General-tools-and-instruments DSM8930 Manual de usuario descargar pdf (Pagina 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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