8
PB
WARRANTY
Sper Scientific warrants this product against defects in materials and
workmanship for a period of
five (5) 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 probes, batteries, battery leakage, or damage resulting
from accident, tampering, misuse, or abuse of the product. Opening
the meter to expose its electronics will break the waterproof seal and
void the warranty. To obtain warranty service, ship the unit postage
prepaid to:
SPER SCIENTIFIC LTD.
8281 E. Evans Rd., Suite #103
Scottsdale, AZ 85260
(480) 948-4448
The defective unit must be accompanied by a description of the
problem and your return address. Register your product online at
www.sperwarranty.com within 10 days of purchase.
Revised 8/17/2017
5. FREQUENCY WEIGHTING (A and C) CHARACTERISTICS:
Meets IEC 61672 class 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
