UWE W75 Series User manual

W75 Series
Digital Weighing Scale
Operation Manual
Universal Weight Electronics
January 2018 V1
X0W75030000

TABLE OF CONTENT
1. BEFORE USE FOR THE FIRST TIME
2. INTRODUCTION
3. PANEL AND KEYBOARD
4. INTERNAL FUNCTIONS
5. INSTRUCTION TO USE
6. DAILY CARE AND MAINTENANCE
APPENDIX:
-ERROR CODES
-COMPUTER COMMAND
-DISPLAY SEGMENT DEFINITION

1. BEFORE USE FOR THE FIRST TIME
●Thank you for purchasing an UWE product, please read this instruction carefully before start
using. You shall find the following items inside the box:
W75 indicator x 1
Switch power adaptor x 1
Operation manual x 1
Platform (when purchase as complete scale) x 1
If you don’t find all the items as described above, please contact your dealer for further assistance.
●When equips with a platform, place the scale in a stable environment and adjust the
adjustable feet to a level position by referring to the bubble level
●The indicator/scale is equipped with rechargeable battery, please charge it until the charging
indicator turns green to ensure the best battery performance
●Always use factory supplied power adaptor for charging purpose, an unapproved power
adaptor may shorten the battery life and further damages the electronic components
●Warm up the scale for 15 minutes before use for the first time
●Make sure the capacity and division setup on the display when switching on is the same as the
data plate
●Avoid to use the scale when the environment is with strong wind, vibration and strong
magnetic field
●Use it within the recommended temperature range and avoid wet environment
●Recharge the battery immediately when battery status indicator starts flashing
●Use damp cloth to clean the scale if necessary, excessive moisture is prohibited
●When not using, switch off the power and keep the scale in a dry and cool place

2. INTRODUCTION
SPECIFICATION
Model No.
W75
LCD Digits
W75 - 5 1/2 digits
Input Voltage
-15mV ~ +15mV
Input Sensitivity
0.9μV/e (Legal Approved: 1/10000)
Non-Linearity
0.01% of Maximum Capacity
Load Cell Excitation Voltage
DC 5V
A/D Conversion Type
Δ-Σ Delta-Sigma 24 bits
A/D Internal Resolution
1,000,000 Counts
A/D Conversion Rate
10 times/second
External Resolution
Legal Approved: 1/10000
Non-approved: 1/30000 (Recommended)
Power-on Zero Range
±10% of Max
Zero Range
±2% of Max
Tare Range
Full Range Tare
Weighing Units
Kg, g, lb, PCS
Power Source
External AC Adaptor: AC100~240V, DC9V/0.6A
Built-in Rechargeable Battery:
W75/W75: 6V/4Ah
Operating Environment
-10 ~ 40oC Non-condensed. R.H.≦ 85%

3. PANEL AND KEYBOARD
PANEL
W75
1. ZERO INDICATOR
This sign appears when scale is at zero weight status.
2. NEGATIVE INDICATOR
This sign appears when weighing result is below true zero
3. NET INDICATOR
This sign appears when tare function is engaged and weight shown is the net weight.
4. STABLE INDICATOR
This sign appears to indicate the scale is at its equilibrium status.
5. WEIGHING UNIT
This indicates the weight unit which the scale is currently measuring:
A metric unit of kg or g can be set.
An imperial unit of lb can be set.
6. PIECE COUNTING FUNCTION
This sign appears when scale is in piece counting mode.
7. PRESET TARE INDICATOR
This sign appears when a preset tare value is entered and engaged.
8. W1
This indicates the scale is set with dual range, and the weight is within the first range.
9. W2
This indicates the scale is set with dual range, and the weight is within the second range.

10. MR
This indicator appears when value shown on the display is the total saved value.
11. M+
This indicator appears when memory contains data.
12. AVERAGE FUNCTION
This indicator appears when digital motion filtering function is engaged.
13. ANIMAL WEIGHING FUNCTION
This sign appears when scale is in animal weighing mode, which the scale is now operating at
maximum motion filtering level.
14. BATTERY STATUS
This indicates the power level of the rechargeable battery, and should be charged immediately
when the sign starts flashing to prolong the time of rechargeable battery.
15. CHARGING STATUS
Red light indicates AC power is supplied and charging is in process.
Green light indicates charging completed
KEYBOARD
Press this key to turn on the scale, or press and hold this key to turn off the
scale
1. 1. Press this key to manually set the display value to zero, please refer to
specification for manual zero range
2. Press this key to increase the value under internal setup mode
1. 1. Press this key to tare the weight off from the platter
2. Press and hold this key to enter Pre-Tare setup
3. Press this key to right shift under internal setup mode
1. Press this key to switch weighing unit from metric to imperial(when this
unit is enabled) and to piece counting
Press this key to save the weighing result to memory
Press this key to recall the total accumulated weighing results from memory
Press this key to clear the data saved in memory

4. INTERNAL FUNCTION
Because of metrological legislation, accessing to some internal functions is limited to authorized
person only when this unit is set to legal for trade. DO NOT try to open the scale or manipulate with
the hardware seal when the unit is metrological approved. Please contact your dealer for more
information. All internal functions are listed below, some are restricted for dealers only.
DISPLAY
FUNCTION SETTING
ACCESS CONDITION
F 0
Zero tracking range
Dealer only when LOCKED
F 1
1. Analog to digital offset value
2. Function key test
Open
F 2
1. LCD segment check and software version information
2. Adjusting backlight brightness
Open
F 3
Scale configuration setup
Dealer only when LOCKED
F 4
Auto power off
Dealer only when LOCKED
F 5
Transmission protocol for RS-232/RS-485
Open
F 6
1. Digital motion filter
2. Animal weighing
Open
F 7
transmission mode & data format for RS-232/RS-485
Open
F 9
Auto tare
Open
F 16
Turning on/off real time clock
Open
F 17
Time and date setup
Open
F 18
Buzzer sound
Open
F 20
Manufacturing site gravity value setup
Dealer only when LOCKED
F 21
Final destination gravity value setup
Dealer only when LOCKED
F 38
Backlight timing
Open
F 99
High resolution verification mode
Dealer only when LOCKED
F 100
Reset to factory default
Dealer only when LOCKED

FUNCTION DEFINITION AND SETUP
●Press and hold TARE and press ON/OFF, display shows F1
●Use TARE (next) or MR (previous) to scroll through the internal setting menu, and press MODE
to enter the setting.
●Use ZERO in sub-setting menu to scroll through available options. Press MODE key to confirm
and exit.
●Press ZERO and display will show SAVE. If setting was changed, user can either press MODE for
yes to save the changes made or press ZERO for not to save the changes.
CAUTION: BEFORE LEAVING THE INTERNAL SETTING, ALL CHANGES MUST BE SAVED OTHERWISE
THE SCALE WILL STILL FUNCTION UNDER THE OLD SETTING.
Offset Value & Function Key Test (F1)
Under this function scale will show the offset value and be able to check the function of each key.
LCD Segment Check and Backlight Adjustment (F2)
Under this function all segments and indicators will be in flashing mode as well as backlight for user
to check if function properly.
Press ZERO to adjust the backlight brightness. There are five settings, press MODE to confirm
setting. Backlight brightness also has 5 level selections for optimal viewing.
Auto Power Off (F4)
Under this function, user can select auto power off timing among 5 minutes, 10 minutes, 15
minutes and 20 minutes or disable the function. There are 5 settings, the numerical digit means the
minutes to power off when scale idles. ALL.on means the Scale will never automatically turn off
unless manual intervention.
5.oFF -> 10.oFF -> 15.oFF -> 15.oFF -> ALL.on
Transmission Protocol (F5)
Under this function, user can select the transmission interface, speed, mode and format for RS-232
and also the communication protocol.
When display shows F5, press MODE to enter the function
First level selection:
nonE / rS232
Second level selection:
bAUd / ProtL
Selection under bAud:
2400 / 4800 / 9600 / 19200 / 38400 / 115200bps
Selection under ProtL:
n.8.1 / E.7.1 / o.7.1 / E.8.1
use MODE key to enter, ZERO to change, MODE key to confirm
Terminology:
nonE: no data output
bAud: baud rate
rS232: data output through RS-232
ProtL: transmission protocol

Digital Motion Filter (F6)
Under this function, user can enable digital motion filtering function if the weighing environment is
unstable. User also can engage animal weighing function for maximum performance. The scale is
equipped with 3 filter speeds:
Filt 0 -> Filt 1 -> Filt 2
Transmission Mode (F7)
Under this function, user can select the transmission mode and data format.
First level selection:
StrM / Manu / CMd / Auto
Second level ForMt:
SEr.1 / SEr.2
use ZERO key to select, MODE key to confirm
StrM: stream mode, data continuous sending when stable (ForMt only has Ser.1 available)
ST, NT, 100.01kg
ST, NT,- 100.01kg
…………………………….
Manu: manual mode, data sends once when manually pressing keypad (press M+ to send one data,
press MC to clear memory and send total value)
●When format is set at Ser.1-
Press M+ to send single data (as Ser.1 ForMt), and will not print total value.
ST, NT, 100.01kg
ST, NT,- 100.01kg
…………………………….
●When format is set at Ser.2-
Press M+ to send single data, press MC to send total value (as Ser.2 format)
S/N WEIGHT UT
1 100.02 kg ←press M+ to print single data
2 99.01 kg
3 1210.05 kg
4 10.12 kg L
…………………………
---------------------------------
Sum 9876.10kg ←press MC to print total value
CMd: command mode, data sends when receiving command from computer
(READ/ZERO/TARE/NTGS..)
When receiving READ command, indicator will only transmit Ser.1 format.
All other commands will not trigger the data transmission but changing the mode
(ZERO/TARE/NETGS)
NOTE:
1. When tare function is not engaged, net weight equals to gross weight, so RS-232 will transmit
data in NET status.

2. When Command Mode is selected in F7, GROSS status will be transmitted under NTGS command.
ST, NT, 100.01kg ←net weight
ST, NT,- 100.01kg
US, GS, 1000.01kg ←gross weight
Auto: automatic mode, data sends once when weighing result stables
●When format is set at Ser.1-
Indicator will automatically send single weighing result when display stables and over 20e, it does
not support to print total value.
ST, NT, 100.01kg
ST, NT,- 100.01kg
US, GS, 1000.01kg
………………………………
●When format is set at Ser.2-
Indicator will automatically send single weighing result when display stables, press MC to clear
memory and print total value (as Ser.2 format)
S/N WEIGHT UT
1 100.02 kg ←automatically send one weighing result when display stables
2 99.01 kg
3 1210.05kg
4 10.12 kg
………………………….
----------------------------------
Sum 9876.10kg ←print total result when MC is pressed
●When Real Time Clock function is enabled
When indicator is set at rtC.on, date and time information will be included in the RS-232 data
stream:
When F7 is set at Ser.1
2015/04/25 10:30:21 ST, NT, 100.01kg
2015/04/25 10:30:39 ST, NT, 210.00kg
When F7 is set at Ser.2
2015/04/25 10:31:21
S/N WEIGHT UT
1 100.02 kg
2 99.01 kg
------------------------------------
Sum 199.03 kg
Printer Selection (F8)
Under this function, user can select the peripheral which the scale will be connected to.
PC for computer -> tEC for Toshiba TEC printer -> ArGoX for Argox printer -> tSC for TSC printer ->
SH-24 for 24 columns Dot Matrix printer
Auto Tare & Automatic Continuous Tare (F9)