OHAUS NV123 Manual de usuario
NavigatorTM Series Balances
Instruction Manual
Balanzas serie NavigatorTM
Manual de instrucciones
Balances de la série NavigatorTM
Bedienungsanleitung
für die Waagen der NavigatorTM-Serie
Bilance Serie NavigatorTM
Manuale pe
NavigatorTM EN-1
1. INTRODUCTION
This manual contains installation, operation and maintenance instructions for the NavigatorTM Series.
Please read the manual completely before using the balance.
1.1 Definition of Signal Warnings and Symbols
WARNING
For a haz
ardous situation with medium risk, possibly resulting in
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 injuries if not avoided.
Attention
For im
portant information about the product
Note
For useful information about the product
General hazard
Electrical shock hazard
1.2 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.
mains power supply.
Position the instrument such that the AC adapter can be easily disconnected from the wall socket.
Position the power cord so that it 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 explosive environments.
Only use the equipment in dry locations.
Only use approved accessories and peripherals.
Disconnect the equipment from the power supply when cleaning.
Service should only be performed by authorized personnel.
1.3 Intended Use
Use the instrument exclusively for weighing as described in the 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 of the instrument may be
compromised and OHAUS assumes no liability.
EN-2 NavigatorTM
1.4 Controls
Button
Functions
Zero
Yes
Short Press
(when on)
:
Sets display
to zero
(when off): Turns balance on
Long Press (when on): Turns the balance off
Short Press (in Menu): Selects/accepts displayed setting
Print
Units
No
Short Press:
See Interface Manual for operation description.
Long Press: Toggles through active units
Short Press (in Menu): Toggles through available settings
Function
Mode
Back
Short Press
:
Selects function setting
Long Press: Selects active Mode
Short Press (in Menu): returns to previous settings
Tare
Menu-Cal
Exit
Short P
ress:
Enter / clear a
Tare
value
Long Press: Enters User Menu
Short Press (in Menu): Quickly exit User Menu
IR Sensor
*
IR Sensors can be programm
ed to act as
a
. See the
User Menu section 4.3 for the available settings.
The IR Sensors can be activated by a hand or other object that is placed about 12mm (½ inch)
above the sensor location. The sensor activation distance will vary based on the reflective nature of
the object. If unwanted activations occur due to unique situations the sensor can be turned off.
*Availability of IR Sensor is dependent on model and region.
NavigatorTM EN-3
2. INSTALLATION
2.1 Transportation Lock
The Transportation Lock is located under the balance. Rotate the pointer to the unlocked position.
2.2 Location
Use the balance on a firm, steady surface. Avoid locations with excessive air current, vibrations, heat
sources, or rapid temperature changes.
Adjust the leveling feet so the bubble is centered in the circle.
2.3 Power
The AC Adapter is used to power the balance when battery power is not needed.
Connect the AC Adapter plug to the
input jack.
Connect AC Adapter to the
proper AC supply.
Battery installation (without optional internal battery):
Remove battery cover and install 4 batteries using the polarity indications as shown in the
compartment.
Input Jack
Battery
Cover
EN-4 NavigatorTM
Optional rechargeable battery*
Balances with the optional rechargeable battery will need to be charged for 12 hours before the
balance can be operated on battery power for the first time. The battery is protected from
overcharging so the balance can remain connected to the AC power. When the battery is fully
charged the battery indicator on the display will stop blinking.
To remove the rechargeable battery option and install C cell batteries, reference the Recharging
Battery Option instruction manual for step by step instructions as well as disposal instructions.
CAUTION: Risk of explosion can occur if the rechargeable battery is replaced with
the wrong type or if it is not properly connected.
Note:
After power on, it is recommended to warm up the balance for at least 5 minutes before using it.
*Availability of IR Sensor is dependent on model and region.
2.4 Initial Calibration
When the balance is first installed it should be calibrated to ensure accurate results.
Press and hold Menu-Cal until [ ] (Menu) is displayed. When the button is released, the display
will display [ ]. Press Yes to accept, [ ] will then be shown. Press Yes again to begin the
span calibration. [ ] blinks while zero reading is stored. Next, the display shows the calibration
weight value. Place the specified calibration mass on the pan. [ ] blinks while the reading is
stored. The balance returns to the previous application mode and is ready for use.
NavigatorTM EN-5
3. OPERATION
All modes except for weighing must be activated in the User Menu before they are available, see
Section 4.
3.1 Weigh Mode
1. Press and hold Mode until [ ] (Weigh) is displayed.
2. If required, place an empty container on the pan and press Tare.
3. Add material to the container. The display shows the weight of the material.
3.2 Parts Counting Mode
This mode counts large numbers of items based on the weight of a reference count.
1. Place an empty container on the pan and press Tare.
2. Press and hold Mode until [ ] (Count) is displayed. [ ] (Clear Average Piece
Weight) will then display.
3. Press No to use the stored APW. Proceed to step 6.
4. Press Yes to establish an APW. The balance will then display the stored sample size, i.e. [
]. Press No or Back to toggle the choices (5, 10, 20, 50 or 100).
5. Put the indicated number of pieces on the pan then press Yes to calculate the APW. The
display shows the piece count. Note: Press Function to view the current APW.
6. Add additional pieces until the desired count is reached.
7. To clear the stored APW press and hold Mode until [ ] is displayed. Press Yes when
[ ] is displayed.
3.3 Percent Mode
This mode measures the weight of a sample as a percentage of a reference weight.
1. Place an empty container on the pan and press Tare.
2. Press and hold Mode until [ ] is displayed. [ ] (clear reference) will then display.
3. Press No to use the stored reference weight and proceed to step 6.
4. Press Yes to establish a new reference. Balance will now display [ ].
5. Add the desired reference material to the container. Press Yes to store the reference weight.
The display shows 100%.
Note: Press Function to view the current reference weight.
6. Replace the reference material with the sample material. The display shows the percentage of
the sample compared to reference weight.
7. To clear the stored reference press and hold Mode until [ ] is displayed. Press Yes
when [ ] is displayed.
EN-6 NavigatorTM
3.4 Checkweigh Mode
This mode sets low and high weight limits for portion control processes.
1. Press and hold Mode until [ ] (Check) is displayed. [ ] (clear references) will then
display.
2. Press No to use the stored reference weight limits and proceed to step 5.
Note: Press Function to view the low and high reference weight limits.
3. Press Yes to establish new reference values. The balance will then display [ ]. Press
Yes to view Low . Press Yes to accept or No to . The
stored value then displays with the first digit highlighted [ kg]. Repeatedly press No
until the desired number appears. Press Yes to accept and highlight the next digit. Repeat until
all the digits are correct. Press Yes [ ] will be displayed.
4. Repeat the same procedure to accept or edit
5. Place sample material on the Pan. The ccept indicator will now show that the sample weight
is within the acceptable range.
6. To clear the stored reference values press and hold Mode until [ ] is displayed. Press Yes
when [ ] is displayed.
4. SETTINGS
The User Menu allows the customizing of balance settings.
Note: Additional Sub-Menus may be available if Interface Options are installed. See Interface User
Manual for the additional setting information.
4.1 Menu Navigation
User Menu:
Sub
-
Menu
s
:
.
C
.
a
.
l
.
.
S
.
e
.
t
.
u
.
p
.
*
.
M
.
o
.
d
.
e
.
.
U
.
n
.
i
.
t
.
*
.
E
.
n
.
d
.
Menu Items:
Span
Lin
End
b.light
A-OFF
IR**
Filter
AZT
Stab
Stab.C
End
Count
Percnt
Check
End
g
kg
End
* Note: Available settings vary by models and regions
**Availability of IR Sensor is dependent on model and region.
Press and hold Menu until [ ] (Menu) is displayed. When released the first sub-menu [ ]
(Cal) will be shown.
Press Yes to enter the displayed sub-menu or press No to advance to the next.
Selecting a sub-menu will display the first menu item. Press Yes to view the menu item setting or
press No to move to the next menu item. When viewing the setting, press Yes to accept the setting, or
press No to change the setting. When [ ] is displayed, press Yes to return to the sub-menu
selections or No to return to the first item in the current menu.
NavigatorTM EN-7
4.2 Cal Sub-Menu
Span [ ] (yes, no) - Initiates a span calibration procedure (zero and span). A span
calibration is important when initially setting up the balance.
Lin [ ] (yes, no) - Initiates a linearity calibration procedure (zero, mid-point and span).
4.3 Setup Sub-Menu
Back Light [ ] (on,off,Auto)-When Back light is set to "on" the balance will always "on".
When Back light is set to "Auto" the balance will turn on when a button is pressed or the display
weight changes.
Auto Off [ ] (on, off) - the balance will turn off automatically
after 5 minutes of inactivity. Auto off is used to save battery power.
IR Sensor [ ] (Off, Tare, Function, Print, Zero, Display) - These settings determine the
-
sensor.*
Filter [ ] (L1,L2,L3,L4 ) set the amount of signal filtering
L1 >L4
Stability
Less > Greater
Stabilization time
Faster >Slower
Auto Zero Tracking[ ] (OFF,0.5d,1d,3d,5d,8d,10d) Set the automatic zero tracking
functionality. The display will maintain zero until a change of "0.5d,1d,3d,5d,8d,10d" divisions
per second has been exceeded.
Stable [ ] (0.5d,1d,2d,5d) Set the amount of the reading can vary while the stability
symbol remains on.
Stable Compensation [ ] (on, off) - Set the automatic stable tracking functionality. Set it
"off" for dosing or filling application.
Note: Bold always represents factory default Value
*Availability of IR Sensor is dependent on model and region.
4.4 Mode Menu
This sub-menu activates modes so they will be available for use with the Mode button. Weigh mode is
always active.
Parts Count [ ] (on, off) - Set on for the mode to be active.
Percent [ ] (on, off) - Set on for the mode to be active.
Check Weigh [ ] (on, off) - Set on for the mode to be active.
4.5 Units Menu
This sub-menu activates units so they will be accessible with the Units button. The units in the menu
Note: Available units and modes vary by model and local regulations.
EN-8 NavigatorTM
4.6 Sealing access to balance settings
You can use the Menu Lock switch to limit changes to the user menu. The switch in type approved
models may set some balance settings as required by the approval agency. The switch may be
secured using paper seals, wire seals or plastic ties.
Locked Unlocked
NavigatorTM EN-9
5. MAINTENANCE
5.1 Cleaning
WARNING:
Electri
c Shock Hazard. Disconnect the equipment from the
power supply before cleaning.
Make sure that no liquid enters the interior of the instrument.
Attention:
Do not use solvents, harsh chemicals, ammonia or abrasive
cleaning agents.
The exterior surfaces of the instrument may be cleaned with a cloth dampened with water and a mild
detergent.
5.2 Troubleshooting
The following table lists common problems and possible causes and remedies.
If the problem persists, contact OHAUS or your authorized dealer.
Sym
ptom
Possible Cause
Remedy
Cannot turn on
No power to
balance
Verify connections and voltage
Poor accuracy
Improper calibration
Unstable environment
Perform calibration
Move balance to suitable location
Cannot calibrate
Unstable environment
Incorrect calibration weight
Move the
balance
to suitable location
Use correct calibration weight
Cannot access mode
Mode not enabled
Enter menu and enable mode
Cannot access unit
Unit not enabled
Enter menu and enable unit
Reference weight is too
low
Increase reference weight.
Parts counting sample weight <1d. Shows error - exits mode or goes to [ ].
Incorrect calibration
weight
See section 2.5 for correct weights
RS232 buffer is full
Set Handshake
on, see Int
erface User Manual.
Power on zero range exceeded Clear pan, check Shipping Lock setting
Power on zero under range
I
nstall pan
, check Shipping Lock setting
Overload (>cap+9e) Load exceeds balance maximum capacity
Under load Reading below min. range - Re-install pan.
Displayed value >999999 Result exceeds display capability.
Internal data error.
Contact an authorized service agent
Fail to write EEPROM. Contact an authorized service agent
Invalid checksum data
Contact an authorized service agent
5.3 Service Information
If the troubleshooting section does not resolve or describe your problem, contact your authorized
OHAUS service agent. For service assistance or technical support in the United States call toll-free 1-
800-526-0659 between 8:00 AM and 5:00 PM EST. An OHAUS product service specialist will be
available to provide assistance. Outside the USA, please visit our web site, www.ohaus.com to locate
the OHAUS office nearest you.
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