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Operating Instructions STAHLWILLE Sensotork Electronic Workshop Torque Tester 7707-1-2W, 7707-1-3W, 7707-1W, 7707-2W, 7707-2-1W, 7707-2-2W and 7707-3W Please ensure you read these Operating Instructions carefully to ensure you operate the equipment correctly and safely and keep these instructions in an accessible place.
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Preface These Operating Instructions will assist you in using the electronic workshop torque testers, models 7707-1W, 7707-1-2W, 7707-1-3W, 7707-2W, 7707-2-1W, 7707-2-2W and 7707-3W, • safely, • economically and • in accordance with the intended purpose. Target group for these Operating Instructions...
Contents Introduction to the Operating Instructions ....5 Structural features of the information on dangers ... 5 Structural features of notices referring to property damage .
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Inserting and removing transducers ....38 Inserting the transducer ....... 38 Releasing the transducer .
Introduction to the Operating Instructions Structural features of the information on dangers The following categories of notices are contained in these operating instructions: DA N G ER Notices containing the word DANGER warn of hazards which lead directly to severe or fatal injuries. WA R NI NG Notices containing the word WARNING warn of hazards which may possibly lead...
Availability If these Operating Instructions should be mislaid or become unusable, replacement copies are available from Eduard Wille GmbH & Co. KG. If you have not yet registered your device, you will need the following details to place your order: •...
Furthermore, it is essential to observe all the laws and regulations in force at the location where the tool is to be used. STAHLWILLE will not accept any liability for damage or injury occurring from use that does not conform with the intended use.
Obligations relating to the Operating Instructions The user of the electronic workshop torque tester for torque wrenches or torque screwdrivers is responsible for ensuring that these Operating Instructions are readily available wherever the electronic workshop tester is in use. Always keep the Operating Instructions close to the electronic torque tester.
Fundamental safety instructions The 7707-1W, 7707-1-2W, 7707-1-3W, 7707-2W, 7707-2-1W, 7707-2-2W and 7707-3W electronic workshop torque testers and their display units are precision testing equipment and must be treated with corresponding care. Avoid subjecting the tool to physical knocks, chemicals or excessive temperatures beyond the limits given in these instructions.
Serial number Accuracy The range of measurement is • Sensotork 7707-1-2W, 7707-1-3W: 0,2 to 10 N m, • Sensotork 7707-1W: 0,4 to 20 N m, • Sensotork 7707-2W: 2 to 100 N m, • Sensotork 7707-2-1W: 4 to 200 N m, •...
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The range of measurement according to the display variation of the individual models can be found in the tables below. Sensotork 7707-1-2W, 7707-1-3W: Sensotork 7707-1W: ...
Transport, items supplied, storage Transport Transport the electronic workshop torque tester, the transducer and display unit only in the case supplied and ensure that the case cannot be dislodged and cannot fall in transit. ATT E N T IO N ! Damage to and decalibration of the electronic workshop tester.
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Differing and additional scope of supplies for the Sensotork 7707-1-3W electronic workshop torque tester • Measurement sensor, Part no. 7721 • Software CD ROM, Part no. 7731 • USB adaptor, Part no. 7757-1 • Not supplied: - Helix cable, Part no. 7752 - Display with mounting, Part no.
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Differing or additional scope of delivery for the Sensotork 7707-1-2W electronic workshop torque tester • Transducer, part No. 7721-0 • Software CD ROM, part No. 7731 • USB adapter, part No. 7757-1 • Not contained in delivery: - Spiral cable, part No. 7752 - Display unit with mounting, part No.
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Differing and additional scope of supplies for the Sensotork 7707-2-1W electronic workshop torque tester • Transducer, Order no. 7723-1 • Adapter from " " , Order no. 7789-4 • Adapter from " " , Order no. 7789-5...
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Differing and additional scope of supplies for the Sensotork 7707-2-2W electronic workshop torque tester • Transducer, Order no. 7723-2 • Adapter from " " , Order no. 7787 • Adapter from " " , Order no. 7788 • Adapter from "...
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Differing and additional scope of supplies for the Sensotork 7707-3W electronic workshop torque tester • Transducer, Order no. 7723-3 • Adapter from " " , Order no. 7787 • Adapter from " " , Order no. 7788 • Adapter from "...
Optional accessories In addition, it is possible to purchase a USB adaptor (Order no. 7757) and software (Order no. 7731). This USB adaptor with the jack cable (Order no. 7751) allows the transducer instead of the display unit to be connected directly to the PC. The USB adaptor, jack cable and software together enable you •...
Preparing and mounting the electronic workshop torque tester General fitting instructions When selecting the best place for mounting the unit, take all relevant legal provisions and safety regulations into consideration. • The user must be able to take up a comfortable, firm stance. •...
Mounting the electronic workshop torque tester CA U T IO N Risk of injury due to incorrect fastening of the electronic workshop tester. Make sure that the electronic workshop → tester is fastened sufficiently. Fasten the electronic workshop tester → only at the holes intended for this.
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AT TE N T IO N ! Decalibration due to incorrect fastening of the electronic workshop tester. Fasten the electronic workshop tester only at the holes → intended for this. Using the holes intended for the purpose, screw the → electronic workshop torque tester to the worktop firmly enough to ensure that it will take the loads applied to it when testing torque values (refer to the illustrations on the...
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Lock every Allen-head screw using a washer and nut from the attachment set supplied. Vertical attachment of the electronic workshop torque tester...
Attaching the display unit The display unit can be attached to the aluminium mounting block using a holder. If you prefer not to attach the display unit directly to the mounting block, it can be held in the stand. This might be necessary if, for example, the indicating torque wrench is a long-handled one, see „Fixing the display unit on the stand”...
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Clamp the holder with the clamping screw. To do so, turn the → clamping screw clockwise as far as it will go. Clamping the holder...
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Aligning the display unit You can • turn the display unit in its holder and • tilt it to the front, • rear or • to the sides. The display unit can be adjusted to meet your personal → preferences. Adjusting the display unit...
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Clamping the holder Prevent the holder from being inadvertently adjusted. To do → so, turn the clamping screw as far as it will go. Preventing the holder from being inadvertently adjusted...
Fixing the display unit on the stand Release the clamping screw on the stand. → Insert the pin of the display unit, which is now attached to the → holder, into the stand (1) as far as it will go. Attaching the display unit to the stand.
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Example for fitting the display unit on the stand for use with indicating torque wrenches with long handles:...
Inserting and removing transducers The QuickRelease safety lock enables you to safely lock the transducer in place and release it easily when required. Inserting the transducer Hold the transducer firmly with both hands. → Position the transducer vertically in the round hole in the →...
Releasing the transducer Press the two green release buttons. → The transducer will be automatically ejected by about 1 cm. Extract the transducer vertically from the mounting block. → Releasing and removing the transducer...
Connecting the display unit AT TE N T IO N ! Damage to the electronic display unit due to use of an incorrect plug-in power supply unit. Use the enclosed plug-in power supply unit exclusively. → Connect up the mains cable of the mains adapter to the →...
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Next, connect the spiral or jack cable to the transducer using → the 3.5 mm jack. The spiral or jack cable can be connected up either way round. Connecting the spiral or jack cable to the transducer...
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Connect the other end to one of the five remaining sockets → on the left-hand outer side of the display unit. Connecting the spiral or jack cable to the display unit The display unit can be connected to up to five transducers simultaneously.
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Make sure that the specifications on the plug-in power → supply unit model plate correspond to those of the mains connection. Contact STAHLWILLE if the power supply unit → specifications do not correspond to the mains connection specifications. Next, connect the mains adaptor to a mains outlet.
Connecting a USB-adapter (optional) • Plug a jack from the jack cable into the USB adaptor and the other into the measurement sensor. • To ensure a secure connection to the PC, the corresponding USB driver software must be installed before connecting the USB adaptor to the PC.
Switching the display unit on and off If you wish to turn on the display unit, press the ON button → and keep it pressed until the display lights up. Turning on the display unit...
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To turn off the display unit, press the OFF button. → Switching off the display unit...
Testing a torque wrench or torque screwdriver ATT E N T IO N ! Damage due to incorrect handling of the torque wrench to be tested. Observe and comply with the information in the torque → wrench operating instructions. In particular, observe and comply with the safety →...
Inserting the torque wrench or torque screwdriver AT TE N T IO N ! Incorrect measurement results due to simultaneous use of several square adapters. Do not use more than one square adapter → simultaneously. Use only the enclosed square adapters. →...
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If you wish to use a square drive adapter, attach it first to the → transducer. Attaching the square drive adapter to the transducer...
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Connect a torque wrench, torque screwdriver or another tool → to be tested to the transducer. Inserting the torque wrench in the transducer...
Reading off measurements via the display unit The display unit can display three different modes: • Track: for general torquing jobs • Peak Hold: for indicating torque wrenches or torque screwdrivers • First Peak: for clicking torque wrenches or torque screwdrivers In addition, the display unit has a "Units"...
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Apply slow, even force to the torque wrench or torque → screwdriver in the desired direction after it is attached and observe the reading shown on the display unit. Applying force to the torque wrench The "TRACK" mode displays the torque currently applied to the tool.
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If you wish to set the current torque as the zero setting, → press the "Tare" key. Pressing the "Tare" key The currently displayed torque is set to 0 Nm. Only press this key when the transducer is at rest, ie there is no load on it as otherwise the readings will be inaccurate.
Testing indicating torque wrenches or torque screwdrivers Press the "Mode" key until the display shows "PEAK HOLD". → "Peak Hold" mode...
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Apply force uniformly to the torque wrench or torque → screwdriver in the desired direction and observe the reading on the display unit. Applying force to the torque wrench Compare the readings to see if that on the torque wrench or →...
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To delete the peak reading, press "Clear". → Pressing the "Clear" button If you press this key during testing, the currently applied torque immediately becomes the new peak. If you notice any deviation between the values, adjust the torque wrench or torque screwdriver as explained in the appropriate Operating Instructions and then test the torque wrench or torque screwdriver again.
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WA R NI NG Accidents possible due to incorrect torque with incorrectly adjusted torque wrenches. Do not use torque wrenches with incorrect → values. Adjust the torque wrench properly prior to → further use. Testing a clicking torque wrench or torque screwdriver Press the "Mode"...
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Apply force slowly and uniformly to the tool in the desired → direction and compare the reading on the display of the display unit with the value preset on the torque wrench or torque screwdriver. Applying force to the torque wrench The number shown in large figures is the First Peak reading.
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The torque wrench or torque screwdriver should trip at exactly the preset torque value. To delete the First Peak and largest torque to date, press → "Clear". In the "First Peak" mode, it is not necessary to press the "Clear"...
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Converting units of measure ("Unit" button) Every time the "Unit" button is pressed the units of measurement shown on the display change and the readings are automatically converted. The first time the "Unit" button is pressed, the units will change from "Nm" to the other units of measurement like "cNm", "ft.lb"...
Maintenance and cleaning The electronic workshop torque tester and its display unit are maintenance free. However, please note the instructions on calibrating and adjusting. Clean the electronic workshop torque tester and display unit → using a soft, dry cloth only. ATT E N T IO N ! Malfunctions or damage to the electronic workshop tester due to incorrect cleaning.
Germany this is, eg a DKD approved laboratory. If you wish to make use of STAHLWILLE's calibration service, please send us only the transducer. You can find further details of STAHLWILLE's calibration service on the world-wide web: www.stahlwille.de Electronic workshop torque testers for torque wrenches or torque screwdrivers are precision testing instruments.
Disposal Do not under any circumstances throw your electronic workshop torque tester and its accessories away with normal household refuse. Your local town or city council will offer environmentally friendly disposal options for such equipment. Adhere to local regulations regarding Directive 2002/96/EG (WEEE). •...
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