Range: 5-25Nm.;Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism.;Scale...Range: 5-25Nm.;Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism.;Scales graduated in both Nm and lb.ft.;Calibration tolerance in accordance with BS EN ISO 6789-1:2017.;Wrenches are individually tested to standards with 4% accuracy and each wrench is issued with an individually numbered test certificate.
This guide is for anyone using the Sealey Torque Wrench Micrometer Style - 1/4" Drive - 5-25Nm (STW901). It helps users accurately apply torque to fasteners, ensuring proper tightness and preventing damage. Keep in mind that regular calibration is required to maintain accuracy.
All features
Model Part Number
STW901
Brand
Sealey
Extended Product Information
FAQs
How do I set the torque value?
Use the adjustment mechanism on the wrench to set the desired torque value. Refer to the user manual for specific instructions.
What does the click indicate?
The click or other indication means the set torque value has been reached.
How often should I calibrate the torque wrench?
It is recommended to calibrate the torque wrench annually, or more frequently if used heavily.
Can I use this wrench to loosen fasteners?
No, this torque wrench is designed for tightening only. Using it to loosen fasteners can damage the mechanism.
What should I do if the wrench is dropped?
If the wrench is dropped, it is recommended to have it checked and calibrated to ensure its accuracy has not been affected.
Where can I get the wrench calibrated?
You can have the wrench calibrated by a qualified technician or at a calibration service center.
What is the accuracy of this torque wrench?
The wrench is tested to standards with 4% accuracy.
What units of measurement are displayed on the scale?
The scale displays both Newton meters (Nm) and pound-feet (lb.ft).
Troubleshooting
Wrench does not click or indicate torque.
Ensure the correct torque setting has been selected and that the wrench is being applied correctly. If the issue persists, the wrench may need to be calibrated or repaired.
Inaccurate torque readings.
Check the calibration of the wrench. If it's out of calibration, get it recalibrated by a qualified technician.
Pros and Cons
Pros
Precise torque application for accurate fastening.
Dual scale (Nm and lb.ft) for versatility.
Smooth ratchet mechanism for ease of use.
Individually tested and certified for accuracy.
Durable Chrome Vanadium steel construction.
Cons
Requires periodic calibration to maintain accuracy.
Limited torque range may not suit all applications.
Smaller drive size may require adapters for larger sockets.
Can be susceptible to damage if used improperly.
Setup, Compatibility & Care
Setup:
Select the correct socket size for the fastener.
Set the desired torque value using the adjustment mechanism on the wrench.
Attach the socket to the fastener.
Apply force smoothly until the wrench clicks or gives an indication of reaching the set torque value.
Compatibility:
Compatible with standard 1/4" drive sockets.
Suitable for use with various fasteners within the specified torque range.