OHAUS Defender 3000 User manual

DefenderTM 3000 Indicators
User Guide
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i-DT33P
i-DT33XW
User_Guide_DT33-Indicators_V1

Defender 3000 Indicators EN-1
Table of Contents
1. INTRODUCTION ................................................................................................................................................2
1.1. SAFETY PRECAUTIONS ................................................................................................................................................... 2
1.2. INTENDED USE ............................................................................................................................................................ 2
1.3. OVERVIEW OF PARTS AND CONTROLS .............................................................................................................................. 3
1.4. CONTROL FUNCTIONS ................................................................................................................................................... 4
2. INSTALLATION ..................................................................................................................................................5
2.1. UNPACKING ................................................................................................................................................................ 5
2.2. EXTERNAL CONNECTIONS............................................................................................................................................... 5
2.2.1 Battery Power Supply...................................................................................................................................... 5
2.2.2 AC Power Supply ............................................................................................................................................. 5
2.3. INTERNAL CONNECTIONS ............................................................................................................................................... 6
2.3.1 Open the Housing............................................................................................................................................ 6
2.3.2 i-DT33P RS232 Connection .............................................................................................................................. 9
2.3.3 i-DT33XW RS232 Connection .......................................................................................................................... 9
3. MENU SETTINGS............................................................................................................................................. 10
3.1. MENU NAVIGATION ................................................................................................................................................... 10
3.1.1 User Menu (in segments) .............................................................................................................................. 10
4. MAINTENANCE............................................................................................................................................... 10
4.1. CLEANING................................................................................................................................................................. 10
5. TECHNICAL DATA............................................................................................................................................ 11
5.1. SPECIFICATIONS ......................................................................................................................................................... 11
6. COMPLIANCE.................................................................................................................................................. 11
LIMITED WARRANTY.................................................................................................................................................. 13

EN-2 Defender 3000 Indicators
1. INTRODUCTION
This manual contains installation, operation and maintenance instructions for i-DT33P and i-DT33XW
indicators. Please read it completely before installation and operation.
1.1. Safety Precautions
Definition of Signal Warnings and Symbols
Safety notes are marked with signal words and warning symbols. These show safety issues and warnings.
Ignoring the safety notes may lead to personal injury, damage to the instrument, malfunctions and false results.
WARNING
For a hazardous situation with medium risk, possibly resulting in severe injuries or
death if not avoided.
CAUTION
For a hazardous situation with low risk, resulting in damage to the device or the
property or in loss of data, or minor or medium injuries if not avoided.
ATTENTION
For important information about the product. May lead to equipment damage if not
avoided.
NOTE
For useful information about the product.
Warning Symbols
General hazard
Explosion hazard
Electrical shock hazard
Safety Precautions
CAUTION: Read all safety warnings before installing, making connections, or servicing this
equipment. Failure to comply with these warnings could result in personal injury and/or property
damage. Retain all instructions for future reference.
Before connecting power, verify that the equipment’s input voltage range and plug type are
compatible with the local AC mains power supply.
Do not position the equipment such that it is difficult to reach the power connection.
Only connect the power cord to a compatible grounded electrical outlet.
Only use a power cord with a rating that exceeds the specifications on the equipment label.
(Only for i-DT33P)
Make sure that the power cord does not pose a potential obstacle or tripping hazard.
Operate the equipment only under ambient conditions specified in these instructions.
The equipment is for indoor use only.
Do not operate the equipment in hazardous or unstable environments.
Do not allow liquids to enter the equipment.
Use only approved accessories and peripherals.
Disconnect the equipment from the power supply when cleaning.
Service should only be performed by authorized personnel.
WARNING: Never work in an environment subject to explosion hazards! The housing of the instrument
is not gas tight. (Explosion hazard due to spark formation, corrosion caused by the ingress of gases).
WARNING: Electrical shock hazards exist within the housing. The housing should only be opened by
authorized and qualified personnel. Remove all power connections to the unit before opening.
1.2. Intended Use
This instrument is intended for use in laboratories, pharmacies, schools, businesses and light industry. It must
only be used for measuring the parameters described in these operating instructions. Any other type of use and
operation beyond the limits of technical specifications, without written consent from OHAUS, is considered as
not intended. This instrument complies with current industry standards and the recognized safety regulations;
however, it can constitute a hazard in use. If the instrument is not used according to these operating
instructions, the intended protection provided by the instrument may be impaired.

Defender 3000 Indicators EN-3
1.3. Overview of Parts and Controls
Figure 1-1 i-DT33P Indicator
Figure 1-2 i-DT33XW Indicator
Item
Description
1
Front Housing
2
Control Panel
3
Load Cell Connector
4
Strain Relief for Option
5
Strain Relief for Power Cord
6
Rear Housing
7
Adjusting Knobs (2)
8
Hex Head Bolts (6)
Note:
There are two types of load cell connector, one supports EasyConnectTM and one does not. Therefore
the load cell connector varies for different models.
For some i-DT33XW models, the position of load cell connector, strain relief for option and power cord
may change. Please refer to the actual product.
Item
Description
Item
Description
1
Front Housing
6
Battery Cover
2
Control Panel
7
Mounting Bracket
3
Rear Housing
8
Power Cord Connector
4
Screws (5)
9
RS232 Connector
5
Adjusting Knobs (2)
10
Load Cell Connector
1
2
1
v
2
8
9
10
1
4
5
7
6
3
3
4
5
6
8
7

EN-4 Defender 3000 Indicators
1.4. Control Functions
Figure 1-5 i-DT33P Control Panel Figure 1-6 i-DT33XW Control Panel
Button
Primary Function
(Short Press)
On/Zero
If the terminal is
off, press to power
on;
If the terminal is
on, press to set
the zero point.
Print
Sends the current
value to the RS232
port if the Print
Setup →
Assignment →
Demand menu is
enabled.
Function
Initiates an
application mode.
Tare
Performs a tare
operation.
Secondary
Function
(Long Press)
Off
If the terminal is
on, press to power
off.
Units
Changes the
weighing unit.
Mode
Changes the
application mode.
Menu
Enters the user menu.
Shows a tare value in
application modes.
Menu Function
(Short Press)
Yes
Accepts the
current setting on
the display or
selects a sub-
menu or menu
item.
No
Advances to the
next menu or menu
item.
Rejects the current
setting on the
display and
advances to the
next available one.
Back
Moves back to the
previous menu
item.
Exit
Exits the user menu.
Aborts a calibration in
progress.
Exits when displaying
totalization result or
under and over value
in check mode.
Notes:
Short Press: press less than 1 second.
Long Press: press and hold for more than 3 seconds.
.

Defender 3000 Indicators EN-5
2. INSTALLATION
2.1. Unpacking
Unpack the following items:
i-DT33P or i-DT33XW indicator
Rechargeable battery (i-DT33XW)
Rechargeable battery (supplied in some regions for i-DT33P)
Mounting bracket
Knobs (2)
Quick installation guide
Instruction manual
Two jumper wires supplied for connecting a 4-wire load cell cable.
One ferrite core (supplied with some models for connecting load cell connector)
2.2. External Connections
2.2.1 Battery Power Supply
i-DT33P
Use 6 C size dry batteries (not included).
In some regions, the i-DT33P model comes with one lead-acid battery installed by factory.
Note: You can contact an authorized OHAUS dealer to buy the lead-acid battery as an option.
i-DT33XW
This model comes with one lead-acid battery installed by factory default.
Note: The lead-acid battery will charge automatically while connecting to the power supply. When charging, the
battery level indicator increases or decreases in one grid, two grids, three grids and four grids. The battery level
indicator will disappear when the battery is fully charged.
While operating on battery, the battery symbol indicates the battery status:
Battery 5%~25% remaining
Battery 25%~50% remaining
Battery 50%~75% remaining
Battery 75%~100% remaining
Attention: Before using the indicator for the first time, the internal rechargeable battery should be
fully charged for up to 12 hours. The indicator can be operated during the charging process. The
battery is protected against overcharging and the indicator can remain connected to the AC power
line.
CAUTION: BATTERY IS TO BE REPLACED ONLY BY AN AUTHORIZED OHAUS SERVICE
DEALER. RISK OF EXPLOSION CAN OCCUR IF THE RECHARGEABLE BATTERY IS
REPLACED WITH THE WRONG TYPE OR IF IT IS NOT PROPERLY CONNECTED. DISPOSE
OF THE RECHARGEABLE BATTERY ACCORDING TO LOCAL LAWS AND REGULATIONS.
Dispose of the lead acid battery according to local laws and regulations.
2.2.2 AC Power Supply
Connect the AC plug to an electrical outlet to power on the indicator. Connect the other end to the indicator if
not connected.

EN-6 Defender 3000 Indicators
2.3. Internal Connections
Some internal connections require to open the housing first. Therefore, please check the Open the Housing
section below before making connections.
CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO THE
INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS. THE HOUSING
SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL, SUCH AS
AN ELECTRICAL TECHNICIAN.
2.3.1 Open the Housing
2.3.1.1 i-DT33P
1. Turn the two knobs (circled) on each side
of the indicator to disassemble the
bracket.
2. Remove the five screws (circled) from
the rear housing.
3. Open the rear housing.
4. Close the housing and retighten the
screws after finishing internal
connections
Note: The screws should be tightened
to 1 N•m (8-9 in-lb) torque.
2.3.1.2 i-DT33P （with Lead-acid Battery）
i-DT33P comes with a lead-acid battery installed in some regions. Please follow the instruction below for
opening the housing and take out the battery.
Note: If your indicator does not contain the lead-acid battery but you want to purchase it as an accessory,
you can contact an authorized OHAUS dealer to obtain it.

Defender 3000 Indicators EN-7
1. Remove the battery cover in the direction of
the arrow.
2. Take out the lead-acid battery (circled).
3. Slightly push the end of the charging cover
(circled) in the direction of the arrow and take
it out.
4. Remove the two screws on the charging board
(circled) and take it out.
5. Remove the five screws (circled) from the
rear housing.
6. Open the rear housing.
7. Close the rear housing, retighten the screws and re-install the lead-acid battery after finishing internal
connections
Note: The screws should be tightened to 1 N•m (8-9 in-lb) torque.

EN-8 Defender 3000 Indicators
2.3.1.3 i-DT33XW
1. Turn the two knobs (circled) on each side of
the indicator to disassemble the bracket.
2. Remove the six hex head bolts from the rear
housing of the indicator.
3. Open the rear housing.
4. Close the housing and re-install the bolts after
finishing internal connections
Note: The bolts should be tightened to 2.5 N•m
(20-25 in-lb) torque to ensure a watertight seal.