Just for fun

V 6700 B sound level meter, in your browser Beta

Measure the noise of a quiet room, an office, a factory floor or an angle grinder. Or switch on your own microphone and shout, clap and whistle. Try Fast and Slow response, Max hold and the range switch.

Vartech V 6700 B product page Read the V 6700 B guide Back to the playground
Beta, just for fun. This is a playful beta, for illustration only. It is not a training tool and not a substitute for the real instrument. The actual Vartech V 6700 B can differ in appearance, display, button behaviour, ranges, timings and readings. Everything here is simulated, so do not use it to judge a real measurement. Always follow the instruction manual and your site safety procedure.
FAST SLOW MAX OVER UNDER dBA POWER RANGE FAST/SLOW MAX VARTECH Digital Sound Level Meter V 6700 B 30-130 dBA · A-weighting Beta · just for fun

Press the round buttons. Keys: P power, R range, F fast/slow, M max hold.

1What is the meter listening to?

2What the meter is telling you

Last 30 seconds, 30 to 130 dB. Dashed line: 85 dB, a commonly used 8-hour action level.

3Simulator settings

Backlight on display
Reset everything

How a sound level meter works

  • Decibels: the scale is logarithmic. Every 3 dB is double the sound energy, and about 10 dB sounds roughly twice as loud. Two machines at 85 dB together make 88 dB, not 170.
  • A-weighting: the ear is less sensitive to low and very high frequencies, so the meter filters the sound to match. That is the "A" in dBA. The simulator applies a real A-weighting filter to your microphone.
  • Fast and Slow: Fast averages over about a quarter of a second and follows changes quickly. Slow averages over a second and gives a steadier number. Fast suits speech and bangs, Slow suits steady machine noise.
  • Max hold: keeps the highest reading since you switched it on, so you can catch the loudest moment of a shout or a press stroke.
  • Range and warnings: the meter covers 30 to 130 dBA, in ranges of about 50 dB. If the sound is above the selected range it shows OVER, and if it is below, UNDER. Change the range to bring the reading back.
  • Where you stand matters: hold the meter at arm's length, away from your body, and point the microphone at the source. Walls and your own body reflect sound.

This is a playful beta simulation. The scenes are made-up levels. The ranges (30-80, 50-100 and 80-130 dB), response times and display of the real V 6700 B are approximated, and the instrument's 1/2-inch condenser microphone is very different from a phone microphone. Do not use this to assess real noise exposure, and follow your site's noise rules and the instruction manual.

Want the real thing on your bench?

The Vartech V 6700 B is supplied by CIE Instruments, authorised distributor for Vartech in India.

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