TÜRKİYE / İSTANBUL
Features - Manual or adjustable automatic data storage - Illuminated LCD display - Internal memory and SD card memory - RS-232 and USB interface - Data hold, minimum / maximum, date / time auto power off and audible alarm - Portable (Portable) Technical Information Type SPL and dose Measuring Range 30...130 dB (SPL) / 70...130 dB Dose Ratio Levels 80, 84, 85, 90 dB Dose Change Ratios 3, 4, 5 or 6 dB Sensitivity (23 ± 5 °C) , < 94 dB): ± 3.5 dB (31.5 Hz) ± 2.5 dB (63 Hz) ± 2.0 dB (125 Hz) ± 1.9 dB (250 Hz) ± 1.9 dB (500 Hz) ± 1.4 dB (1000 Hz) ± 2.6 dB (2000 Hz) ± 3.6 dB (4000 Hz) ± 5.6 dB (8000 Hz) Resolution 0.1 dB Frequency Range 31.5...8000 Hz Frequency Weight A and C Time Evaluation 125 ms (fast) / 1 s ( slow) Data Logging Manual or adjustable automatic
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