6.8.2 Monthly Care
Verify unit calibration by performing operational checks using known
value sources. If the need for recalibration is indicated, contact the
factory.
6.8.3 Semiannual or Annual Care
It is recommended that the radiometer be returned to the factory for
a complete overall check and recalibration. Return long wave units
(365nm) at least every 12 months. All others should be returned at
least every 6 months. Contact the Customer Services Department for
shipping instructions before returning the unit. In the U.S. and
Canada, call 1-800-274-8888.
6.8.4 Storage
When the radiometer is not in use, store it in a location free from tem-
perature extremes, dust or corrosive fumes, and vibration or
mechanical shock.
6.9 TROUBLESHOOTING
6.9.1 If the radiometer does not yield satisfactory results, follow this
procedure before attempting to service the unit:
a. Review and comply with the Irradiance Measurement Procedure,
listed in paragraph 4.2.
b. Check that the irradiance intensity range being measured is with-
in the rating of the unit.
c. Be sure that the batteries are properly installed (refer to paragraph
6.5) and that they are charged.
d. Ensure that the environment in which the radiometer is being used
is within the unit specifications.
e. Inspect the sensor head and readout unit for visible damage. If
any damage is observed, the radiometer should be returned to
the factory. Be sure to contact the Customer Service Department
at Spectronics Corporation for shipping instructions before return-
ing the radiometer. In the U.S. and Canada, call toll-free 1-800-274-
8888. A quote will be furnished upon receipt and evaluation of the
unit. Out-of-warranty service work will not be performed without
customer approval.
NOTE
The calibration potentiometer is located inside the radiometer. Do
not attempt to recalibrate this unit. Spectronics Corporation does
not guarantee the readings if the meter has been calibrated by any
other facility.
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