Extech SL250W Sound Meter Simulator

Extech SL250WSound Meter Simulator

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Meter buttons

Press the keys on the 3D meter or here. Hold a key for a long press: hold ⏻ to switch on, hold H for the backlight.

Keyboard: hold P power, F fast/slow, M max/min, H hold. Hold P+H for APO.

Choose what the meter is listening to.

FurtherCloser

Sound level at the microphone–

Hold ⏻ for one second to switch on.
Pick Fireworks and compare FAST (125 ms) with SLOW (1 s).
Press MAX/MIN to step through the highest and lowest readings.
Press H to freeze the reading. Hold H to turn on the backlight.
Hold ⏻ again while the meter is on to switch Bluetooth on and see the ExView app.
Turn the meter around to see the tripod mount and battery cover.

Simulation for training and demonstration. Sound levels are simulated. Extech is a brand of FLIR Systems, Inc.