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SLY-S1 Tearing Tester desgarrometro

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Tearing T este r
SLY-S1
INSTRUCTION MANUAL
for
Tearing Tester
SLY-S1
Labthink
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Notice
The information contained in this manual is derived from proprietary data from Labthink. This
manual has been prepared expressly for the purpose of assisting operation and maintenance
personnel in their use and general maintenance of SLY-S1 Tearing Tester.
Publication of this information does not imply any rights to reproduce or use it for purposes
other than installing, operating, or maintaining the instrument described herein.
These provisions are intended to state all of the rights and responsibilities between
Labthink and the customer. They take place of and supersede all warranties, expressed
or implied, and whether of merchantability, fitness or otherwise. The remedies contained
in this instruction manual are exclusive.
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Contents
Preface
1. Introduction





Principles
Features
Specifications
Explanations
Unpacking
2. Instrument



Instrument Appearance
Control Panel
Installation
3. Software





System Requirement
Installation
Run the Software
Delete the Software
How to Use the Software
4. Operation





Overview
Operation Procedure
Change Test Range
Adjust the Cutter and Specimen Holder
Comparison of Test Results
5. Maintenance



General Maintenance
Calibration
Diagnostic and Troubleshooting
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
Technical Support
Appendix: Change Test Range
Customer Service Regulation
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Preface
About This Guide
Welcome to the Labthink PARAM® SLY-S1 Tearing Tester system. This
manual contains a description of the operation and maintenance of
your Tearing Tester. In addition, it provides step-by-step instructions for
the installation and application of the SLY-S1 software.
Safety Precautions
Observe the following safety precautions when you operate or perform
service on the SLY-S1 Tearing Tester:
Power supply must be AC 220V 50Hz/60Hz, and should be grounded.
The instrument should be powered off and unplugged before
troubleshooting or maintenance.
The instrument SHOULD NOT be operated with other high-power
electrical appliances.
This instrument SHOULD NOT be operated in high humidity, intensely
corrosive, combustible, explosive, or similar environment, or under
intensive vibration or strong electromagnetic interference.
Perform operation only according to this instruction manual.
Operation Notice
Extreme care should be taken to avoid personal injuries by the cutter.
Make sure the compressed air is clean and without any visible fluid
drop or solid substances which may cause damage to the instrument
Balance the instrument before test. Label the test side and direction of
the specimen.
Overloading operation is prohibited. Select a proper pendulum weight.
Level the instrument carefully and keep away from vents before test.
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1. Introduction
SLY-S1 Tearing Tester is designed for the tearing test of films, sheets, flexible PVC, PVDC,
waterproof films, woven materials, polypropylene, polyester, paper, cardboard, textiles and
nonwovens.
Standards
This instrument conforms to various national and international standards:
ISO 6383-1-1983, ISO 6383-2-1983, ISO 1974, ASTM D1922, ASTM D1424, ASTM D689,
TAPPI T414, GB/T 16578.2-2009, GB/T 455
Principles
Lift the pendulum up to a certain height to give it an initial potential energy. The pendulum tears
the specimen while swinging down. Computer calculates the decreased energy caused by
tearing to obtain the required force for tearing.
Features







The instrument is controlled by computer with automatic and electronic measurement
which is convenient for the operation
Pneumatic specimen clamping and automatic release of pendulum could avoid the system
error effectively
Computer assisted horizontal adjustment system could maintain the instrument optimum
status
Equipped with pendulums of multiple capacities
Professional software supports multi-unit data output
Equipped with RS232 port which is convenient to the data transmission and external
connection
Support Lystem™ Lab Data Sharing System for uniform and systematic data management
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Specifications
Item
Specification
Pendulum
Capacity
200gf, 400gf, 800gf, 1600gf, 3200gf, 6400gf
Pressure of Gas
Supply
0.6 MPa (outside of supply scope)
Port Size
Φ4 mm PU Tubing
Instrument
Dimension
480 mm (L) x 380 mm (W) x 560 mm (H)
Power Supply
AC 220V 50/60Hz
Net Weight
23.5 kg (Basic Pendulum of 200gf)
Explanations



The pendulum weight equals the weight of basic pendulum plus that of extra weight;
With the 200gf basic pendulum, test range can be extended to 800 gf by installing extra
weight;
With the 1600gf basic pendulum, test range can be extended to 6400 gf by installing extra
weight.
Unpacking
Remove the instrument from the shipping carton and inspect for any signs of damage. Contact
the delivery agent immediately if any damage observed. Leave the instrument in the shipping
carton for the delivery agent to examine the damage.
If there is no visible damage, check the contents of your shipment against the packing slip.
Notify Labthink immediately if there are any discrepancies.
The instrument is shipped in a special designed box to prevent any damage. If
re-shipment is necessary, the instrument should be repacked in the original box. Please
save the box properly.
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2. Instrument
Instrument Appearance
Figure 1 Instrument structures
1. Adjusting Rod 2. Fastening Nuts 3. Spirit level 4. Base Plate 5. Frame; 6. Pendulum 7.
Extra Weight 8. Extra weight (Small) 9. Balance Weight 10. M8 Bolt 11. Bearing 12. Gas
Tube 13. Cutter 14. Stationary & Moveable Clamps 15. Spring 16. Cutter handle 17.
Pendulum Latch



Adjusting rod
Fastening nuts
Pendulum

Extra weight
For leveling the instrument
To fasten the adjusting rod when leveled up
A basic pendulum together with extra weights to provide
tearing force
To extend test range of pendulum
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


Extra weight (Small)
Balance Weight
Specimen Holder


Cutter
Pendulum Latch
To form the 200 gf or 1600 gf basic pendulum
To balance the pendulum (DO NOT disassemble)
Air-operated specimen clamp with a stationary part and a
movable part on the pendulum
To precut a slit of 20±0.5 mm on the specimen
To hold or release the pendulum
Control Panel
Figure 2 Control Panel
Function keys
“CLAMP”
“TEST”
Press this key to clamp the specimen; press again to release
Press this key to release the pendulum
Installation
The system should be placed with enough space to allow installation and operation.
The instrument should not be operated under strong electromagnetic interferences.
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The instrument should not be operated with other high-power electrical appliances
The power supply should be 220V 50/60Hz, and well grounded.
Operating personnel should perform the test according to this instruction manual.
Place the instrument on a steady table with at least 0.5 m surrounding for installation.
Connect the power cord and communication cable as shown in Figure 3.
Figure 3 Rear view of the instrument
1. COM Port 2. Joint for Gas Tube 3. Power Switch 4. Fuse Holder 5. Power Connector
Before connecting the gas supply, please remove the Φ4 PU tubing (100mm) in the joint for gas
tube (2 in Figure 3).
Connect the gas supply to the joint for gas tube (2 in Figure 3) with a Φ4 PU tube.
To level the instrument, first turn the fastening nuts (2 in Figure 1) to release the adjusting rod.
Tune the legs to center the spirit level (3 in Figure 1) on the base. Fasten the nuts again.
Turn on the instrument and gas supply. Open the operating software and click “Calibration”.
Referring to Figure 4, unscrew the M6 bolt, remove the cap, and install the pendulum to the
bearing. The latches will automatically catch the pendulum. Lift the pendulum and hold it with
the pendulum latch. The displayed value in the following dialog box should be “180.0”. Screw
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the M6 bolt back to secure the pendulum.
Figure 4 Install the pendulum
1. Cap 2. M6 Bolt 3. Bearing 4. Pendulum 5. Positioning Pin
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For first time use, lift the pendulum and the pendulum latch automatically holds it. Press
“CLAMP” key but do not mount the specimen for now. Press “TEST” key to release the
pendulum and let it stop naturally. Repeat this process at least 15 times before performing tests.
Note: “CLAMP” key must be pressed every time before the test; otherwise, pendulum
will not be released.
To balance the pendulum, first lift it. The displayed value on the software should be “180.0”.
Click “Balance” tab:
Release the pendulum and observe the red and blue bars. Tune the adjusting rod until no red or
blue bars are present in the above dialog box when the pendulum stops. Do the bare swing for
two more times to check the balance of the pendulum prior to fasten the adjusting rod.
When performing the bare swing, the tearing force in the “Calibration” tab should be 0.0%.
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3. Software
System Requirement
Hardware requirement
CPU:
2.4 GHz or higher
RAM:
128 MB and above
Hard disk: 40 G or larger
CD-ROM: required
Display:
1024X768, 75 Hz refresh rate
At least one RS232 port
Operating system
Windows 98 or above
Note: If operation encounters any problem, exit the software and restart it.
Installation
1.
Start Windows, and close other programs.
2.
Insert the software CD of SLY-S1 into your CD-ROM.
3.
Browse the contents of the CD in “My computer” and find the “SLY-S1” folder.
4.
5.
Under the “SLY-S1” folder, double click “Setup” icon
to start the installation.
Select the installation language and click OK to continue.
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Note: you can exit the installation process by clicking “Cancel” in any step.
6. Click “Next”.
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7. Read the terms in license agreements and select “I accept the terms in the license
agreement”. Click “Next” to continue.
8. Input “User Name” and “Company Name”, and choose the account authorization for this
application. Then click “Next”.
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9. You can choose “Complete” or “Custom” installation and click “Next” to continue setup,
10. If you choose “Custom” setup, select the program features you want to install
Select the installation path and click “Next”.
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11. Click “Install” to start installation.
12. Click “Finish” to finish installation. The system will automatically create a shortcut on your
desktop
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Run the Software
The software automatically creates a desktop shortcut as “SLY-S1” when the installation
completes. Double click this icon to start the program, or choose “Start” --“Program”-“Labthink”--“SLY-S1”--“Launch SLY-S1” to start.
Delete the Software
You can delete the software by choosing “Start” --“Program”-- “Labthink”--“SLY-S1”--“Uninstall
SLY-S1”. Select “Yes” to confirm deleting the software.
How to Use the Software
Double click the program icon to open the software.
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Four major sections are shown in the main interface:
1. Tool Bar: functions including Open, Save, Reset, Clamp, and Exit, etc.
2. Plot Area: system automatically plots the test curve during the test.
3. Current Value: displays the angle, force, and time during the test;
4. Statistical Results: including Maximum Value, Minimum Value, Average Value, Deviation,
and Standard Deviation (S_D);
There are three tabs on the right side: Test (current view), Unit, and Sheet.
Click “Unit” tab to view the results in different units:
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Click “Sheet” tab to view all test results in list;
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Click “Preset” in “Edit” menu to view preset information:
In this dialog box, you can set up the specimen information, displayed units, test range, and
buzzer option.
Click “Save” to confirm settings when finished.
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Click “Calibration” in “System” menu:
Lift the pendulum with left hand and the pendulum would be stopped and supported by the
latch automatically and the swing angle would be displayed as “180.0”. Click “Balance” to enter
the following interface.
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Perform a blank test (without specimen) and observe whether blue or red grids are displayed in
the above interface when the pendulum stops. Unfasten the 4 fastening nuts with hand and turn
the adjusting rod in clockwise or counterclockwise direction until there is no blue or red grid
when the pendulum stops. Then tighten the fastening nuts again.
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4. Operation
Overview









Prepare test specimens
Turn on the instrument and warm up for 90 min
Connect the gas supply
Level and balance the instrument
Set up parameters
Install a proper weight
Mount test specimen
Start test
Finish test
Operation Procedures

Prepare Test Specimen
According to ISO 291 standard, all test specimens should be conditioned at 23±2℃ and 50±5%
RH for 12 hours.
Two types of specimens can be tested: constant-radius and rectangular.
Cut Slit
Cut Slit
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According to specific requirements, prepare a number of test specimens as shown in the above
scheme. Make sure the test direction and side are notified in the report.
Take three measurements along the tearing direction and average these values to obtain
specimen thickness. Please note: there is no linear correlation between tearing force and
specimen thickness. However, when compare different specimens, the thicknesses should be
unified for easy comparison.

Prepare the Instrument
Turn on the instrument, warm up for at least 90 min, and adjust the output pressure to 0.5—0.55
MPa. Level and balance the instrument as described in Installation section of 2 Instrument.
Open the operating software and enter “Preset” interface. Set up the corresponding parameters
and click “Save” to confirm.

Start the Test
Set the pendulum to its latched position. Place the test specimen in specimen holder with the
right tearing direction. Press “CLAMP” to grip the specimen. Then cut a slit of 20±0.5 mm with
the cutter. Press “TEST” key to release the pendulum. As the specimen is torn up, check if the
tearing force lies in between 20%—80% of the pendulum. If not, change the extra weight until
the pendulum weight is proper.
If the number of specimen layers is changed, modify the parameter “Layers” in “Preset”
interface. If the pendulum weight is changed, modify the parameter “Configuration” in “Preset”
interface, and rebalance the instrument.
If a test is performed improperly, click “Undo” to cancel results of such test.
When all tests are finished, save test results and print out test report.
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Change Test Range
The test range can be easily changed from 200 gf to 6400 gf by installing different extra weights.
Appendix 1 gives several quick means for test range modification. Generally:
 With the 200 gf basic pendulum, test range can be extended to 800 gf by installing extra
weight;
 With the 1600 gf basic pendulum, test range can be extended to 6400 gf by installing extra
weight.
Take the change from 200 gf to 400 gf for example:
a. Set the pendulum to its latched position and hold it with the pendulum latch;
b. Hold the 200 gf balance weight, unscrew the M4X15 bolt, and remove the extra weight;
c. Install the 400 gf extra weight by screwing the M4X15 bolt;
d. Balance the instrument;
e. Perform a bare swing without specimen mounting, and input the maximum angle reached
into the red box of “Calibration” interface.
Adjust the Cutter and Specimen Holder

Replace and Adjust the Cutter
If the precut slit of the specimen by the cutter exceeds 20±0.5 mm, the position of cutter should
be adjusted. First unscrew two M4X8 bolts as shown in Figure 5, place a calibration ruler at the
bottom of the specimen holder, slightly move the cutter to contact the meter tightly, and
re-screw the M4X8 bolts.
Once the blade of cutter is blunt, it should be replaced simply by unscrewing the M4X8 bolts.
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Left View
Front View
Figure 5 Adjust the cutter
1&6. Cutter 2. Upper Surface of Stationary Clamp 3. M4X8 Bolts 4. Cutter Head 5.
Calibration Ruler

Adjust the Specimen Holder
If the distance between stationary and movable clamps exceeds 2.8±0.3 mm, it should be
adjusted. At test mode, set the pendulum to its latched position. As shown in Figure 6, remove
the protective hood for encoder (3), unscrew M5X8 bolt, and place the calibration ruler head of
the calibration ruler in between the stationary and movable clamps. Adjust the angle to “180.0”
prior to re-screw the M5X8 bolt and reinstall the protective hood for encoder.
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Left View
Top View
Figure 6 Adjust the clamps
1. Pendulum 2. M5X8 Bolt 3. Protective Hood for Encoder 4. Movable Clamp 5. Frame 6.
Calibration Ruler Head 7. Calibration Ruler 8. Stationary Clamp 9. Cylinder
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Comparison of Test Results
For the same type of specimen, test results along the same tearing direction should agree. If not,
check the following possible reasons:









Ambient conditions (temperature and relative humidity) are different;
Different thickness;
Different precut slit;
Different tearing direction;
Different number of specimen layers
Improper pendulum weight’
Instrument is not leveled and balanced;
Instrument is not calibrated;
Working table is not stable.
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5. Maintenance
General Maintenance
1.
2.
3.
4.
5.
Read the instruction manual thoroughly before any operation.
Power supply must be AC 220V 50/60Hz, and should be grounded.
DO no operate with other high-power electrical appliances.
Do not disassemble the instrument without authorization.
Power off the instrument and cover with a sheet after test.
Special Notice:
Perform operation only according to this instruction manual.
Operating personnel should be present during the test.
Perform at least 15 times of bare swing prior to test.
Extreme care should be taken to avoid personal injuries by the cutter.
Balance the instrument before test. Label the test side and direction of the specimen.
Overloading operation is prohibited. Select a proper pendulum weight.
Level the instrument carefully and keep away from vents before test.
DO NOT uninstall the balance weight.
Calibration
Employ the 50% calibration weight to perform calibration.
1. Level and balance the instrument;
2. Set the pendulum to its latched position;
3. Change the force unit to “%”;
4. Press “TEST” key to release the pendulum and observe if the tearing force is 0.0%;
5. Reset the pendulum;
6. Install the corresponding 50% calibration weight to the bearing as shown in Figure 7;
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Figure 7 Install the calibration weight
1. Pendulum 2. Movable Clamp 3. Calibration Weight 4. Shaft
7. Place the shaft with the calibration weight to the movable clamp and press “CLAMP” key;
8. Press “TEST” key to release the pendulum. The displayed value should be 50.0%±0.2%;
9. If not, contact Labthink for instrument adjustment.
Note: here, 50% calibration weight means that the calibration weight is 50% of the
pendulum weight.
Diagnostics and Troubleshooting
1. Specimen holder and pendulum latch do not work.
Check gas supply and connection tube.
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2. No response after instrument powered on.
Check power supply, fuse, and electrical circuit.
3. Communication failure.
Check communication cable and connection
4. Do not print.
Check communication cable, power supply, and indicator light of the printer.
Technical Support
Web support
Please visit our website for more details of general problems and technical supports.
http://www.labthinkinternational.com.cn
Contact us
You can also contact us by telephone or e-mail:
Tel: +86-531 -85063398
E-mail: afterservice@labthink.cn
Notice:
Before you call us for help, please make sure:
Read the Instruction Manual thoroughly and check all possible problems;
Place instrument and Instruction Manual at hand;
Prepare the following information: model, purchase date and manufacturing code.
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Appendix: Change Test Range
Please refer to the diagrams below for the proper arrangement of the extra weights for the
appropriate pendulum and test range.

Using 200gf basic pendulum.
200gf. The whole components added to pendulum are 200gf basic pendulum, M4×15 screw,
lock washer, and 200gf weight.
400gf or 800gf. The whole components added to pendulum are 200gf basic pendulum, M4×15
screw, lock washer, 200gf weight, and 400gf weight or 800gf weight.
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
Using the 1600gf basic pendulum.
1600gf. The whole components added to pendulum are 1600gf basic pendulum, M6×20 screw,
retaining pin, and 1600gf weight.
3200gf. The whole components added to pendulum are 1600gf basic pendulum, M6×20 screw,
retaining pin, 1600gf weight, and 3200gf weight.
6400gf. The whole components added to pendulum are 1600gf basic pendulum, M6×50 screw,
retaining pin, 1600gf weight, and 6400gf weight.
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Customer Service Regulation
 General Provisions
※ Purpose: This regulation is instituted to satisfy the need of customers with professional and
timely service.
※ Content: This regulation includes items of general provisions, service instructions and
response time.
※ Service Aim: Provide customers with professional, timely and continuous service. Try our
best to satisfy the requirements of customers.
※ Service Principle: Integrity and sense of responsibility, sophisticated skill and customer
oriented.
※ Performance Pledge:
1. Notice of lack of configuration should be provided in written form within thirty days from
AWB date. Otherwise, it is considered as a conform information. Responses will be made within
one workday after receiving written notification.
2. Products are warranted with free service and replace components of the same brand, type
and specifications for a period of one year from the AWB data against defects of quality.
3. Replaced parts are warranted with free service of replacement or maintenance for a period
of 90 days from the date of purchase against defects of quality.
4. Technical whole-life service will be provided outside warranty period. While cost of
maintenance is free, cost of material as well as freight out and home is charged.
5. Repaired instruments are warranted with free service of replacement or maintenance for a
period of 180 days from the return date of the repaired instrument against defects of quality.
6. Responses will be made within one hour after receiving service application. Disposing
suggestions and solution program will be provided within one working day.
※ Contact information (8:00-17:00 Monday to Friday Peking time):

Tel: +86-531-85068566

Service Tel: +86-531-85063398

Fax: +86-531-85812140

E-mail: trade.en@labthink.cn

Http://www.labthinkinternational.com.cn

Zip Code: 250031

Address: No.144 Wuyingshan Road Jinan China
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※ Exclusion:
For products not sold by LABTHINK directly, the sales regulation abides by the service
agreement and quality guarantee regulations between distributors and customers.
Division of authority and responsibility as well as the quality guarantee regulations
between corresponding distributor and LABTHINK follow the content of contract (oral
agreement) between these two sides.
 Service instructions
※ Instructions for Initial Use
1. Open-package Inspection: Check the required configuration of product in contract with that
of packing list. Make sure that all the parts mentioned in the packing list are included. (When
taking out the products from its package, pay attention to the caution sign such as “Do not hold
here”.) Be sure all seals on the instrument are intact. Otherwise please contact LABTHINK as
soon as possible.
2. Product Commissioning: Please review the instruction manual and other materials
supplied with the instruments carefully. Test the instruments under specified environment,
parameters and operating mode. If there is any problem about our products, please don't
hesitate to clarify it with LABTHINK before commissioning. (Software of instrument computer
has been installed before delivery. Users can use the computer directly. Discs supplied with
instrument should be kept carefully for later use)
※ Confirmation of Warranty Period
Warranty period is supported from AWB date (Buyer and seller as well as the product mode are
given clear indication). Without such supporting document, the warranty start date will be
Ex-factory Date of the purchased products recorded by LABTHINK. In any of the following
cases, there will be no maintenance free of charge.
1. Products are not purchased from LABTHINK or LABTHINK’s agents and distributors are not
covered in the service regulation.
2. Defects of instrument or other components caused by the use of accessories or peripheral
equipments not produced or authorized by LABTHINK.
3. Defects or damages of instruments or other components resulted from abnormal reasons
(including unsatisfied power supply, working environment, not the first delivery, long term
storage, outside force and foreign body entering instrument).
4. Defects or damages of instruments or other components caused by natural influences (such
as earthquake or fire) or accidents (such as stealing and lost)
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5. Defects or damages of instruments or other components caused by dismantling, repair, and
refit without LABTHINK permission.
6. Defects or damages of instruments or other components caused by plugging and
connecting power cord , typing cord, communication cord and other connecting wire without
cutting the power supply.
7. According to the international convention, correlation insurance company is directly
responsible for charges of maintenance or complete damage resulting from serious damage
during international transportation. Customers must inform LABTHINK within one working day
after receiving the product. (For uninsured cargo, it is recommended that customers take out
insurance)
※ Expiration of Warranty Period
Warranty period is expired in one year from the AWB date (indicating the transaction sides and
instrument type). Without above supporting document, the warranty start date will be the
Ex-factory Date of the purchased instrument recorded by LABTHINK.
※ Charge of Service
1. Training
a. LABTHINK provides customers with demonstration video of the sold products free of
charge (attached with instrument or transmitted through Internet)
b. On the premise that customers need and are willing to bear correlative expenses,
LABTHINK engineer may arrive at the nominated places for product installation, debugging,
training and commission. While maintenance service is free of charge, Users must undertake
relating travel expense of the engineer (including round-trip air ticket, ticket, accommodation
and other travel expense). With the signed (or reached) service contract (oral agreement)
between two sides and prepaid relating expenditures, LABTHINK will send its engineer for
contract service.
2. Maintenance
a. For problem caused by product quality within warranty period, LABTHINK will provide
product maintenance, technical support, freight out and home as well as cost of replaced
components free of charge.
b. Problem not caused by product quality within warranty period or maintenance outside
warranty period is only charged for replaced components. However, freights home and out is at
the customer’ side (only the replaced component is charged if transportation of instrument is not
needed).
c. Door-to-door service outside warranty period requires signed (or reached) service contract
(oral agreement) between two sides. Users must undertake relating travel expense of the
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engineer (including round-trip air ticket, ticket, accommodation and other travel expense). With
the signed (or reached) service contract (oral agreement) between two sides and prepaid
relating expenditures, LABTHINK will send its engineer for contract service.
 Service Content
1. Please contact LABTHINK as soon as possible if there is problem during the process of
operation. To help service man providing accurate and timely solution for your problem or
trouble, be sure to make the following preparation before contact:
(1)Check product type on product certification (or in instruction manual and manufacturer
certificate);
(2)Having reviewed instruction manual carefully and having it at hand at the time of contact
(3)Make sure the protective tube and all the connecting wire are in good condition when there
is malfunction.
(4)Collect information about symptoms of problem (including displaying content and operation
condition), problem time and other detailed information (customers who conceal actual
information should be responsible for the lost)
2. LABTHINK will make telephone call or door-to-door return visit about using condition of
product periodically.
 Response Time
1. LABTHINK’s personnel will response to help users solving the problem within one hour after
receiving telephone call or written notice. It will give customers technical support through
remote technologies such as telephone call, E-mail, and demonstration video. If component
replacement is needed, the required component will be sent out within one working day (if there
is charged fees, the required component will be sent out after receiving fax of transferred
account).
2. If instruments need to be sent back for maintenance, LABTHINK will notify the user within
one working day after receiving the product about the inspection information. Instruments will
be repaired within two working days and send out within one working day after repairing (if there
is charged fees, the product will be sent out after receiving fax of transferred account).
3. If technical support cannot be realized through remote technology while it is inconvenient to
send instruments back, LABTHINK can offer field service. Charges and regulations are as
above stated. Unless there are special circumstances, the response time is:
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
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Notify customers the personal information of LABTHINK engineer within one workday after
receiving customer notice and reaching agreement.
On the premise that customers provide corresponding invitation and other necessary help,
LABTHINK will get the engineer’s visa as soon as possible.
LABTHINK engineer reach the conferred place within one week of the visa date.
 Others
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This regulation is the only open service regulations for customers. Herein other ones with
special purpose or beyond the above items are refused.
The right to explain this regulation is reserved by LABTHINK INSTRUMENTS CO., LTD.
The right to revise this regulation is reserved by LABTHINK INSTRUMENTS CO., LTD.
Distributors (agents) should refer to cooperation agreement additionally.
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LABTHINK INSTRUMENTS CO., LTD.
144 Wuyingshan Road, Jinan 250031 China
Website: http://www.labthikinternational.com.cn
Tel: +86-531-85068566
Service Tel: +86-531-85063398
Fax: +86-531-85812140
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