaning of the exterior of the instrument no other maintenance by user is require.
Note: The instrument must not be dismantled.
Routine Inspection and Testing
Regular inspection and testing of this weighing instrument by a Wedderburn service person will minimise
most hazards and should ensure trouble free and safe operation
Disposal of Dry Cell Batteries
Batteries contain heavy metals and toxic elements such as nickel, cadmium, mercury and lead acid. If
batteries are disposed of in land fill these elements can leek out and damage our environment. There are
Recycle programs that are set up to dispose of used batteries, contact your local council for recycling

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WS201 Digital Bench Scale
options.

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WS201 Digital Bench Scale
1.5. Keypad and display
Turns the instrument ON/OFF
Sets display to zero
Tares weight of item on pan
Steps through active units
Toggles between net /gross weight
Low battery indicator.
TARE - Tare lamp turns on indicating the container on the weighing platform has been Tared.
ZERO - Zero lamp turns on indicating the instrument is in zero mode.
Kg, g, lb, oz, pcs units of measurement
1.6. Sample Counting
1 Press to select the unit “PCS”.
2 Press to choose the sampling amount. Available options are “= (10 pieces), = (20
pieces), = (50 pieces), and = (100 pieces).
Put the corresponding samples on the weighing platform, then press
“” is displayed momentarily before the display reverts to the sample size. Remove the samples
and put the load on, the instrument begins to count.
4. To return to normal weighing mode, press to select the proper weighing unit.
NOTE:
•The larger the sample size, the more accurate unit weight.
•The sampling result is retained when the unit is turned on.

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WS201 Digital Bench Scale
1.7. Setting Mode
1 Press and hold while turning on the instrument. Do not release till the OFFSET
value is displayed.
2 Press , the screen displays “”
3 Press to step through available settings
4 Press to initial the displayed setting, and then press to step through internal
parameters.
5 Press to save the setting, press to exit without saving.
6 Press key to save the settings and back to the weighing mode.
1.8. Description of Parameter Values
Set the activation mode of backlight. Options are Auto=Auto on with items greater than 9d
placed on the weighing platform, ON = Backlight on and OFF=Backlight off.
Set the period of inactivity before the scale automatically turns off. Options are NO=non power-
off, 5, 10 and 15(minutes).
Set the desired external devices. Options are PC, GODEX, BIRCH, ZEBRA and DMP.
Note:
DMP refers to dot matrix printer. eg. TP, SH-24
The default print mode is stable print. (Stable print=the scale will print out data when the display is stable,
remove the items before the next record can be printed out).
Scale initialization.

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WS201 Digital Bench Scale
1.9. Trouble shooting and Error message
2. Wedderburn Contact
For any further enquiries, please contact your local Wedderburn branch.
Phone: [phone]
Fax: [phone]
Website: www.wedderburn.co.nz
Error
Trouble shooting
1. Remove any weight from weighing platform and reboot the instrument.
2. LOAD CELL failure, please contact Wedderburn Service.
1. PCB or Load cell is defective, please contact Wedderburn Service.
Reboot the scale.
1. Remove any weight from weighing platform and reboot the instrument.
2. Batteries are weak, replacement is required.
Overload condition or the total count value is beyond the scope of window display
Incorrect calibration weights, contact Wedderburn Service to recalibrate the instrument.