General Tools and Instruments DSM8930 - Manual (Page 9)

SPECIFICATIONS
Measurement Range 40 to 130 dB over four ranges
(40 to 70 dB, 60 to 90 dB,
80 to 110 dB, 100 to 130 dB)
Measurement Accuracy ±2 dB
Display Size/Type 4-digit (4000 count) LCD
Digital Display Resolution 0.1 dB
Digital Display Refresh Period 160 milliseconds
Analog Bar Graph Resolution 1 dB
Analog Bar Graph 40 milliseconds
Refresh Period
Frequency Range 100 Hz to 8.3 kHz
Time Weighting Time Constant 125 milliseconds
Microphone Diameter/Type 0.5 in. (12.7mm)
Electret condenser
Battery Life 30 hours (typical)
Analog Output 0 to 0.707VAC
Operating Temperature 32° to 122°F (0° to 50°C)
@<80% R.H.
Storage Temperature -4° to 122°F (-20° to 50°C)
@<90% R.H.
Dimensions 8.1 x 2.4 x 1.6 in.
(210 x 61 x 40mm)
Weight 5.2 oz. (147g),
including battery
Power Source (1) “9V” battery
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