5
Specifications
Measurement Range:
30 to 130 dB A, 30 to 130 dB C
Accuracy:
+/- 1.5 dB (reference sound pressure standard,
94 dB @ 1 kHz)
Frequency Response:
31.5 Hz to 8.5 kHz
Resolution:
0.1 dB
Measuring Level Ranges:
30 to 80, 50 to 100, 60 to 110, 80 to 130, 30 to 130
Dynamic Range:
50 dB/100 dB
Overload Indication:
OVER / UNDER
Frequency Weighting:
A and C
Digital Display:
4 Digits
Analog Bar Graph:
1 dB / bar (2 dB/bar for 30 to 130 range)
Sampling Rate:
0.05 seconds
AC Signal Output
:
4 VRMS @ full bar graph, output impedance
600 ohms (3.5 mm connector)
PWM Signal Output:
Duty = 0.01 x dB Value x 100%
(3.5 mm connector)
Cycle
3.3
Calendar Accuracy:
+/- 30 seconds per day
Data Storage Quantity:
4700 Points
Auto Power Off:
10 minutes of no activity
Microphone Type:
1/2- inch Condenser
Power Supply:
6V external or 4 AA alkaline battery
Dimensions:
2-3/4” W x 9-3/8” H x 1-3/8” D
Product Weight:
11 ounces (with batteries)
Battery Life:
10 hours continuous use (alkaline batteries)
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 7
