Sealey STW298 User manual

WARNING! DO NOT use the wrench if damaged or thought to be
faulty.
 Ensure all workshop safety rules, regulations and conditions are
complied with when using this wrench.
 Maintain correct balance and footing. Ensure the floor is not
slippery and wear steel toe-capped non-slip shoes / boots.
 Always wear eye protection when using the wrench.
 Keep children and unauthorised persons away from the working
area.
Ensure that all hand tools, sockets and extensions are not
damaged, use of such items may result in personal injury.
Apply the torque slowly and grip the centre of the handle.
 DO NOT apply load to the end of the handle.
 DO NOT subject the wrench to excessive force or shocks.
 DO NOT use the wrench to break fasteners.
 DO NOT use the wrench as a hammer or lever bar.
 DO NOT use extensions on the handle as this may result in
damage to the wrench and/or cause personal injury.
 DO NOT drop or throw the wrench.
 DO NOT use the wrench unless you have been instructed in its use
by a qualified person.
 DO NOT leave the wrench in any place exposed to excessive heat,
humidity or direct sunlight.
 DO NOT use organic solvents such as alcohol or thinners to clean
the wrench.
 DO NOT use this wrench in water. (not waterproof). If the wrench
gets wet, dry it immediately.
 DO NOT Over-torque (110% of Max. torque range) could cause
damage or loss of accuracy.
 DO NOT use or store the wrench near a magnet.
 DO NOT expose the wrench to dust or sand as this could cause
serious damage.
 DO NOT apply excessive force to the LCD panel.
After use clean with a soft dry cloth and store in a safe, dry,
childproof location.
Rugged and resilient digital torque wrench suitable for workshop and
factory use. LCD read-out with LED/audible alarm indicates achieved
and target torque levels. Track peak and working torques using simple
push button menu. Selectable read-out in Nm, lb.ft, lb.in or kg.cm.
Reversible Chrome Vanadium ratchet allows torque reading in either
direction. Accurate to ±3% CW and ±4% CCW between 20% and
100% of wrench’s stated capacity. Tested in accordance with EN ISO
6789. Supplied with certificate and storage case.
Thank you for purchasing a Sealey Product. Manufactured to a high standard this tool will, if used according to these instructions and properly
maintained, give years of trouble free performance.
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS,
WARNINGS AND CAUTIONS. USE THIS PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS
INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE
WARRANTY. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.
INSTRUCTIONS FOR:
1/2” SQ DRIVE DIGITAL
ELECTRONIC TORQUE
WRENCH 40-200Nm
MODEL No: STW298
1. SAFETY INSTRUCTIONS 2. INTRODUCTION & SPECIFICATION
STW298 Issue No: 1 - 02/06/09
2.1 MAIN FEATURES
Digital torque value readout.
+/- 3% accuracy CW and +/- 4% accuracy CCW operation.
Peak-hold and track mode selectable.
Buzzer and LED indicator for the pre-settable target torque.
Engineering units (N-m, ft-lb, in-lb, kg-cm) selectable.
Auto Sleep after about 5 minutes idle.
Compatible with rechargeable batteries.
2.2 NAMES AND FUNCTIONS OF PARTS
10. LED Indicator
11. Torque Value
12. Unit (N-m, ft-lb, in-lb, kg-cm)
13. Up/Down Button
14. Peak hold/Track mode
15. Power on/Clear Button
16. Unit/Setting Button
1. Round Head Ratchet
2. LCD Readout
3. Buzzer
4. Communication Port
5. Button
6. Battery Compartment
7. Battery Cover
8. Ratchet Drive
9. Anti-slip Handle

Model No. STW298
Max. Operation Range (N-m) 200
Square Drive (inches) 1/2
Alarm Setting Range (N-m) 10~200
Length (mm) 500
Accuracy *1 CN
CW±3% CCW±4%
Pre-setting No. 1 set
Bright LED 12 LED / 4Red + 8Green
Operation Mode Peak-hold/Track
Unit Selection N-m, in-lb, ft-lb,kg-cm
Head Type Round Head Ratchet
Gear Teeth 52
Button 4
Battery AA X 2
Battery Life *2
(Continuous operation) 110 hrs.
Battery Life *2
(Standby) 1 year
Operating Temperature -10°C~60°C
Storage Temperature -20°C~70°C
Humidity Up to 90% non-condensing
Drop Test 1m
Vibration Test *3 10G
Life time *4 10000 cycle
Environmental test *5 Pass
Electromagnetic
compatibility test *6 Pass
3.1 BEFORE USING THE WRENCH
3.1.1 Remove the battery cover.
3.1.2 Insert twoAA batteries matching the -/+ polarities of the battery
to the battery compartment.
3.1.3 Put on the battery cover, aligning the arrows on the cover and
 endofwrenchasshowning.1,turnthecoverclockwiseto
align the second arrow.
3. OPERATION
* See Note:
1. The accuracy of the readout is guaranteed from 20% to 100% of
maximum range + /- 1 increment. The torque accuracy is a
typical value. Calibration point is at the middle line of black circle
area on the rubber grip. The torque wrench must be calibrated
annually.
2. Use two AA batteries.
3. Horizontal and vertical test.
4. Onecyclemeansswingthetorquewrenchfrom0N-mtomaximum
range and back to 0 N-m.
5. Environmental test:
a. Dry heat
b. Cold
c. Damp heat
d. Change of temperature
e. Impact (shock)
f. Vibration
g. Drop
6. Electromagnetic compatibility test:
a. Electrostatic discharge immunity (ESD)
b. Radiated susceptibility
c. Radiated emission
2.3 SPECIFICATIONS
3.5 UNIT SELECTION
Unit Selection: kg-cm
Unit Selection: ft-lb
Unit Selection: in-lb Press
Pre-setting Unit: Nm Press
Press
Note: The “Unit Selection” is in sequential order.
STW298 Issue No: 1 - 02/06/09
3.1.4 Press to power on the digital torque wrench.
3.1.5 Press to reset the digital torque wrench before using it.
q WARNING! If an external force is applied to the torque wrench
during power-on/reset or wake up period, an initial torque offset
will be recorded in the memory.
3.2 Activation during sleep mode
The wrench will auto sleep after 5 minutes idle for power
saving.
Press to wake up the wrench from sleep mode.
Note: The sleep function is disabled while the unit is being calibrated
and it is set in the communication mode.
3.3 If the wrench does not function normally, press
together to reset the wrench.
3.4W BIf the battery voltage is under 2.3 volts, the wrench will display
a battery symbol and then turn off after a short period.
LECTION
g.1

3.6 SETTING MAXIMUM TORQUE VALUE
3.7 PEAK HOLD / TRACK MODE SELECTION
Increase Max. Torque Value
Press
Decrease Max. Torque Value
Note: If the display shows the wrench has had a torque
 ofmorethan110%ofthemaximumspecicationapplied.
Set Peak/Track mode
Press for Selection
Set Peak/Track mode
Press
Press
Pre-setting Torque Value
Press
Long Press
Peak Hold Mode
Communication
*Note 1
Communication
Note: Communication is for calibration of torque wrench. Please
contact your Sealey dealer for more information.
(Exit)
3.8 TRACK MODE OPERATION
Note: If the display shows the wrench has had a torque1.
ofmorethan110%ofthemaximumspecicationapplied.
The green LED will be on for 90% of maximum setting2. torque.
The red LED will be on 100% of maximum setting torque.3.
Apply Torque
Current Torque Value
Over 90% of Max. Target Value
Current Torque Value
Green LED
Over 90% of Set Torque
Buzzer
*Note 2
Over Max. Target Value
Red LED
Over Max. Set Torque
((…((… …))…)) ((…((… …)) …))
(((((((( )))))))) (((((((( ))))))))
*Note 3
Buzzer
START
(System initial)
*Note 1
Max. Target Value
nnn
nnn
STW298 Issue No: 1 - 02/06/09

START
*Note 1
Max. Target Value
Apply Torque
Released
Apply Torque
Current Max. Value
(Peak Hold)
Over 90% of Max. Target Value
Green LED
Over 90% of Set Torque
Buzzer
Buzzer
*Note 2
Over Max. Target Value
Red LED
Over Max. Set Torque
((…((… …))…)) ((…((… …)) …))
(((((((( )))))))) (((((((( ))))))))
*Note 3
3.9 PEAK HOLD MODE OPERATION
(System initial)
Flashing
nnn
nnn
4. CALIBRATION & MAINTENANCE
4.2 BATTERY MAINTENANCE
For replacement of batteries refer to section 3.1. Ensure that
contacts are clean before replacing batteries.
Note: If the wrench is not used for an extended period of time, remove
the batteries.
WARNING! DO NOT mix battery types or combine used
batteries with new ones.
4Dispose of used batteries in accordance with local authority
regulations.
8DO NOTthrowbatteriesintoare.
4.1 CALIBRATION
Annual recalibration of the torque wrench is necessary to
maintain accuracy. Please contact your Sealey dealer.
Declaration of Conformity We, the sole importer into the UK, declare that the product listed below is in conformity with the following
standards and directives.
The construction file for this product is held by the Manufacturer and may be inspected on request by
contacting Jack Sealey Ltd.
For Jack Sealey Ltd. Sole importer into the UK of Sealey Power Products.
5th June 2009
Signed by Steve Buckle
Digital Torque Wrench
Model No: STW298
2002/95/EC RoHS Directive
2002/96/EC WEEE Directive
5. DECLARATION OF CONFORMITY
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPORTANT: No liability is accepted for incorrect use of this product.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
INFORMATION: For a copy of our catalogue and latest promotions call us on 01284 757525 and leave your full name, address and postcode.
01284 757500
[e-mail]
www.sealey.co.uk
01284 703534
e-mail
Sole U.K. Distributor
Sealey Group
Bury St. Edmunds
Suffolk.
Web
Note: If the display shows the wrench has had a torque1.
ofmorethan110%ofthemaximumspecicationapplied.
The green LED will be on for 90% of maximum setting2. torque.
The red LED will be on 100% of maximum setting torque.3.
STW298 Issue No: 1 - 02/06/09