DIGIWEIGH DWP-98 User Manual

DWP-98 Series

Counting scale

User’s Guide

PLEASE READ THIS MANUAL VERY CAREFULLY BEFORE
ATTEMPT TO OPERATE THE INSTRUMENT

Specifications subject to change without prior notice

CONTENTS

1. INSTALLATION

2. SPECIFICATIONS

3. KEYS, DISPLAY AND CONNECTIONS

4. GETTING STARTED

5. INITIAL SETUP

6. INSTRUCTION FOR USE

7. RS232 DATA OUTPUT

8. BATTERY POWER AND RECHARGING

9. ERROR CODES

10. DAILY CARE AND MAINTENANCE

Appendix A: -
About Bi-Directional Communication

INSTALLATION

Because of metrological legislation, installation/some
metrological parameter settings are limited to be done by
authorized personnel only. Do not attempt to change any of the
built-in metrological parameters. Contact your dealer for more
information and technical assistance.

To ensure performance accuracy, do not use the instrument in
where or when the environment condition falls beyond as those
listed on SPECIFICATIONS.

Do not attempt to open the instrument, no user serviceable
parts inside.

Interface

RS232

Stabilisation

time

2 second typical

Operating

temperature

0°C - 40°C / 32°F - 104°F

Power supply

220~240V AC (110V optional) 50/60Hz

built-in rechargeable battery 6V4AH.

Display

3 windows 6 digits 0.8’LCD display.

and 11 status indication

Zero range

0mV~8mV

Housing

ABS housing and Stainless steel pan(230*290mm)

ADC

Σ-Δ

External

Resolution

1/30000; 1/60000

Interface

RS-232 Output

Other function

Real-time clock and units conversion (kg,lb)

Model#

DWP-98CDH

DWP-98CBH

DWP-98CAH

Max Capacity

3kg

15kg

30kg

Readability

0.05g

0.2g

0.5g

1. SPECIFICATIONS

2.1 GENERAL SPECIFICATIONS

DWP-98 Series(resolution 1:60000; unit :kg/lb)

Common Specification

2. KEYS, DISPLAY AND CONNECTIONS

1. UNIT PIECE WEIGHT SET KEY
Press this key to confirm the unit piece weight entered by numeric keys.

2. WEIGHT UNIT KEY

Press this key to shift among various weight units.

3. M+ KEY

Press this key to accumulate the current quantity to memory or to recall the
accumulated total quantity when unloaded.

4. TARE KEY

Press this key to tare off the weight of a container.
Press this key to enter parameter

5. SAMPLE QUANTITY SET KEY

Press this key to confirm the sample size (pieces) entered by numeric keys.

6. CHECK KEY

Press this key to set upper & lower quantity check limit and to trigger the

quantity check mode.
Press this key as next parameter when setting

7. PRINT KEY

Press this key to send print data to a printer.
Press this key as last parameter when setting

8. ZERO KEY

Press this key to set weight displayed to zero when an empty scale has
drifted away from a true zero reading.

9. CE KEY
Press this key to clear value entered.

10. NUMERIC KEYS

Numeric keys 0 ~ 9 and decimal key.

11. BATTERY POWER / LEVEL INDICATOR

This indicator appears to show:-

 The instrument is running on the built-in rechargeable battery,
 It shows the remaining battery level.

12. SPARE

No assignment.

13. ZERO INDICATOR

Visible when instrument at true zero weight status.

14. NET INDICATOR
Visible when tare function is in effect. The weight being shown on Weight
Panel is net weight.

15. STABLE INDICATOR

Visible when weight reading is stable.

16. WEIGHT UNIT INDICATOR

kg = kilogram, g = gram, lb = pound

17. UNIT PIECE WEIGHT INDICATOR

The value left to it is the unit piece weight. This indicator remains visible
during normal operation status.

18. INSUFFICIENT SAMPLE WEIGHT CARNING INDICATOR

Visible when total weight of the sample size is below satisfactory level. If
possible, increase the sample quantity unit this indicator disappears.

19. INSUFFICIENT UNIT PIECE WEIGHT CARNING INDICATOR

Visible when the unit piece weight of the sample is below satisfactory level.
If possible, increase the sample quantity.

20. TOTAL INDICATOR

Visible when total accumulated quantity is being displayed.

21. QUANTITY INDICATOR

The value left to it is the quantity of the current transaction. This indicator
remains visible during normal operation status.

22. QUANTITY CHECK RESULT INDICATORS

 HI = Quantity is higher than the HI limit set.
 OK = Quantity is in between than the low and HI limits set.
 LO = Quantity is lower than the LO limit set.

A. WEIGHT PANEL

Weight value is shown here.

B. UNIT PIECE WEIGHT PANEL

Unit piece weight is shown here.

C. QUANTITY PANEL

Quantity value is shown here.

D. BUBBLE LEVEL

Refer to this bubble to obtain a horizontal position for the instrument.

E. CHARGE STATUS INDICATOR

Red = Recharging battery; Green = Charging completed.

F. ON/OFF KEY
Press this key to turn the instrument on or off.

G. DC JACK INPUT

External power adaptor is plugged in here.

H. RS232 COMPORT

9 pin (DB9) RS232 interface output for connection with computer and other
peripherals.

4. GETTING STARTED

In order to obtain accurate weighing and counting result, the instrument
must be placed on a strong and level surface horizontally.

Avoid using the instrument in environment where excessive wind flow,
vibration and extreme temperature change exist.

The instrument should be installed CA from any sources of excessive
electrical noise. For full EMC or for RFI immunity, termination of cable
shields and correct grounding of the instrument is essential.

General warning: -

 The instrument is not an explosion proof device.
 The instrument is not a water proof device.
 Do not open the instrument, no user serviceable parts inside.

Always contact your dealer for service.

 The instrument not to be subject to shock, excessive vibration

or extremes of temperature (before or after installation).

4.1 BUILT-IN RECHARGEABLE BATTERY

The instrument is equipped with a built-in rechargeable battery. Before first
time use, recharge it for at least 8 hours to ensure the best battery
performance.

4.2 POWER ADAPTOR

Before plugging in the power adaptor, check and make sure the input
voltage of the adaptor matches with output voltage of the electricity outlet. If
not, contact your dealer immediately.

4.3 CONNECTING OTHER DEVICES

AlCAys turn the instrument off before making any connections or
disconnections with external devices.