Warranty, Maintenance – Martel Electronics BetaGauge 321A User Manual
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14. Warranty
Martel Electronics Corporation warrants all products against material defects and
workmanship for a period of twelve (12) months after the date of shipment. Problems or
defects that arise from misuse or abuse of the instrument are not covered. If any product
is to be returned, a “Return Material Authorization” form can be obtained from our website
www.martelcorp.com under customer service. You can also call 1-800-821-0023 to have a
form faxed. Martel will not be responsible for damage as a result of poor return
packaging. Out of warranty repairs and recalibration will be subject to specific charges.
Under no circumstances will Martel Electronics be liable for any device or circumstance
beyond the value of the product.
15. Maintenance
15.1 Replacing Batteries
Replace batteries as soon as the battery indicator turns on to avoid false measurements.
If the batteries discharge too deeply the 311A/321A will automatically shut down to avoid
battery leakage.
Note: Use only AA size alkaline batteries or optional rechargeable battery pack.
15.2 Cleaning the Unit
Warning
To avoid personal injury or damage to the calibrator, use only the specified replacement
parts and do not allow water into the case.
Caution
To avoid damaging the plastic lens and case, do not use solvents or abrasive cleansers.
Clean the calibrator with a soft cloth dampened with water or water and mild soap.
15.3 Service Center Calibration or Repair
Only qualified service personnel should perform calibration, repairs, or servicing not
covered in this manual. If the calibrator fails, check the batteries first, and replace them if
needed.
Verify that the calibrator is being operated as explained in this manual. If the calibrator is
faulty, call for an RMA number or go to www.martelcorp.com to download an RMA form
to return the unit. Be sure to pack the calibrator securely, using the original shipping
container if it is available.
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