Display: 3½ digits, figures height is 0.7 in / 18 mm. Measurement range: 30…130 dB. Resolution: 0.1 dB. Frequency range: 31.5…8000 Hz. Capacitor type microphone with external diameter: 0.5 in / 12.7 mm. Integration time: 200 ms, 500 ms. Output signal: AC voltage of 0.5 Vrms at the subranges; DC voltage: 0.3…1.3 V (10 mV/dB). Consumption current: 6 mA. Dimensions: 10 x 2.8 x 1.1 in / 255 x 70 x 28 mm. Weight: 9.7 oz / 275 g.