Gram FR 320 Bedienungsanleitung

SERIES

320 / 500 / 3200 / 5000

OPERATION MANUAL

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

Install the balance with wind shield 6

Install the balance with round weighing pan 7

Install the balance with square weighing pan 7

Connect the Power Adapter 7

Install the External Facilities 7

Warm-up Time 8

Adjust the Level Gauge Purpose 8

Display and keys description 8

Keys description 10

Calibration 10

Basic weighing 11

Counting mode 11

Percent deviation 12

Limits function 13

Set up no warning value without loading 15

Activate the limits mode 15

To exit the limits mode 16

User setups 17

Print setups 19

Setting the baud rate 20

Enabling weighing units 21

Restoring the factory default setup 21

Backlight setup 22

Limits setup 22

No warning setup 23

Enabling the limit setup 24

Checking the high and low weight limits 24

Additional functions 25

Communication with a computer 25

RS-232 Interface hardware 27

Pin description 27

Routine maintenance and troubleshooting 28

Troubleshooting 28

Clearance 28

Clearing the stainless steel surface 28

Safety check 29

Troubleshooting 29

Technical conditions 31

Technical parameters 31

Guarantee 32

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.

• 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 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.

Install the balance with wind shield

• Assemble the parts in the

indicated order.

Install the balance with round weighing pan

• Installation Sequence.

• Pan support.

• Weighing pan.

Install the balance with square 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.

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.

DISPLAY AND KEYS DESCRIPTION

1. Capacity and readability.

2. Weighing mode signs: Inspect - inspect mode.

Count - counting pieces mode.

Denst - density mode.

Net - Tare weight / Gross weight/ Net weight.

3. Tare weight / Gross weight sign.

4. Weighing units.

5. Level gauge.

6. High / Low warning signs.

7. OK indicator (stable display).

OK - Reading shown is stable.

g - Reading shown is given in grams.

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.

KEYS DESCRIPTION

Calibration / Adjustment Key

Print / Output Key

Count / Function confirmation Key

Percentage Key

Unit conversion key

Tare Key

Menu Key

Power Key

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.

Dieses Handbuch passt für folgende Modelle

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