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 Audio-noise meter this is HT154 portable digital instrument for the sound-level measurement, acoustics or for determining low-frequency noise before the regime FAST (rapidly) or SLOW (slowly). Instrument also fixes the maximum and minimum values of sound pressure. Instrument is delivered with the portable calibrator for the control of the accuracy of measurements.
Basic functions:
|
Pressure level of the sound |
|
Range, dB |
Dynamic. the range |
It is permitted. |
Accuracy |
Frequency |
|
30- 80
50- 100
80- 130 |
50 dB
|
0.1 dB
|
±1.5dB
|
31.5 Hz -8 kHz
|
|
Response |
|
Function |
Time |
|
FAST
SLOW |
125 ms
1 it flogged |
|
Analog output |
|
Output |
Output voltage |
Output impedance |
|
AC
DC |
1 before, RMS on the selected range
10 mV/dB |
50 W
100 W |
Delivery set:
- protective shield (against the wind)
- portable calibrator HT 150
- screwdriver for the calibration
- joint for [AS]/DC of the analog output
- the battery
- bag for the transfer, the management of the user
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Audio-noise meter HT154 - noise meter |
The main thing is
