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TEKNEKA 450 - User Manual : Bluetooth symbol : Low battery indicate MAX: Maximum hold MIN: Minimum hold UNDER : Under range OVER: over range dBA, dBC: A-weighting, C-weighting AUTO: Auto range selection HOLD: Data hold function Measurement data: Middle of the display...
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TEKNEKA 450 - User Manual Switch “ON”: Short press button to turn “ON” the device with the system Switch “OFF”: Short press power button to Turn “OFF” Power “ON/OFF” Auto-Power OFF RANGE /(A/C)button: Short press to switch range gear; Long press to switch...
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TEKNEKA 450 - User Manual Measuring Range Accuracy Frequency range Display Resolution Frequency weighting Microphone Measuring Rate 2 times per second Datalogging Via Bluetooth Logging interval Log Duration Memory Range Battery Type Operating temperature Dimension Weight...
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