Gram FH 100 User manual
SERIES
FH
100 / 200 / 2000 / 6000
OPERATION MANUAL
2
INDEX English
Safety information 4
Installation 4
Preparatory before using 5
Storage 5
Unfolding the package 5
Package list 6
Installation of the balance 6
Usage Conditions 6
Install the balance with wind shield 7
Install the balance with round weighing pan 7
Connect the Power Adapter 7
Install the External Facilities 7
Warm-up Time 7
Adjust the Level Gauge Purpose 8
Display and keys description 8
Calibration 10
Procedure 10
Basic weighing 11
Counting mode 11
Percent deviation 12
Weighing units 13
Enabling weighing units 13
User setups 16
Print setups 16
Setting the baud rate 17
Restoring the factory default setup 18
Communication with a computer 18
RS-232 Interface hardware 19
3
Pin description 20
Routine maintenance and troubleshooting 20
Troubleshooting 20
Clearance 21
Clearing the stainless steel surface 21
Safety check 22
Troubleshooting 22
Technical conditions 24
Guarantee 25
4
ENGLISH
SAFETY INFORMATION
To avoid unnecessary demage to the balance, please pay attention to the
following tips:
• Please do not use this balance in dangerous área.
• Only the trained technicians could operate this balance.
• Please turn off the power of the balance before connect it or disconnect
it with other facilities.
• If the environment requires a higher safety standard, please follow the
relevant installation instructions.
• Excessive electromagnetic interference will make the displayed value
in this balance change. Once the interference is dismissed, the balance
could operate in normal way.
• Please avoid any liquid on the surface of the balance. A piece of lightly
damp cloth is allowed to wipe the balance.
INSTALLATION
• Please make sure the local voltage is in line with the rated voltage on
the name board.
• Please pay special attention when use RS-232 as the pins location
might be incompatible with our facilities. Please check the pins
locations before the connection and turn off the connection of different
configuration.
5
• If the facility or the power cord has apparent damage, please turn off
the power, put it or them in a safe place and do not use it or them
before they are fixed.
• This balance could only be connected to our accessories or optional
fittings. We are not responsible for any modification the operator
makes to our balance, including using the facilities and cable which are
not supplied by us. However, we are always ready to offer the operation
norms information.
• Please do not open the balance. If the guarantee lable is damaged, our
quality guarantee will automatically cease being effective.
• If the balance does not work well, please contact your local distributor
or our customer service center.
PREPARATORY BEFORE USING
STORAGE
This balance requires an environment which is free from excessive high or
low temperature, corrosive, vibration, air current and collision.
Unfolding the package
• Unfold the package and check if there is any outer damage of the
balance.
• If there is outer damage, please refer to section routain maintenance
and troubleshooting.
• Please keep all the package for possible transportation in the
6
future. When pack the balance, please remove all the cables to avoid
unnecessary damage.
Package list
• The balance.
• Weighing pan.
• Pan support.
• Power adapter.
• User manual.
INSTALLATION OF THE BALANCE
Put it in a proper place, please avoid the following situations:
• Much heat and direct sunlight.
• Air currents and vibrations.
• Excessive moisture.
Usage Conditions
Please do not lay the balance in a quite damp palce for a long time. If the
balance is transferred from a lower temperature environment to a higher
temperature environment, please lay it there with power off foraround 2 hours.
7
Install the balance with wind shield
• Assemble the parts in the
indicated order.
1
2
4
3
2
1
Install the balance with round weighing pan
• Installation Sequence.
• Pan support.
• Weighing pan.
Connect the Power Adapter
Only the power adapter offered by us is allowed.
• Connect the power adapter to the balance.
• Connect the power adapter to the power socket.
Install the External Facilities
Turn off the balance before connect it or disconnectit with external facilities
such as the printer or the computer).
Warm-up Time
To assure the measure accuracy, the balance must be warmed up for 30
minutes before normal operation.
8
Adjust the Level Gauge Purpose
• Adjust the level guage of the balance. The
level guage needs to be adjusted once its
place is changed. The two front bottom bolts
are used to adjust the level guage.
• Spin the two bolts as shown in the figure until
the bubble in the level gauge is in the ceter of
the circle.
• Normally, it needs to be adjusted repeatedly.
L
R
R
R
L
L
DISPLAY AND KEYS DESCRIPTION
1
3
4
2
1. Count sign.
2. Weighing units.
3. Stability sign.
4. Level gauge.
OK - Reading shown is stable
g - Reading shown is given in grams
9
OZ - Reading shown is given in ounces (1g = 0.03527396200 oz)
ct - Reading shown is given in carats (1g = 5.0000000000 ct)
dwt - Reading shown is given in pennyweight (1g = 0.64301493100 dwt)
% - Reading shown is given in percent weight
PCS - Reading shown is given in as a counting
------- The balance is developing a stable reading
UNABLE – Error operation
HHHHH – The weight on the pan excedes the capacity of the balance
LLLLLL – The pan is not properly seated or has been removed
Calibration / Adjustment key
Print / Output key
Count / Function confirmation key
Percentage key
Unit conversion key
Tare key
10
CALIBRATION
To decide the accuracy of the balance through test the difference between
thereading and the actual weight of the object on the weighing pan.
Prerequisite of calibration:
1. There is no loading on the weighing pan.
2. Press the key.
3. The interior signals are stable.
Procedure
1. Adjust the level guage and warm it up for 25 minutes.
2. Press the key.
3. Press the key, the display will read its full range, such as 3000.
4. Press the key repeatedly, it reads the calibration point within the
range (such as 2000, 1000…).
5. Choose one calibration point and place the right weight on the pan. Press
the key, the display will show CAL---.
6. When the external calibration is finished, the balance reads the value of
the weight on the pan (such as 3000).
This manual suits for next models
3
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