User Manual

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5. FREQUENCY WEIGHTING (A and C) CHARACTERISTICS:
Meets IEC 651 type 2, calibrating input signal on 94 dB
(31.5Hz to 8kHz).
Frequency dB A dB C Tolerance dB
31.5 -39.4 -3 ± 3
63 -26.2 -0.8 ± 2
125 -16.1 -0.2 ± 1.5
250 -8.6 0 ± 1.5
500 -3.2 0 ± 1.5
1k 0 0 ± 1.5
2k 1.2 -0.2 ± 2
4k 1.0 -0.8 ± 3
8k -1.1 -3 ± 5
6. FIVE YEAR WARRANTY
Sper Scientific warrants this product against defects in materials and
workmanship for a period of five years from the date of purchase, and
agrees to repair or replace any defective unit without charge. If your
model has since been discontinued, an equivalent Sper Scientific
product will be substituted if available. This warranty does not cover
damage resulting from accident, misuse, or abuse of the product. In
order to obtain warranty service, ship the unit postage prepaid to:
SPER SCIENTIFIC LTD.
7720 East Redfield, Suite 7, Scottsdale, Arizona 85260
[phone], www.sperscientific.com, [e-mail]
Please Note: The defective unit must be accompanied by a description
of the problem and your return address. Register online or return your
warranty card within ten (10) days of purchase.
Rev. 01/05/2007
Check our website for updates.