3M 48N 用户手册
31 Appendix D: Quest Service
Contacting Quest Technologies
Customer service
Contacting 3M Instrumentation
Should your 3M equipment need to be returned for repair or for recalibration, please
contact the service department at the following number or access the online form via
the website. For technical issues, please contact Technical Support.
the website. For technical issues, please contact Technical Support.
Service Department and Technical Support: 1 (800) 245-0779.
Fax: 1 (262) 567-4047. Office hours are 8:00 a.m. to 5:00 p.m. United States Central.
E-mail: 3Mdetectionmail@mmm.com
E-mail: 3Mdetectionmail@mmm.com
Website: www.3M.com/detection
International customers
Contact your local, factory-authorized distributor from whom the product was
purchased. You can obtain the name and contact information of your local factory-
authorized distributor from Quest by using the e-mail, telephone, or fax information
authorized distributor from Quest by using the e-mail, telephone, or fax information
given under “Contacting 3M” above.
Calibration
The QUESTemp⁰ 48N and 3M field calibrator devices should be examined regularly by
the factory. An annual calibration is recommended. (Please see Service Department
the factory. An annual calibration is recommended. (Please see Service Department
above.)
Warranty
3M warrants our instruments to be free from defects in materials and workmanship
for one year under normal conditions of use and service. For United States
customers, we will replace or repair (our option) defective instruments at no charge,
customers, we will replace or repair (our option) defective instruments at no charge,
excluding batteries, abuse, misuse, alterations, physical damage, or instruments
previously repaired by other than 3M. Microphones, sensors, printers, and chart
previously repaired by other than 3M. Microphones, sensors, printers, and chart
recorders may have shorter or longer warranty periods. This warranty states our total
obligation in place of any other warranties expressed or implied. Our warranty does
obligation in place of any other warranties expressed or implied. Our warranty does
not include any liability or obligation directly resulting from any defective instrument
or product or any associated damages, injuries, or property loss, including loss of use
or product or any associated damages, injuries, or property loss, including loss of use
or measurement data.
For warranty outside the United States, a minimum of one year warranty applies
For warranty outside the United States, a minimum of one year warranty applies
subject to the same limitation and exceptions as above with service provided or
arranged through the authorized 3M distributor or our 3M European Service
arranged through the authorized 3M distributor or our 3M European Service
Laboratory. Foreign purchasers should contact the local 3M authorized sales agent
for detail.
for detail.