Calibration; Technical Data - SKF TMSP 1 Instrucciones De Uso

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3.3 Calibration

Using a standard Acoustic Calibrator (94dB, 1KHz Sine wave)
• Make the following switch settings:
- Display: dBA.
- Time weighting: FAST.
- Measurement mode: MAX/MIN Mode function disable.
- Level range: 50 to 100 dB
• Insert the microphone housing carefully into the insertion hole of
the calibrator.
• Turn on the switch of calibrator and adjust the CAL potentiometer
of the unit. The level display will indicate the desired level. All
products are well calibrated before shipment. Recommended
Recalibration cycle: 1 year.

4. Technical data

Standard applied
Frequency range
Measuring level
range
Frequency weighting A/C
Microphone
Display
Digital display
Analog display
Time weighting
Level ranges
Accuracy
Dynamic range
SKF TMSP 1
Acoustic calibrator
Screwdriver
IEC651 Type2, ANSI S1.4 Type2
31,5 Hz ~ 8 KHz
30 ~ 130 dB
/ inch electret condenser microphone
1
2
LCD
4 digits
Resolution: 0,1 dB
Display update 0,5 s.
50 segment bargraph
Resolution 1 dB
Display update 100 ms
FAST (125 ms), SLOW (1 s)
Lo: 30 – 80 dB / Med: 50 – 100 dB
Hi: 80 – 130 dB / Auto: 30 – 130 dB
± 1,5 dB
(under reference conditions @ 94 dB, 1 KHz)
50 dB
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